Summary Abstract Index, By Authors

All abstracts below have been submitted to the site and are available as hyperlinks. Following the title is a code letter indicating the section to which the abstract was submitted. (The following hyperlink connects to the section's author index.)

List of Abstracts received so far:

Jump to: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

  1. ADAMS, CHRISTOPHER A., JERRY M. BASKIN, AND CAROL C. BASKIN.* - Seed dormancy in the Appalachian endemic Aristolochia macrophylla Lam. (Aristolochiaceae). [E]
  2. AHLENSLAGER, KATHLEEN E. - Conservation of rare plants on public lands. [O-symposium]
  3. ALBACH, DIRK C.* AND MARK W. CHASE. - Phylogeny of Veroniceae based on ITS-sequence-analysis - A comparison with morphology, biochemistry, and chromosome number. [S]
  4. ALEXANDER, JASON A.*, AARON LISTON, AND STEVE POPOVICH. - The conservation genetics of Astragalus oniciformis. [S]
  5. ALICE, LAWRENCE A.* AND DUSTIN K. CONOVER. - Systematics of Rubus (Rosoideae; Rosaceae) based on nuclear ribosomal ITS and chloroplast trnK intron DNA sequences. [S]
  6. ALICE, LAWRENCE A.*, GERASSIMO G. BORNEO, AND KHIDIR W. HILU. - Systematics of Chloris (Chloridoideae; Poaceae) and related genera: evidence from nuclear ITS and chloroplast matK sequences. [S]
  7. ALLAN, GERARD J.*, ELIZABETH A. ZIMMER, AND WARREN W. WAGNER. - Biogeographic relationships between western North American and Mediterranean floras: insights from molecular phylogenetic studies of tribe Loteae (Faboideae: Fabaceae). [S]
  8. ALLEN, GERALDINE A.*, DOUGLAS E. SOLTIS, AND PAMELA S. SOLTIS. - Phylogeny, biogeography and character evolution of Erythronium (Liliaceae). [S]
  9. ALLPHIN, LOREEN*, TATE TISCHNER, KEVIN CHASE †, JIM ORF ‡, FRED ADLER †, AND KARL G. LARK †. - Genetics of seed abortion and reproductive traits in soybean, Glycine max (L.) Merr., I. [G]
  10. ALOKAM, SUNEETHA*, CHENDANDA C CHINNAPPA, AND DAVID M REID. - Red/Far red light-mediated shade avoidance stem elongation response and anthocyanin accumulation in alpine and prairie ecotypes of Stellaria longipes . [P]
  11. ANDERSON, GREGORY J. - Professional societies and promotion of the biological sciences: Will this be the "Century of Biology?". [S-symposium]
  12. ANDREASEN, KATARINA* AND BRUCE G. BALDWIN. - Phylogeny, unequal evolutionary rates, and biogeography in the western North American genus Sidalcea (Malvaceae). [S]
  13. ANTOINE, MARIE E.* AND WILLIAM E. WINNER. - Analysis of nitrogen, carbon, and water use by Lobaria oregana, a cephalodiate lichen at the Wind River Canopy Crane site. [L] [Poster]
  14. ARRIAGA, MIRTA O.* AND MARY E. BARKWORTH. - Leaf anatomy in Nassella and other South American Stipoid Grasses. [D] [Poster]
  15. ASMUSSEN, CONNY B.*, MARK W. CHASE, AND MICHAEL ZANIS. - Nuclear 26S rDNA and systematics of monocotyledons. [S]
  16. AXSMITH, BRIAN J.*, MICHAEL KRINGS, AND THOMAS N. TAYLOR. - A filmy fern from the Upper Triassic of North Carolina. [F]
  19. BAINBRIDGE, TROY*, KEVIN CURRAN, SARAH SHAW, AND DARLENE SOUTHWORTH. - Antibodies to Brassica sperm recognize diverse cell types and gametes. [D] [Poster]
  20. BAIRD, GARY I. - A phylogenetic assessment of Chrysothamnus Nutt. (Asteraceae, Astereae). [S] [Poster]
  21. BALDWIN, BRUCE G.* AND BRIDGET L. WESSA. - Molecular phylogenetic evidence for major lineages of helenioid Heliantheae (Compositae). [S]
  22. BANASIAK, ALICJA, S.* AND BEATA ZAGóRSKA-MAREK. - Torreya case indicates autonomy of shoot apical meristem generating phyllotaxy. [D]
  23. BARBER, JANET C.*, JAVIER FRANCISCO-ORTEGA, ARNOLDO SANTOS-GUERRA, KATHRYN TURNER, AND ROBERT K. JANSEN. - Origin of Macaronesian Sideritis L. (Lamiaceae) inferred from sequences of two non-coding regions of chloroplast DNA. [S]
  24. BARBER1, JANET C.*, JAVIER FRANCISCO-ORTEGA2, ARNOLDO SANTOS-GUERRA3, AND ROBERT K. JANSEN1. - Evolution of Sideritis L. (Lamiaceae) in Macaronesia based on an analysis of chloroplast and nuclear datasets. [S]
  25. BARKMAN, TODD J., JOEL R. MCNEAL, GORDON CHENERY, AND CLAUDE W. DEPAMPHILIS.* - Evolutionary genomic analyses converge on basal angiosperm phylogeny. [S]
  26. BARKMAN, TODD J., JOEL R. MCNEAL, NELSON D. YOUNG, AND CLAUDE W. DEPAMPHILIS.* - Multiple origins of parasitism within angiosperms. [S]
  27. BARKSDALE, LISA. - Utilization of amateurs in the development of the Stonerose Museum fossil collection. [F] [Poster]
  28. BARKWORTH, MARY E.*, KATHLEEN M. CAPELS, AND LINDA A. VOROBIK,. - The Manual of Grasses for North America: Progress Report. [S] [Poster]
  29. BASKIN, CAROL C. - New Frontiers in Botany. [Z-symposium]
  30. BASKIN, CAROL C.*, PER MILBERG, LARS ANDERSSON, AND JERRY M. BASKIN. - Germination studies on three dwarf shrubs (Vaccinium, Ericaceae) of Northern Hemisphere coniferous forests. [E]
  31. BASKIN, JERRY M.* AND CAROL C. BASKIN. - Seed dormancy in relation to endocarp anatomy in Anacardiaceae. [E]
  32. BATES, PAUL L.*, JAMES R. ESTES, AND LINDA E. WATSON. - Phylogenetic relationships in the Artemisia ludoviciana complex (Anthemidae/Asteraceae). [S]
  33. BAYER, RANDALL J.*, DAVID G. GREBER, AND NEIL H. BAGNALL. - A phylogenetic reconstruction of Australian Gnaphalieae (Asteraceae) based on four chloroplast and nuclear sequences. [S]
  34. BEARDSLEY, PAUL M.* AND RICHARD G. OLMSTEAD. - A phylogenetic analysis of the genus Mimulus and tribe Mimulueae (Lamiales). [S]
  35. BEILSTEIN, MARK* AND IHSAN AL-SHEHBAZ. - Toward a Phylogeny of the Brassicaceae (Cruciferae). [S]
  36. BELL, CHARLES D.* AND MICHAEL J. DONOGHUE. - Dipsacales phylogeny based on chloroplast DNA sequences. [S] [Poster]
  37. BELL, NEIL E.* AND ANGELA E. NEWTON. - Preliminary studies of characters associated with pleurocarpy in the Rhizogoniaceae (Bryales). [L]
  38. BELL1, TIMOTHY J.*, MARLIN BOWLES2, JENNY MCBRIDE2, AND KAYRI HAVENS3. - Viability analysis of a restored population of the federal threatened Pitcher's Thistle (Cirsium pitcheri) in Illinois. [E] [Poster]
  39. BENNETT, JAMES P. - Algal layer thickness in Parmelia sulcata as an environmental indicator. [L]
  40. BERGGREN1, SCOTT THOMAS*, SANGTAE LEE2, AND JUN WEN3. - Phylogenetic studies in the Amygdaloideae (Rosaceae) using ITS and ndhF sequences. [S]
  41. BERRY, PAUL E.*, AUSTIN R. MAST, WILLIAM H. HAHN, AND KENNETH J. SYTSMA. - Evaluation of sectional delimitations in Fuchsia (Onagraceae) using chloroplast and nuclear DNA sequence data. [S]
  42. BERRYMAN, SHANTI D.* AND BRUCE MCCUNE. - Differences in epiphytic lichen communities and biomass among forest stand types in the Blue River watershed of western Oregon. [L]
  43. BERTIN, ROBERT I.* AND GREGORY M. GWISC. - Sex expression and gynomonoecy in Solidago (Asteraceae). [E] [Poster]
  44. BIDARTONDO, MARTIN I.* AND THOMAS D. BRUNS. - Patterns of extreme specificity in the monotropoid mycorrhizal symbiosis. [E]
  45. BISHOP, JOHN, G. AND WILLIAM F. FAGAN.* - Severe insect herbivory concentrated in low density regions of lupines colonizing Mount St. Helens. [E]
  46. BLARER, ALBERT*, DAN NICKRENT, HANS BäNZIGER, PETER K. ENDRESS, AND YIN-LONG QIU. - Phylogentic relationsships among genera of the parasitic familiy Rafflesiaceae s.l. based on nuclear ITS and SSU rDNA, mitochondrial LSU and SSU rDNA, atp1, and matR sequences. [S] [Poster]
  47. BLATTNER, FRANK R. - Phylogenetic analysis of Hordeumbased on intron sequences of nuclear phospholipase D. [S]
  48. BLATTNER, FRANK R.*, DIRK FISCHER, NIKOLAI FRIESEN, SVEN POLLNER, AND KONRAD BACHMANN. - Molecular markers in Allium,range of application and taxonomic consequences. [S] [Poster]
  49. BOGLER, DAVID J.* AND JAVIER FRANCISCO-ORTEGA. - Phylogeny of the cycads (Cycadales) based on chloroplast DNA gene spacers and ITS rDNA sequences. [S]
  50. BOHS, LYNN. - Slicing up the Solanums: major lineages and morphological synapomorphies. [S]
  51. BONINE, MARY L.*, LLOYD R STARK, D. NICHOLAS MCLETCHIE, AND BRENT D. MISHLER. - Spatial Distribution of Desert Bryophyte Populations. [L] [Poster]
  52. BORGARDT, SANDRA J.*, KEVIN C. NIXON, AND WILLIAM L. CREPET. - A Turonian inflorescence bearing perigynous flowers of a lower rosid affinity. [F]
  53. BORSCH1, THOMAS*, KHIDIR W. HILU2, VOLKER WILDE3, CHRISTOPH NEINHUIS1, AND WILHELM BARTHLOTT1. - Phylogenetic analysis of noncoding chloroplast DNA sequences reveals Amborella as basalmost angiosperm. [S]
  54. BOTHWELL, BRYAN, CHERYL L. LOVELESS, RAYMOND R. BARD, AND MICHAEL D. SNOW.* - Monoterpene levels in Douglas-fir needles in relation to needle midge infestation. [P] [Poster]
  55. BOYD, AMY E. - Geographic variation in morphology and pollinator taxa in Macromeria viridiflora. [S]
  56. BOYD, STEVE. - Vascular flora of the Liebre Mountains, Western Transverse Ranges, California. [S] [Poster]
  57. BRATT, CHARIS C.* AND DANIEL LAHR. - A comparison of the lichens on deciduous and non-deciduous oaks. [L]
  58. BRAY JR., JAMES R. - The genus Fossombronia Raddi in North America, north of Mexico. [L]
  59. BROWN, PATRICK J.* AND DAVID A. DALTON. - Nitrogen fixation, photosynthesis, and growth by Lobaria oregana in an old-growth forest canopy. [L] [Poster]
  60. BRUNET, JOHANNE* AND AARON LISTON. - Breeding system evolution in the genus Thalictrum (meadow rue) Ranunculaceae. [E]
  61. BUCKLEY, DONALD* AND DAVID KRAMER. - Using Educational Technology to Foster Learning Centered Pedagogies. [T-symposium]
  62. BUCKLEY, DONALD. - The "Coverage Dilemma": Can we make room for learning-centered and inquiry-oriented pedagogies with educational technology? [T-symposium]
  63. BUECHLER, WALTER K. - Estimating polyploidy levels from cell size in Salix leaves. [F] [Poster]
  64. BUSCHBOM, JUTTA* AND FRANçOIS LUTZONI. - A molecular phylogenetic study of the genus Porpidia (Porpidiaceae, Ascomycota). [L] [Poster]
  65. BUSS, CRAIG C., THOMAS G. LAMMERS*, AND ROBERT R. WISE. - Systematic implications of seed coat morphology in Cyanea and allied genera of Lobelioideae (Campanulaceae). [S]
  66. BUTTERWORTH, CHARLES A. AND ROBERT S. WALLACE.* - Phylogenetic studies of the Cactus genus Mammillaria Haw. using chloroplast DNA sequence data. [S]
  67. CAMERON, KENNETH M.* AND CHENGXIN FU. - Untangling the catbriers: phylogenetic studies in Smilacaceae. [S]
  68. CAMPBELL, LISA M.*, DENNIS WM. STEVENSON, AND GUSTAVO A. ROMERO-GONZáLEZ. - Anatomical features of Aratitiyopea (Xyridaceae). [D]
  69. CANTINO, PHILIP D.* AND MICHAEL J. DONOGHUE. - Objectives and progress of the PhyloCode project. [S]
  70. CAO, TONG*, SHUILIANG GUO, AND CHIEN GAO. - Comparison of bryoflora and geograpical elements between Racomitrium and Grimmia in China. [L] [Poster]
  71. CAO, TONG*, SHUILIANG GUO, AND WEI SHA. - Distribution of Ptychomitrium muelleri (Mitt.) Jaeg. with its synonyms. [L] [Poster]
  72. CARGILL, D. CHRISTINE. - A taxonomic revision of the genus Fossombronia, suborder Fossombroniineae in Africa. [L]
  73. CARLQUIST, S. AND EDWARD L. SCHNEIDER.* - Anatomical studies of Amborella. [D]
  74. CARTER, CHRISTY TUCKER* AND IRWIN A. UNGAR. - Germination response of Spergularia marina to seasonal changes in temperature and light. [E] [Poster]
  75. CAYOUETTE1, JACQUES*, PAUL M. PETERSON2, BRUCE COULMAN3, AND YASAS FERDINANDEZ3. - Morphological, cytological, and molecular characterization of the Bromus ciliatus complex (Poaceae: Bromeae). [S]
  76. CESKA, ADOLF* AND OLDRISKA CESKA. - Isoetes minima A.A. Eaton (Isoetaceae) - an overlooked terrestrial quillwort of the Pacific Northwest. [O]
  77. CHANDERBALI, ANDRE*, HENK VAN DER WERFF, AND SUSANNE S. RENNER. - Historical biogeography of neotropical Lauraceae. [S] [Poster]
  78. CHANDLER, GREGORY T.*, RANDALL J. BAYER, AND MICHAEL D. CRISP. - Molecular revision of Gastrolobium (Fabaceae: Mirbelieae), using the matK 5' intron, external transcribed spacer and psbA-trnH intergenic spacer. [S]
  79. CHARI, JEANNIE AND PAUL WILSON.* - Factors limiting hybridization between Penstemon spectabilis and Penstemon centranthifolius. [S] [Poster]
  80. CHASE, MARK W., VINCENT SAVOLAINEN*, KEI TAKAHASHI, DOUGLAS E. SOLTIS, AND PAMELA S. SOLTIS. - Large-scale phylogeny of flowering plants 1: simple tree-building methods work better. [S]
  81. CHASSOT, PHILIPPE. - Phylogenetic position of the genus Swertia (Gentianaceae) in the subtribe Swertiinae. [S]
  82. CHATROU, LARS, VINCENT SAVOLAINEN*, MARK W. CHASE, MARTYN POWELL, AND YIN-LONG QIU. - Large-scale phylogeny of flowering plants 2: the faster the better. [S]
  83. CHEPLICK, GREGORY P.* AND HARRY DEMETRI. - Population ecology of the annual grass Triplasis purpurea along the south shore of Staten Island, New York. [E]
  84. CHEPLICK, GREGORY PAUL. - Plasticity of size and architectural traits in relation to fitness in an annual weed. [E]
  85. CHRISTIANSON, MICHAEL L.* AND STEPHEN H. DUFFY. - Salicylate-regulation of development in the moss, Funaria hygrometrica. [L]
  86. CHUMLEY, TIMOTHY W.†*, JOSÉ L. PANERO†, STERLING C. KEELEY‡, AND ROBERT K. JANSEN†. - A phylogeny of the Ecliptinae (Asteraceae: Heliantheae) as inferred from internal transcribed spacer (ITS) sequences, and the origin of Lipochaeta. [S]
  87. CLARKE, H. DAVID* AND VICKI FUNK. - Analyzing checklists and using collections data to investigate plant diversity: An examination of five florulas from northeastern South America. [S]
  88. CLAUSING, GUDRUN* AND SUSANNE S. RENNER. - Phylogenetic relationships and character evolution in Melastomataceae. [S] [Poster]
  89. CLEAVITT, NATALIE L. - Disentangling moss species limitations: the role of substrate specificity. [L]
  90. CLEVINGER, JENNIFER A. AND ELIZABETH M. HARRIS.* - Floral primordia complexes in the Engelmanniinae (Asteraceae: Heliantheae). [D]
  91. COLUMBUS, J. TRAVIS*, MICHAEL S. KINNEY, MARIA ELENA SIQUEIROS DELGADO, AND ROSA CERROS TLATILPA. - Homoplasy, polyphyly, and generic circumscription: the demise of the Boutelouinae (Gramineae: Chloridoideae). [S]
  92. CONTI, ELENA* AND SYLVIA KELSO. - Phylogenetic relationships and character evolution in Primula L.: Results from ITS sequences. [S]
  93. COOK, MARTHA E.* AND COLLEEN A. LAVIN. - Plasmodesmal ultrastructure in the green alga Coleochaete orbicularis (Charophyceae): implications for the evolution of plant plasmodesmata. [D] [Poster]
  94. COONS, JANICE M.*, HENRY R. OWEN, JENNIFER L. FRANKLIN, AND JOHN E. EBINGER. - Reproductive potential of Silvery Bladderpod (Lesquerella ludoviciana). [E]
  95. COOPER, ERIN E.* AND JEFFREY A. MYERS. - Paleoclimate of the middle Eocene John Day Gulch Flora, central Oregon. [F]
  96. COOPER, RANESSA L.* AND DAVID D. CASS. - Leaf structure of Salix species (Salicaceae) endemic to the Lake Athabasca sand dunes of northern Saskatchewan, Canada. [D]
  97. COSTELLO, ANNEMARIE* AND TIMOTHY J. MOTLEY. - Molecular systematics of Tetraplasandra, Munroidendron, and Reynoldsia sandwicensis (Araliaceae) and the evolution of superior ovaries in Tetraplasandra. [S]
  98. COX, CYMON J.* AND TERRY A. J. HEDDERSON. - Molecular phylogenetic analyses of the Bryaceae (Bryales, Musci). [L]
  99. CRANDALL-STOTLER, BARBARA. - Biology and evolution of the Fossombroniineae. [L]
  100. CRANE, PETER R. - Paleobotany: back to the future. [Z-symposium]
  101. CRANFILL, RAYMOND. - Has ecological specialization driven a fundamental phylogenetic split in the Polypodiales? [O]
  102. CRANFILL, RAYMOND. - Phylogenetic utility of plastid ribosomal protein S4 (rps4) in land plants. [S]
  103. CRAWFORD, DANIEL J.*, DONALD H. LES, ELIAS LANDOLT, REBECCA T. KIMBALL, AND JOHN D. GABEL. - A phylogenetic study of the genus Wolffiella (Lemnaceae). [S]
  104. CROSS, AUREAL T.* AND MYUNG SUK YI. - K-T boundary hiatus, Wasatch Plateau environs, Utah, U.S.A. [F]
  105. CROSS, HUGH B.* AND TIMOTHY J. MOTLEY. - Molecular systematics of Hawaiian Peperomia. [S] [Poster]
  106. CYRIL, JENITH*, GARY POWELL, AND WM. VANCE BAIRD. - Cloning and characterization of fatty acid desaturase genes from bermudagrass (Cynodon spp). [G] [Poster]
  107. DANLEY, KIMBERLY, TIFFANY ISAKSEN, NICOLE GARDNER, PAULA RANDALL-YOHO*, AND LOREEN ALLPHIN. - Spatial distribution and sexual dimorphism in dioecious Atriplex garettii Rydb. [E] [Poster]
  108. DATWYLER, SHANNON L.* AND ANDREA D. WOLFE. - Assessment of ISSR band homology by southern hybridization with implications for data analysis and microsatellite development. [G]
  109. DATWYLER, SHANNON L.* AND ANDREA D. WOLFE. - Evolutionary and biogeographic relationships among the wooly-anthered Penstemons (Scrophulariaceae). [S]
  110. DE LUNA, EFRAIN*, HIROMI TSUBOTA, DOLORES GONZALEZ, SACHIKO MAEDA, HIROYUKI AKIYAMA, TOMOTSUGU ARIKAWA, RAY TANGNEY, CYMON J. COX, ANGELA E. NEWTON, KEIKO KOSUGE, MASANOBU HIGUCHI, AND HIRONORI DEGUCHI. - An overview of phylogenetic relationships among families of pleurocarps: implications from variation in 165 rbcL sequences. [L]
  111. DENGLER, NANCY G. - Mentoring graduate students. [D-symposium]
  112. DENTON, AMY L.* AND BENJAMIN D. HALL. - Adaptive radiation of elepidote rhododendrons in the post-Miocene Himalaya: evidence from RNA polymerase III intron sequence data. [S]
  113. DENTON, RENEE GENEVIEVE* AND RAYMOND D. RATLIFF. - Ecology and Management of Trifolium Bolanderi Gray. in the Central Sierra Nevada. [E] [Poster]
  114. DEVORE, MELANIE L. - Tectonism and its impact on the biogeography of South America. [S] [Poster]
  115. DICKINSON, TIMOTHY A.*, RODGER C. EVANS, AND CHRISTOPHER S. CAMPBELL. - Phylogenetic relationships between Crataegus and Mespilus(Rosaceae subf. Maloideae) based on rDNA sequence variation. [S]
  116. DIETRICH, BILL. - Science for People Who Don't Like Science: The Perspective of a Journalist and Novelist. [S-symposium]
  117. DILCHER, DAVID L.*, ANA FLORA MANDARIM-DE-LACERDA, ALCINA M.F. BARRETO, AND MARY E.C. BERNARDES-DE-OLIVEIRA. - Selected fossils from the Santana Formation, Chapada do Araripe, Brazil. [F]
  118. DOBSON, HEIDI E. M.* AND MANFRED AYASSE. - Does larval pollen diet influence host-flower selection in solitary bees? [E]
  119. DONOGHUE, MICHAEL J. - Frontiers in phylogenetic biology. [Z-symposium]
  120. DONOGHUE, MICHAEL J.*, CHARLES D. BELL, AND JIANHUA LI. - Reconciling phytogeographic patterns around the Northern Hemisphere. [S-symposium]
  121. DONOVAN, SAM. - The Biology Student Workbench: Resources for Bioinformatics in the Classroom. [T-symposium]
  122. DOUST, ANDREW, N.L. - Floral morphology and development in Winteraceae. [D]
  123. DOUST, ANDREW, N.L.* AND ELIZABETH, A. KELLOGG. - Patterns of inflorescence development in Setaria (Panicoideae, Poaceae). [D]
  124. DOWNIE, STEPHEN R. - Tribes and clades within Apiaceae subfamily Apioideae: the contribution of molecular data. [S]
  125. DOYLE, JAMES A. - Congruence of molecular phylogenies and the Early Cretaceous angiosperm record. [F]
  126. DR. BOYLE, TATIANA G. - On the comparative analisys of the Pacific Northwest - Northeast Floras. [S]
  127. DUCKETT, JEFFREY G.*, ROBERTO LIGRONE, NEIL ANDREWS, AND KAREN SUE RENZAGLIA. - The enigma of pegged and smooth rhizoids in marchantialean hepatics; a functional explanation. [L]
  128. DUFF, R. JOEL*, MARK DAVIS, AND ANGELA BOYLE. - The fate of conserved ribosomal DNA and protein coding gene clusters during the evolution of land plant mitochondrial genomes. [G]
  129. DULBERGER, RIVKA. - Variation of stigma characters in relation to their function. [D] [Poster]
  130. DUNN, MICHAEL T. - A new species of Pachytesta from the Upper Pennsylvanian Finis Shale of Texas. [F]
  131. EAKIN, DAVID A. - Preliminary results of a study of the unique peristome of the genus Macrohymenium [Sematophyllaceae] using conventional and scanning electron microscopy. [L]
  132. EGAN, TODD P.* AND IRWIN A. UNGAR. - Similarity between seed banks and aboveground vegetation along a salinity gradient. [E]
  133. ELISENS, WAYNE* AND TOD STUESSY. - New frontiers in plant systematics: the next 50 years. Introduction. [S]
  134. ELISENS, WAYNE*, MIA MOLVRAY, PAUL KORES, AND CLAUDE DEPAMPHILIS. - ITS sequence variation among climbing snapdragons (Veronicaceae): implications for delimiting genera and evaluating crossing data. [S]
  135. ELLYSON, WILLIAM J. T.* AND STEPHEN C. SILLETT. - Epiphytic Bryophytes and Llichens on Sitka Spruce Trees in an Old-growth Redwood Forest. [L]
  136. ENDRESS, PETER K.* AND ANTON IGERSHEIM. - Floral structure of Amborella, the earliest branching extant angiosperm. [S]
  138. ERHART, TEMAN*, MARK V. WILSON, AND AARON LISTON. - Population dynamics and conservation biology of Lupinus sulphureus ssp. kincaidii (Fabaceae). [E]
  140. ESSIG, FREDERICK B.*, JAMES R. GAREY, AND JONATHAN M. SLOMBA. - The infrageneric classification of Clematis (Ranunculaceae). [S]
  141. EVANS, RODGER C. AND CHRISTOPHER S. CAMPBELL.* - A multigene tree of the Rosales. [S]
  142. EVANS, RODGER C.* AND CHRISTOPHER S. CAMPBELL. - The polyploid origin of a large clade: Nuclear Granule-Bound Starch Synthase (GBSSI or waxy) gene sequences support a spiraeoid ancestry of the Maloideae (Rosaceae). [S]
  143. FAN, CHUANZHU*, JENNY QIU-YUN XIANG, AND RICHARDSON ADJOA. - Phylogenetic Relationships of Cornus L. Inferred from Nuclear DNA Sequences. [S]
  144. FAN, SHUGUO*, CHENGYE LIANG, AND HONGXIAN LIU. - Identification of restoring and maintaining relationship of male sterile variants of rice (Oryza sativa L.) cultured in vitro. [P]
  145. FAN, SHUGUO*, CHENGYE LIANG, AND HONGXIAN LIU. - In vitro mutation of rice (Oryza sativa L.) from GMS to CMS. [P]
  146. FAN, SHUGUO*, CHENGYE LIANG, AND HONGXIAN LIU. - Somaclonal male sterile mutants and their expressions in male sterile rice (Oryza sativa L.) somaclones. [P]
  147. FARRAR, DONALD R. - Evolution and speciation in Botrychium. [O-symposium]
  148. FARRAR, DONALD R.* AND FLORENCE S. WAGNER. - An overview of the Ophioglossaceae. [O-symposium]
  149. FARRAR, DONALD R.* AND JAMES E. WATKINS. - Morphological differentiation through differential gene silencing in the allotetraploid derivatives of Botrychium lunaria X B. lanceolatum-a partial confirmation of the hypothesis of Werth and Windham. [O]
  150. FARRAR, DONALD R.*, CINDY L. JOHNSON-GROH, AND WARREN D. HAUK. - Biology and conservation of the Ophioglossaceae-A tribute to Warren "Herb" Wagner: symposium abstract. [O-symposium]
  151. FERGUSON, CAROL S.*, KATHLEEN DONHAM, AND JENNIFER BROWN. - Pollination of Clustered lady's slipper orchid, Cypripedium fasciculatum (Orchidaceae). [E]
  152. FERGUSON, CAROLYN J.1* AND BARBARA A. SCHAAL2. - Genetic relationships and variation in populations of Phlox pilosa and P. divaricata (Polemoniaceae) in the Ozarks. [S]
  153. FERGUSON, DIANE M.* AND TAO SANG. - Testing hypotheses of hybrid speciation in peonies (Paeonia; Paeoniaceae) using the low-copy nuclear gene alcohol dehydrogenase (Adh). [S]
  154. FESSEL, KEITH E.* AND BETH A. MIDDLETON. - Survivorship of woody plant seeds in bald cypress swamps in southern Illinois. [E]
  155. FIELDS, PATRICK F.* AND RALPH E. TAGGART. - Neogene western North American Nelumbo, Nuphar, and Nymphaea megafossils. [F]
  156. FINER, MATTHEW S* AND MARTIN T MORGAN. - Geitonogamy and the evolution of inflorescence design in Asclepias speciosa. [E] [Poster]
  157. FISHBEIN, MARK*, LARRY HUFFORD, AND DOUGLAS E. SOLTIS. - Reversals to hypogyny in Saxifragales: comparative ontogenies and evolutionary correlates. [D]
  158. FLOYD, SANDRA K.* AND WILLIAM E. FRIEDMAN. - Endosperm development in Amborella trichopoda:implications for the origin and early evolution of angiosperm reproductive biology. [D]
  159. FORD, C. HEATHER* AND BARBARA CRANDALL-STOTLER. - A monographic study of the genus Petalophyllum Nees & Gottsche ex Lehm. [L]
  160. FREDERICQ, SUZANNE AND JUAN M. LOPEZ-BAUTISTA.* - Phylogeny, biogeography and life history evolution in the red algal family Phyllophoraceae (Gigartinales). [A]
  161. FREID, ETHAN. - Leaf anatomy of the tribe Coccolobeae (Polygonaceae). [S]
  162. FREID, ETHAN. - Stem and nodal anatomy of the tribe Coccolobeae (Polygonaceae). [S]
  163. FREID, ETHAN. - Stem, node, petiole, and leaf anatomy of Coccolobeae (Polygonaceae) and its systematic implications. [S]
  164. FREILE, DEBORAH* AND MELANIE DEVORE. - Utility of petrographic thin section analysis of fossil plant material and associated sediments in taphonomic studies: An example from the Oligocene of Texas. [F] [Poster]
  165. FREUDENSTEIN, JOHN V.*, DIANA M. SENYO, AND MARK W. CHASE. - Phylogenetic implications and comparative utility of 26S and ITS2 sequences in Orchidaceae. [S]
  166. FRITSCH, PETER W.* AND CYNTHIA M. MORTON. - Phylogeny of the Styracaceae based on four data sets: implications for the historical biogeography of the northern hemisphere and amphi-Pacific tropical disjunctions. [S-symposium]
  167. FUERTES AGUILAR, JAVIER*, BELéN GUTIéRREZ LARENA, AND GONZALO NIETO FELINER. - Reticulate evolution along an altitudinal gradient in Armeria (Plumbaginaceae) inferred from ITS, cpDNA, and morphology. [S]
  168. GABEL, JOHN D.*, DONALD H. LES, W. ALAN CHARLTON, AND ALLEN J. COOMBES. - Phylogeny of Azara (Flacourtiaceae). [S]
  169. GAILING, OLIVER*, FRANK R. BLATTNER, AND KONRAD BACHMANN. - Isolation of closely linked markers for the evolutionary reduction of inner microsporangia within the asteracean genus Microseris. [G] [Poster]
  170. GEISER, LINDA H. - Establishing background ranges and mapping of lichen sulfur, nitrogen and metal concentrations in Pacific Northwest forests. [L] [Poster]
  171. GENSEL, PATRICIA G. - Plants, fossils, and evolution: Lessons from the fossil hunters. [Z-symposium]
  172. GERNANDT, DAVID S., AARON LISTON*, AND DANIEL PIÑERO. - Nuclear ribosomal DNA internal transcribed spacer region polymorphism and its implications for phylogenetic inference in Pinus subsection Cembroides. [S]
  173. GERRATH, JEAN M. - Tendril development in Antigonon leptopus Hook. & Arn. (Polygonaceae). [D]
  174. GIBSON, J. PHIL. - Developmental differences between ray and disc achenes in heteromorphic species of Prionopsis and Heterotheca. [D]
  175. GIBSON, J. PHIL. - Why is that cell red? A microtechnique based approach for teaching a plant anatomy lab. [T]
  176. GIGNAC, L. DENNIS*, LINDA A. HALSEY, AND DALE H. VITT. - Evaluating GCM outputs for 0ka BP and 6ka BP using the distribution of Sphagnum-dominated peatlands in North America. [L]
  177. GIUSSANI, LILIANA M., J. HUGO COTA-SANCHEZ*, FERNANDO ZULOAGA, AND ELIZABETH A. KELLOGG. - A molecular phylogeny of the subfamily Panicoideae (Poaceae) using ndhF sequences. [S]
  178. GIVNISH, THOMAS J.*, GREG BEAN, AND KENNETH J. SYTSMA. - Phylogeny, floral evolution, and patterns of inter-island dispersal in Clermontia (Lobeliaceae) in Hawaii based on ISSR variation. [S]
  179. GIVNISH, THOMAS J.*, J. CHRISTOPHER PIRES, SEAN W. GRAHAM, KENDRA C. MILLAM, THOMAS B. PATTERSON, TIMOTHY M. EVANS, ERIC H. ROALSON, AND KENNETH J. SYTSMA. - Phylogeny of the monocotyledons based on ndhF sequence variation, with special emphasis on relationships within and among commelinoids, lilioids, and asparagoids. [S]
  180. GIVNISH, THOMAS J.*, KENDRA C. MILLAM, AND KENNETH J. SYTSMA. - Phylogenetic relationships and evolutionary patterns in Bromeliaceae based on ndhF sequence variation. [S]
  181. GLEW, KATHERINE. - Lichen Conservation: Rare lichens found in Washington state. [L]
  182. GOFFINET, BERNARD* AND A. JONATHAN SHAW. - Dung and carcasses, the ultimate habitat within the dung-moss family (Splachnaceae)? Answers from a phylogenetic study based on cp DNA sequence data. [S]
  183. GOFFINET, BERNARD* AND A. JONATHAN SHAW. - Phylogenetic inferences in the Orthotrichoideae based on trnL-F and rps4 (cpDNA) sequence data. [L]
  184. GOLA, EDYTA M. - Formation of phyllotactic patterns in cactus seedlings. [D] [Poster]
  185. GOLA, EDYTA M. - Lycopod vasculature - unique system in plants. [D]
  186. GOULD, KATHERINE R.* AND MARK C. TEBBITT. - Morphological and molecular variation in Helianthemum dumosum (Cistaceae), a rare coastal heathland taxon, and its widespread relative, H. canadense. [S] [Poster]
  187. GRAHAM, SEAN W*, HARDEEP RAI, PATRICK REEVES, HEATH O'BRIEN, AND RICHARD OLMSTEAD. - Inference of seed plant phylogeny from multiple chloroplast genes. [S]
  188. GRANT, JASON R. - The genus Botrychium (Ophioglossaceae) in the interior of Alaska – Herb Wagner’s final conquest. [O]
  189. GRANT1, JASON R.* AND LENA STRUWE2. - Morphological evolution and neotropical biogeograpy in Macrocarpaea (Gentianaceae: Helieae). [S]
  190. GROSE, SUSAN O.* AND RICHARD G. OLMSTEAD. - Phylogenetic Analysis of Crescentieae and Tabebuia s.l. (Bignoniaceae). [S] [Poster]
  191. GUALA, GERALD F. - Lessons from the Virtual Herbarium. [S]
  192. GURALNICK, LONNIE J.*, MAURICE SB KU, GERALD E. EDWARDS, VINCENT R. FRANCESCHI, AND BRANDON HOCKEMA. - Induction of the CAM pathway in the C4 plant,Portulaca grandiflora. [P]
  193. HALL, CHRISTINA C.* AND JEFFREY C. NEKOLA. - Influence of scale-dependent environmental factors on the distribution of cliff moss species. [L] [Poster]
  194. HALL, JOCELYN C.* AND KENNETH J. SYTSMA. - Solving the riddle of Californian Cuisine: phylogenetic relationships of capers and mustards. [S]
  195. HALSE, RICHARD R.* AND KATHY MERRIFIELD. - A floristic survey of Bruno Mire in the central Cascade Range, Oregon. [E]
  196. HANNAN, GARY L. - Phenotypic gender modification in Platystemon californicus (Papaveraceae), a wind-pollinated, self-incompatible annual. [E]
  197. HANUS1, FRANK JOSEPH*, KEN FERSCHWEILER2, AND SHERRY KAY PITTAM3. - Present your data on the Web. [T] [Poster]
  198. HARDY, CHRISTOPHER R.* AND DENNIS WM. STEVENSON. - The unusual androecium and pollination system in Cochliostema (Commelinaceae). [D]
  199. HARDY, CHRISTOPHER R.*, ROBERT B. FADEN, JERROLD I. DAVIS AND DENNIS WM. STEVENSON. - A phylogenetic and developmental approach to understanding androecium evolution in the subtribe Dichorisandrinae (Commelinaceae). [S]
  200. HAUFLER, C. H.1*, T. HILDEBRAND1, P. HAMMOND2, J. P. THERRIEN1, AND C. WALTERS1. - New insights concerning the origin of Polypodium scouleri and its ongoing hybridization with sympatric congeners. [O]
  201. HAUK, WARREN D. - Phylogeny of the Ophioglossaceae based on molecular and morphological characters. [O-symposium]
  202. HAWKINS, TRACY S. - A vegetation transect of the south slope of Pine Mountain, Kentucky: changes since E. Lucy Braun and chestnut blight. [E]
  203. HAY, JORDAN O.*, MIGUEL PINEROS, LEON V. KOCHIAN, AND ROGER M. SPANSWICK. - Isolation of rice aleurone protoplasts and whole cell patch clamping. [P] [Poster]
  204. HAYWARD, JAMES L.* AND DENNIS W. WOODLAND. - Plant diversity and ecology of Protection Island, Washington. [E] [Poster]
  205. HERMSEN, ELIZABETH J.*, WILLIAM L. CREPET, AND KEVIN C. NIXON. - A new fossil saxifragoid from the Upper Cretaceous of New Jersey. [F]
  206. HERNANDEZ-CASTILLO, GENARO RODRIGO. - Use of multivariate analysis in reconstructing fossil conifers. [F]
  207. HEYWOOD, VERNON H. - Floristics and monography - an uncertain future? [S-symposium]
  208. HIDAYATI1, SITI, N.*, JERRY, M. BASKIN1, AND CAROL, C. BASKIN1, 2. - Dormancy-breaking and germination requirements for seeds of Symphoricarpos orbibculatus (Caprifoliaceae). [E]
  209. HILL, JEFFREY P. - Sporophyll pinna meristem development in Ceratopteris richardii. [D]
  210. HILL, RICHARD. - Scientists and Journalists: Worlds in Collision? [S-symposium]
  211. HILU, KHIDIR W*, THOMAS BORSCH2, JENS ROHWER3, CHRISTOPH NEINHUIS2, TRACEY SLOTTA1, BIRGIT GEMEINHOLZER4, MICHAEL WINK4, AND LAWRENCE A. ALICE5. - Insight into the evolution of angiosperms: evidence from matK sequences. [S]
  212. HILU, KHIDIR W.* AND LAWRENCE A. ALICE. - Addressing and raising new systematic questions in the Chloridoideae (Poaceae) with matK sequence data. [S]
  213. HIRREL, MARC C. AND JOHN S. CHOINSKI.* - The use of investigative biology exercises in freshman labs improves the retention of biology majors in advanced courses. [T] [Poster]
  214. HOEFFERLE, ANN M. - Impacts of aerial leaf removal on subsequent year reappearance and size of leaves of the daisy leaf moonwort (Botrychium matricariifolium) and the triangle moonwort (Botrychium lanceolatum var. angustisegmentum). [O-symposium]
  215. HOGGARD, GLORIA, RON HOGGARD, MIA MOLVRAY, AND PAUL KORES.* - A phylogenetic analysis of Gaura (Onagraceae) based on ITS sequence data. [S]
  216. HOOPER, ELISABETH A.* AND POLLY HIGGINS. - A preliminary investigation into the origin of the Pale Purple Coneflower, Echinacea pallida (Asteraceae), using allozyme and ISSR markers. [S] [Poster]
  217. HOOT, SARA B.*, W. CARL TAYLOR, AND E. WAGNER. - Species delimitation and hybrid origins in North American Isoëtes based on LEAFY intron data. [O]
  218. HORN, JAMES W. - Phylogeny, biogeography, and patterns of morphological evolution in Hibbertia (Dilleniaceae). [S]
  219. HORNER, HARRY T.*, ALBERT P. KAUSCH, AND BRUCE L. WAGNER. - Ascorbic acid serves as precursor for oxalate synthesis in calcium oxalate idioblasts of Yucca torreyi in liquid root culture. [D]
  220. HOU, GUI-CHUAN* AND JEFFREY P. HILL. - Root development in sporelings of Ceratopteris richardii. [D] [Poster]
  221. HOUSTON, HEATHER J.* AND TOM A. RANKER. - Population genetics of Sadleria cyatheoides (Blechnaceae), a Hawaiian endemic. [O]
  222. HUANG, MINGJUAN*, JOHN V. FREUDENSTEIN, AND DANIEL J. CRAWFORD. - Phylogenetic relationships of the Caryopteris-Trichostema complex (Lamiaceae) based on ndhF sequence data. [S] [Poster]
  223. ICKERT-BOND, STEFANIE, M. - Micromorphological and cytological patterns among New World species of Ephedra L. (Ephedraceae). [S]
  224. INGRAM, AMANDA L.* AND JEFF J. DOYLE. - Polyploid origin of Eragrostis tef: evidence from the waxy locus. [S]
  225. JALONEN, JYRKI A.* AND ILKKA VANHA-MAJAMAA. - Understorey vegetation response to alternative forest harvesting methods in southern boreal forests. [E] [Poster]
  226. JAMESON, ANNEMARIE. - Feeding trials of Giant Swallowtail larvae on Rutaceae in south Florida. [E] [Poster]
  227. JAMESON, ANNEMARIE. - Spatial pattern analysis of Torchwood in south Florida. [E]
  228. JENKINS, PHILIP D. - Systematics of Browallia Linnaeus (Solanaceae, Cestroideae), inferences from morphological data. [S]
  229. JESSUP, STEVEN LEE. - Phycobiont fidelity in Umbilicaria. [L]
  230. JOHANNES FISHER, KIRSTEN M. - The heteroblastic series in leucobryoid mosses. [L]
  231. JOHNSON, EMANUEL L. AND STEPHEN D. EMCHE.* - Transgenic Plants: A source for medicinal plants. [C]
  232. JOHNSON, EMANUEL L.*, WALTER F. SCHMIDT, AND DONALD COOPER. - Flavonoids as chemotaxonomic markers for cultivated Amazonian Erythroxylum . [C]
  233. JOHNSON, LEIGH A. - Sinister speciation: elucidating phylogeny and taxonomy in a cryptic species complex in Polemoniaceae. [S]
  234. JOHNSON-GROH, CINDY, L., LAURA SCHOESSLER*, CHANDA RIEDEL, AND KRISSA SKOGEN. - Underground distribution and abundance of Botrychium gametophytes and juvenile sporophytes. [O-symposium]
  235. JOHNSON-GROH, CINDY. - Population dynamics of Botrychium. [O-symposium]
  236. JONES, DAVID A. - Plant Genetics at Rothamstead, Cambridge and the "John Innes," 1856-1960. [H-symposium]
  237. KANTZ, KATHERINE E.* AND SHIRLEY C. TUCKER. - Floral development of Chrysobalanus icaco L. and Licania michauxii Prance (Chrysobalanaceae): stamen number and formation of the gynobasic style. [D]
  238. KASS, LEE B. - Barbara McClintock, *Botanist, Cytologist, Geneticist. [H-symposium]
  239. KELCH, DEAN G.* AND RAYMOND CRANFILL. - Seed plant phylogeny: the yew-conifers and a farewell to the anthophyte hypothesis. [S]
  240. KELCHNER, SCOT A. - Alignment and analysis of noncoding cpDNA sequences: implications of molecular evolution for phylogeny estimation. [S]
  241. KELCHNER, SCOT A.*, RANDALL J. BAYER, ROBERT J. CHINNOCK, MICHAEL D. CRISP, AND JUDY G. WEST. - A data partition analysis of noncoding sequence evolution in Bontia and Myoporaceae. [S]
  242. KELLOGG, ELIZABETH A. - Genetics of character evolution. [S-symposium]
  243. KEON, DYLAN B.* AND PATRICIA S. MUIR. - Factors limiting the distribution of the sensitive lichen Usnea longissima in the Oregon Coast Range: habitat or dispersal? [L] [Poster]
  244. KESTER, PAUL R. - Tracking the radiation and regional extinctions of the genus Cunninghamia (Taxodiaceae). [F] [Poster]
  245. KIM, KI-JOONG*, GYE-SOOK HA, AND HAE-LIM LEE. - Introgressive hybridization between native and introduced species of Taraxacum. [S]
  246. KIMMELMAN, BARBARA. - "Playing Catch-Up? An Institutional Interpretation of Mendel's Two Receptions, 1865-1900". [H-symposium]
  247. KIRCHOFF, BRUCE*, SONJA CAUBLE, ELIZABETH SHELTON, AND ALLYSON PREVETTE. - The Structure of the Banana Inflorescence. [D] [Poster]
  248. KIRCHOFF, BRUCE. - Open Space Symposium. [D-symposium]
  249. KLAVINS, SHARON D. - Anatomically preserved gymnosperms from the Late Devonian of Ireland. [F]
  250. KLEINMAN, KIM J. - Genetics at the Missouri Botanical Garden. [H-symposium]
  251. KLIPS, ROBERT A. - Inbreeding depression is variable among populations of rose mallows (Hibiscus species, Malvaceae). [E]
  252. KOPTUR, SUZANNE* AND JOHN HENRY GEIGER. - Pollination of Byrsonima lucida (Malpighiaceae) in southern Florida. [E]
  253. KORALL, PETRA* AND PAUL KENRICK. - Phylogeny of Selaginellaceae based on the plastid gene rbcL: congruence and incongruence with morphology. [O]
  254. KORN, ROBERT W. - Developmental leaf spots. [D]
  255. KORPELAINEN, HELENA. - The evolutionary processes of chloroplast and mitochondrial genomes differ from those of nuclear genomes. [G]
  256. KRAYESKY, DAVID M. - A Revision of the Genus Fossombronia Raddi in north and east Asia, Oceania, the Malay Archipelago, and New Zealand. [L]
  257. KRISTIANSEN, KIM A. - Typical orchid mycorrhiza and protocorm seedling biology found in Neuwiedia. [D]
  258. KRON, KATHLEEN A.*, E. ANN POWELL, AND JAMES L. LUTEYN. - Molecular systematics of Macleania and Psammisia and their relationship to other members of Vaccinieae. [S]
  259. KUZOFF, ROBERT K.*, JOHN L. BOWMAN, AND CHARLES S. GASSER. - Structural and functional diversification of the YABBY gene family across angiosperms. [D]
  260. LA FARGE, CATHERINE. - The Circumscription of the Dicranaceae (Bryopsida), with special emphasis on the subfamily Dicranoideae Based on cp DNA: trnL and rps4. [L]
  261. LANDRUM, JAMES VICTOR. - Effects of hormones on wide-band tracheid expression in stems of Anacampseros (Portulacaceae). [D] [Poster]
  262. LANDRUM, JAMES VICTOR. - Light intensity as the primary factor for wide-band tracheid initiation and develoment in stems of Anacampseros (Portulacaceae). [D] [Poster]
  263. LARA-CABRERA, SABINA I.* AND DAVID M. SPOONER. - Morphological and microsatellite variation of Mexican diploid wild potato species. [S]
  264. LAVIN, MATT*, MARTIN F. WOJCIECHOWSKI, MICHAEL J. SANDERSON, AND ADAM RICHMAN. - Molecular biogeography of temperate and tropical legumes in North America. [S-symposium]
  265. LEDLEY, TAMARA SHAPIRO. - Global climate change: An Earth system perspective. [Z-symposium]
  266. LEE, DAVID W.*, GEORGE T. TAYLOR, AND ANTHONY K. IRVINE. - Structural Fruit Color in Delarbrea michieana (Araliaceae). [D]
  267. LEE, JOONGKU*, BRUCE G. BALDWIN, AND LESLIE D. GOTTLIEB1. - A molecular phylogenetic study of Stephanomeria and related North American genera (Compositae-Lactuceae) based on 18S-26S nuclear rDNA ITS sequences. [S]
  268. LEE, NAM SOOK, YOUNGBAE SUH, SUNGHEE YEAU, AND SANGTAE LEE.* - The Morphological and genetic analyses of Korean Adonis. [S] [Poster]
  269. LEE, SANGTAE, CHUNGHEE LEE, YOUNGBAE SUH, SUNGHEE YEAU, AND NAM SOOK LEE.* - Pollen morphology of the genus Adonis L. (Ranunculaceae) in Korea. [S] [Poster]
  270. LEOPOLD, ESTELLA B. - How well do pollen corroborate Eocene leaf taxa?--Florissant Formation, Colorado, a case study. [F]
  271. LES, DONALD H.*, DANIEL J. CRAWFORD, ELIAS LANDOLT, JOHN D. GABEL, AND REBECCA T. KIMBALL. - Phylogenetic relationships in Lemnaceae Dumortier, the duckweed family. [S]
  272. LEVIN, RACHEL A.*, ROBERT A. RAGUSO, AND LUCINDA A. MCDADE. - The relationship between floral fragrance, phylogeny, and hawkmoth-pollination in Nyctaginaceae. [S]
  273. LEWIS, CARL E.* AND JEFF J. DOYLE. - Low-copy nuclear genes for phylogenetic research in the palm family. [S]
  274. LEWIS, LOUISE A. - Molecular diversity of green algae from biotic crust communities. [A]
  275. LI, JIANHUA*, DAVID E. BOUFFORD, AND MICHAEL J. DONOGHUE. - Phylogenetics of Buckleya (Santalaceae) based on ITS sequences of nuclear ribosomal DNA. [S] [Poster]
  276. LI, XIAOJIE* AND STEVEN A. FENNIMORE. - Temporal changes in germinability and light response of seeds of six common weed species. [E]
  277. LIGRONE, ROBERTO*, KAREN SUE RENZAGLIA, NEIL ANDREWS, AND JEFFREY G DUCKETT. - Multiple evolution of water-conducting systems in bryophytes. [L]
  278. LITTLE, DAMON P. - Phylogenetic relationship and monophyly of Cupressus and Chamaecyparis (Cupressaceae): molecular and organismal evidence. [S]
  279. LITTLE, STEFAN A.* AND RUTH A. STOCKEY. - Reconstructing aquatic angiosperms from the Middle Eocene Princeton chert : Decodon allenbyensis . [F]
  280. LIU, XIANAN*, AHMED BAHIELDIN, EL-SAYED HASSANEIN, MOHAMED EL-DOMYATI, SHERIF EDRIS, AND WM. VANCE BAIRD. - Identification and characterization of genes from sunflower (Helianthus annuus L.) that are regulated by drought or osmotic stress. [G] [Poster]
  281. LIU, ZHAO HUA*, GENE MAPES, AND GAR W. ROTHWELL. - Taxonomic diversity among Late Pennsylvanian conifers at Hamilton, Kansas. [F]
  282. LIVSHULTZ, TATYANA. - Systematics and evolution of ant-leaves in the genus Dischidia (Asclepiadaceae). [S]
  283. LOPEZ-BAUTISTA, JUAN M.*, DONALD KAPRAUN, DEBRA A. WATERS, AND RUSSELL L. CHAPMAN. - Nuclear DNA quantification and the life cycle in Cephaleuros parasiticus (Trentepohliales, Chlorophyta). [A] [Poster]
  284. LOWREY, TIMOTHY K.*, CHRISTOPHER J. QUINN, RACHAEL K TAYLOR, RAYMUND CHAN, REBECCA KIMBALL, AND JAN C. DE NARDI. - Molecular, morphological and biogeographical reassessment of relationships within the Vittadinia group of Astereae (Asteraceae). [S]
  285. LUCAS, JESSICA R.* AND KAREN S. RENZAGLIA. - Anatomy, ultrastructure and physiology of hornwort stomata: an evaluation of homology. [D] [Poster]
  286. LUCKOW, MELISSA. - Leaf anatomy of three genera of Malagasy mimosoid legumes: adaptations to xeric habitats. [D]
  287. LUTZ, ANDREW W.* AND ANDREA D WOLFE. - Population genetics of the endiemic species, Penstemon caryi Pennel. [S] [Poster]
  288. LUTZONI, FRANCOIS*, PETER WAGNER, AND VALERIE REEB. - Integrating ambiguously aligned regions of DNA sequences in phylogenetic analyses without violating positional homology. [S]
  289. LUTZONIÝ, FRANCOIS*, MARK PAGELý, AND VALERIE REEBÝ¥. - Contribution of the lichen symbiosis to the diversification of ascomycetes: A new approach to determining confidence levels for ancestral character states. [S]
  290. MACMILLAN, PAUL C.* AND LINDSAY M. BETZ. - Twenty-five years of forest succession in southeastern Indiana. [E]
  291. MAGALLóN, SUSANA A. - Extinct and extant Hamamelidoideae: phylogeny and character evolution. [S]
  292. MAGALLóN, SUSANA A.*, MICHAEL J. SANDERSON, JAMES A. DOYLE, AND MARTIN F. WOJCIECHOWSKI. - Estimate of the age of the angiosperm crown group derived from integrated analysis of molecular and paleontological data. [S]
  293. MALCOMBER, SIMON T.* AND ELIZABETH A. KELLOGG. - Gaertnera (Rubiaceae): a rapid radiation based on sequence data from three nuclear DNA sequence data sets. [S]
  294. MANCHESTER, STEVEN R. - Leaves and fruits of Aesculus antiquorum (Newberry) Iljinskaya (Sapindales) from the Paleocene of North America.. [F]
  295. MANCHESTER, STEVEN R.* AND BRUCE H. TIFFNEY. - Paleobotanical data and the phytogeographic history of holarctic angiosperm clades. [S-symposium]
  296. MANOS, PAUL S.* AND MICHAEL J. DONOGHUE. - Historical biogeography of the Northern Hemisphere symposium abstract. [S-symposium]
  297. MANOS, PAUL S.*, ALICE M. STANFORD, AND MICHAEL J. SANDERSON. - Phylogenetic patterns of disjunct Fagales: tracking the history of north temperate and subtropical forests. [S-symposium]
  298. MANSION, GUILHEM. - Phylogenetic position of the north and central american species of Centaurium (Gentianaceae) based on molecular data and chromosome numbers: evidence of an old-world origin. [S]
  299. MAPES, GENE*, KEQIN SUN, MICHAEL KRINGS, GAR W. ROTHWELL, AND ROYAL H. MAPES. - The earliest occurrence of Medullosa. [F]
  300. MAST, AUSTIN R.* AND THOMAS J. GIVNISH. - Historical biogeography of Banksia and Dryandra (Proteaceae) in Australia's Southwest Botanical Province. [S]
  301. MATULA, COLLEEN F. - Conservation status of Botrychium in the Upper Great Lakes. [O-symposium]
  302. MAYER, MICHAEL S.*, JON P. REBMAN1, AND LAURA M. WILLIAMS. - Confirmation and characteristics of the hybrid origin of Opuntia prolifera through RAPD analyses. [S]
  303. MCCAULEY, ROSS A.* AND HARVEY E. BALLARD. - Systematics, biogeography, and evolutionary trends in the North American species of Froelichia (Amaranthaceae). [S]
  304. MCCOURT, RICHARD M.*, EARLE E. SPAMER, ALFRED E. SCHUYLER, AND MEREDITH A. LANE. - Saving an American Treasure: Restoring the Herbarium of the Lewis and Clark Expedition. [H]
  305. MCCUNE, BRUCE. - Lichen transplant results pose a treetop paradox. [L]
  306. MCDADE, LUCINDA A.*, THOMAS F. DANIEL, AND KATHERINE M. RILEY. - Phylogenetic relationships within the enigmatic tribe Justicieae (Acanthaceae). [S]
  307. MCDANIEL, STUART F.* AND JON SHAW. - Morphological change is decoupled from molecular evolution in disjunct populations of Pyrrhobryum mnioides (Hook.) Manuel. [L]
  308. MCLETCHIE, D. NICHOLAS. - Sex-specific life histories and population sex ratios in the dioecious liverwort Marchantia inflexa. [E]
  309. MCMAHON, MICHELLE* AND LARRY HUFFORD. - Phylogeny of Amorpheae (Fabaceae:Papilionoideae) based on DNA sequences from the chloroplast trnK intron, including the matK gene. [S]
  310. MCMANUS, H. A.*, E. L. TAYLOR, T. N. TAYLOR, AND L. D. BOUCHER. - An Enigmatic Axis from the Triassic of Antarctica. [F]
  311. MCMASTER, ROBERT T. - Ecology and population biology of Ophioglossum pusillum in New England. [E]
  312. MCNEAL, JOEL R.* AND CLAUDE W. DEPAMPHILIS. - Origin and molecular systematics of the parasitic plant genus Cuscuta (dodder). [S]
  313. MCNEILL, JOHN. - Botanical nomenclature: on the threshold of major change? [S-symposium]
  314. MEEROW, ALAN W.* AND DEIRDRE A. SNIJMAN. - Phylogeny of Amaryllidaceae tribe Amaryllideae based on nrDNA ITS sequences. [S] [Poster]
  315. MEHLTRETER, KLAUS*, JOSé G. GARCíA-FRANCO, AND ALEJANDRO FLORES-PALACIOS. - Microhabitat preferences of trunk epiphytes in a cloud forest of Mexico, with special reference to ferns. [O] [Poster]
  316. MEHLTRETER, KLAUS1* AND MóNICA2 PALACIOS-RIOS. - Phenological studies on Acrostichum danaeifolium Langsd. et Fisch. (Pteridaceae, Pteridophyta) on a Caribbean mangrove site of Mexico. [O]
  317. MEIJER, WILLEM. - Aims and prospects for the global biodiversity studies of Bryophytes, Hornworts and Lichens. [L]
  318. MELOCHE, CHRISTOPHER G.* AND PAMELA K. DIGGLE. - Patterns of carbon allocation in Acomastylis rossii(Rosaceae) an alpine plant exhibiting extreme preformation. [D]
  319. MERMELL, LESLY P.* AND TINA J. AYERS. - Use of nrITS sequence data for phylogenetic analysis of the Lysipomia sphagnophila (Campanulaceae) species complex. [S] [Poster]
  320. MEYER, KARSTEN* AND SUSANNE S. RENNER. - Long distance dispersal in Melastomeae: from South America to Africa to Madagascar and SE Asia. [S] [Poster]
  321. MEYEROWITZ, ELLIOT M. - Genes, genomes, and plant developmental biology. [Plenary session]
  322. MIADLIKOWSKA, JOLANTA* AND FRANÇOIS LUTZONI. - Coevolution of symbiotic associations within peltigerous lichens (Peltigerineae, Ascomycota). [L]
  323. MICHELANGELI, FABIAN A. - Ant-protection against herbivory and evolution of myrmecophytism in the genus Tococa (Melastomataceae).
  324. MICKLE, JAMES E. - LeafLab: A research simulation to foster the students' experience in the process of science. [T-symposium]
  325. MIKESELL, JAN E. - Correlation of overcompensation and the breaking of apical dominance in Phaseolus aureus . [D]
  326. MILLER, DONNA H. - A review of the synoicous species of Cyclodictyon (Musci). [L] [Poster]
  327. MILLER, DONNA H.*, HARVEY A. MILLER, SHILOH JONES,, AND PAUL SPARKMAN. - Bryophytes of the Alabama Black Belt chalklands. [L]
  328. MILLER, J. S. - The evolution of gender dimorphism in Lycium (Solanaceae). [E]
  329. MILLS, SUZANNE ELIZABETH*, S. ELLEN MACDONALD, AND DALE H. VITT. - Patterns of bryophyte species diversity at three scales in conifer dominated boreal forest stands. [L]
  330. MIONE, THOMAS. - Jaltomata (Solanaceae) of Costa Rica: species delimitation using morphological and ITS sequence variation. [S] [Poster]
  331. MISHKIN, MIRAMANNI, SALLIE J HERMAN*, AND LINDA A RAUBESON. - Genetic diversity of a rare buttercup. [S] [Poster]
  332. MITRA, MADHUMI AND JAMES E. MICKLE.* - Resolving the controversy of the Tar Heel Formation of the eastern United States. [F]
  333. MITRA, MADHUMI. - Richer pedagogic outcomes in Marine Botany course through integration of service learning. [T]
  334. MOLVRAY, MIA*, PAUL KORES, STEVE HOPPER, AND ANDEW BROWN. - A phylogenetic analysis of the subtribe Caladeniinae (Orchidaceae): Based on ITS sequences. [S]
  335. MONTGOMERY, JAMES D. - Conservation Status of the Ophioglossaceae in the Northeast. [O-symposium]
  336. MOODY, MICHAEL L* AND DONALD H LES. - Phylogenetic relationships in Myriophyllum (Haloragaceae). [S] [Poster]
  337. MOORE, LAURA A.*, RASHMI PANT, AND STEVE BOYD. - Fruit dimorphism and dispersal in Pterostegia drymarioides. [S] [Poster]
  338. MORRIS, JULIE A.* AND JOHN V. FREUDENSTEIN. - A systematic study of the North American Yellow Lady's Slipper orchids. [S]
  339. MORRISON, JANET A. - Dogwood decline in the urban New York Botanical Garden Forest. [E] [Poster]
  340. MORRISON, LAURA A.*, LISELE CREMIEUX, ROBERT S. ZEMETRA, OSCAR RIERA-LIZARAZU, AND CAROL MALLORY-SMITH. - Gene flow in the crop-weed complex of wheat (Triticum aestivum L.) and jointed goatgrass (Aegilops cylindrica Host). [G]
  341. MORT, MARK E.*, DOUGLAS E. SOLTIS, PAMELA S. SOLTIS, JAVIER FRANCISCO-ORTEGA, AND ARNOLDO SANTOS-GUERRA. - Phylogenetics and evolution of Aeonium (Crassulaceae) and related genera on the Canary Islands. [S]
  342. MUELLER, RICHARD J. - Using the plastochron index to improve student's understanding of exponential plant growth and the use of logarithms. [T]
  343. MYERS, JEFFREY A. - Unique vegetation from the Eocene Cordilleran uplands. [F]
  344. MüLLER1, KAI*, THOMAS BORSCH1, LAURENT LEGENDRE2, STEFAN POREMBSKI3, AND WILHELM BARTHLOTT1. - A phylogeny of Lentibulariaceae based on sequences of matK and adjacent noncoding regions. [S]
  345. NAGALINGUM, NATHALIE S*, ANDREW N DRINNAN, STEPHEN MCLOUGHLIN, AND RICHARD LUPIA. - Patterns of pteridophyte evolution and diversification in the Cretaceous of southern Gondwana. [F]
  346. NEINHUIS 1, CHRISTOPH*, KHIDIR, W. HILU 2, AND THOMAS BORSCH 1. - Systematics of Aristolochiaceae: Molecular Evidence. [S]
  347. NEWTON, ANGELA E.*, CYMON J. COX, EFRAIN DE LUNA, AND LARS HEDENAS. - Evolutionary radiation of the pleurocarpous mosses: phylogenetic analyses incorporating morphological characters with rbcL, rps4 and trnL-trnF sequence data. [L]
  348. NICKOL, MARTIN G. - Flower morphology and floral ecology of Plumbaginaceae. [S]
  349. NICKRENT, DANIEL L. 1*, CHRISTOPHER L. PARKINSON 2, JEFFREY D. PALMER 2, AND R. JOEL DUFF 3. - Parsimony and likelihood analyses of genes from all three subcellular genomes strongly support major land plant phylogenetic relationships. [S]
  350. NIELD, BECKY A.* AND JEFFREY P. HILL. - Molecular genetic studies of gender expression in angiosperms: early ovule development in Nicotiana tabacum. [D] [Poster]
  351. NIESENBAUM, RICAHRD A. - Using technology to broaden the scientific experience through project based learning. [T-symposium]
  352. NOTIS, CHRISTINE. - Sperm longevity and swimming distance in ferns. [O]
  353. NYFFELER, RETO* AND URS EGGLI. - Phylogenetic relationships and diversification of the columnar and globular cacti of Chile (Cactaceae - Cactoideae). [S]
  354. OCHOTERENA, HELGA* AND MARK PITKIN SIMMONS. - Justification and methods for incorporating gap characters in sequence-based phylogenetic analyses. [S]
  355. OCHOTERENA, HELGA. - Phylogeny and character evolution in Hintonia (Rubiaceae) and related taxa. [S]
  356. OESTREICH, ANDREA*, LINDA A RAUBESON, MARY E COSNER, AND ROBERT K JANSEN. - Campanulaceae systematics based on four chloroplast DNA markers. [S] [Poster]
  357. OLMSTEAD, RICHARD G.*, PHILIP D. CANTINO, BRENDAN LEPSCHI, AND PATRICK A. REEVES. - A molecular systematic study of the Prostantheroideae (Lamiaceae), including Chloantheae (formerly Verbenaceae). [S]
  358. OTTO, ANGELIKA*, WILLIAM C. REMBER, AND BERND R. T. SIMONEIT. - Chemical characteristics of five fossil conifer species from the Miocene Clarkia Flora, Emerald Creek, Idaho, USA. [F]
  359. PARK, SEON-JOO*, ELISA KOROMPAI, JAVIER FRANCISCO-ORTEGA, ARNOLDO SANTOS-GUERRA, AND ROBERT JANSEN. - Phylogenetic relationships of Tolpis (Asteraceae: Lactuceae) based on ndhF sequence data. [S]
  360. PARK, SEON-JOO*, JAVIER FRANCISCO-ORTEGA, ARNOLDO SANTOS-GUERRA, JOSE PANERO, AND ROBERT JANSEN. - Implications of chloroplast DNA variation for the evolution of the Macaronesian Endemic genus Pericallis (Asteraceae, Senecioneae). [S]
  361. PASCARELLA, JOHN B. - Causes and consequences of reproductive isolation between two sympatric Gelsemium species. [E]
  362. PELL, SUSAN K.* AND LOWELL URBATSCH. - Evaluation of evolutionary relationships in Anacardiaceae using matK sequence data. [S]
  363. PEREIRA-NETTO, ADAUCTO B.*, JULIANA M. MENESTRINA, ANA MARIA A. CARNEIRO LEAO, AND MARCELO IACOMINI. - A novel lysine-rich arabinogalactan with regulatory effects on carrot (Daucus carota) cells growth and differentiation. [P] [Poster]
  364. PERONI, PATRICIA A.*, JAMES W. WHITE, ALLISON A. CALDWELL, LAURAN HALPIN, AND ADAH WALKER. - Dark induced secondary dormancy in seeds from a Silene latifolia meta population. [E] [Poster]
  365. PERRET, MATHIEU*, ALAIN CHAUTEMS, RODOLPHE SPICHIGER, AND VINCENT SAVOLAINEN. - Floral diversification and speciation in Sinningieae inferred from phylogenetic analysis of plastid and nuclear cpGS gene sequences. [S]
  366. PETERSON, CURT M., LIWEI CHEN, ROLAND R DUTE, AND MANDY N. ROGERS.* - Petiole Abscission in Cotton (Gossypium hirsutum L.): Anatomical and Ultrastructural Observations. [D] [Poster]
  367. PETERSON1, PAUL M.*, MONES ABU-ASAB2, STANWYN G. SHETLER1, AND SYLVIA STONE ORLI1. - Earlier plant flowering as a response to global warming in the Washington, DC, area. [E]
  368. PIGG, KATHLEEN B.* AND MARIA TCHEREPOVA. - Taxonomic, phytogeographic and ecological significance of the Yakima Canyon flora (middle Miocene, Washington state, USA). [F]
  369. PIGG, KATHLEEN B.* AND WESLEY C. WEHR. - Trochodendron (Trochodendraceae) from the early middle Eocene Republic Flora, Washington, USA. [F]
  370. PIGLIUCCI, MASSIMO*, HEIDI POLLARD, AND MITCHELL CRUZAN. - Comparative studies of reaction norms in Arabidopsis: evolution of response to coarse and fine grained environmental variation in Scandinavian haplotypes. [E]
  371. PITTAM1, SHERRY KAY*, FRANK JOSEPH HANUS2, AND KEN FERSCHWEILER3. - Plugging in: what we have learned in making scientific databases available on the World Wide Web. [E]
  372. PLUNKETT, GREGORY M.1*, PORTER P. LOWRY II2, AND JONATHAN M. EIBL1. - Phylogenetic relationships of Schefflera and Polyscias: non-monophyly in the two largest genera of Araliaceae. [S]
  373. POLANS, NEIL O.*, JEFFERY A. NELSON, AND DAYLE E. SAAR. - Phylogenetic studies of pea comparing different data sets. [S] [Poster]
  374. PONZETTI, JEANNE* AND BRUCE MCCUNE. - Biotic soil crusts of the Columbia River Basin: landscape level variation in community composition. [L]
  375. PORTER, J. MARK* AND LEIGH A. JOHNSON. - Age and diversification and their implications for historical biogeography of Polemoniaceae. [S]
  376. POTGIETER, K*, J ROVA, E WALLANDER, V.A ALBERT, AND L STRUWE. - Large molecular trnL intron phylogeny of the Gentianales. [S]
  377. POTTER, DANIEL* AND FANGYOU GAO. - Black, English, Royal, or Paradox? - developing molecular markers for walnut (Juglans) species, cultivars, and hybrids. [E]
  378. PRATT, DONALD B.* AND LYNN G. CLARK. - Amaranthus rudis and A. tuberculatus-- One species or two? [S]
  379. PRICE, H. JAMES*, M. NURUL ISLAM-FARIDI, AND DAVID M. STELLY. - Molecular cytogenetic mapping of sorghum chromosome 1. [G]
  380. PRICE, MICHELLE J. - A preliminary cladistic analysis of the Dicranoideae (Dicranaceae, Musci) based on morphology. [L]
  381. PRINCE, LINDA M. - Additional evidence of monophyly, paraphyly, and polyphyly in genera of Theaceae. [S] [Poster]
  382. PRINCE, LINDA M.* AND W. JOHN KRESS. - Phylogenetic relationships among genera of the prayer plant family (Marantaceae) based on chloroplast DNA sequence data. [S]
  383. PRYER, KATHLEEN M.Ý*, HARALD SCHNEIDERÝ, ALAN R. SMITHý, PAUL G. WOLF§, RAYMOND C. CRANFILLý, JEFFREY S. HUNTÝ, AND SEDONIA D. SIPES§. - The closest living relative to seed plants: insights from four genes and morphology. [S]
  384. RANDLE, CHRISTOPHER PATRICK. - Biosystematics of Harveya Hook.(Orobanchaceae): preliminary studies. [S] [Poster]
  385. RANKER, TOM A.*, KENDRA A. MINGO, CHRISSEN E. C. GEMMILL, AND WINONA CHAR. - Systematics and classification of Hawaiian Sesbania (Fabaceae). [S]
  386. RATZEL, STEPHEN R.*, GAR W. ROTHWELL, ROYAL H. MAPES, GENE MAPES, AND LARISA A. DOGUZHAEVA. - Pityostrobus in the Lower Cretaceous of southwestern Russia. [F] [Poster]
  387. RAUBESON, LINDA A*, MARY E COSNER, ANDREA OESTREICH, AND ROBERT K JANSEN. - Molecular characters in phylogeny reconstruction: A comparison of nucleotide data and chloroplast genome structural changes. [S]
  388. REE, RICHARD H.*, MICHAEL J. DONOGHUE, AND DAVID E. BOUFFORD. - Plant diversity of the Hengduan Mountain region of China. [S]
  389. REEB, VALERIE C.*, CLAUDE ROUX, AND FRANCOIS M. LUTZONI. - A phylogenetic study of the Acarospora and Acarosporaceae (lichen-forming ascomycetes) and their position within the ascomycetes.. [L]
  390. REINSVOLD, ROBERT J.* AND DAVID W. KRAMER. - Educational outreach activities of the Botanical Society of America. [T]
  391. REMBER, WILLIAM C.*, ANGELIKA OTTO, AND BERND R. T. SIMONEIT. - Morphology of Cunninghamia chaneyi from the Middle Miocene Clarkia flora northern Idaho. [F]
  392. RENNER, SUSANNE S.* AND ANDRE CHANDERBALI. - What is the relationship among Hernandiaceae, Lauraceae, and Monimiaceae, and why is this question so difficult to answer? [S] [Poster]
  393. RETALLACK, GREGORY JOHN. - Peltaspermaceous affinities of "Dicroidium" callipteroides from the earliest Triassic, basal Narrabeen Group, Australia. [F]
  394. RICE, STANLEY A. - Teaching principles of fluid dynamics using xylem and transpiration measurements. [T]
  395. RICE, STEVEN K.* AND DAVID COLLINS. - Living within boundary layers: the functional significance of variation in bryophyte canopy structure. [L]
  396. RICHARDSON, ADJOA O.*, QUI-YUN (JENNY) XIANG, AND CHUANZHU FAN. - Microsatellite analysis of the hybrid zone in the Buckeye Genus Aesculus L. (Hippocastanaceae). [G]
  397. RILEY, MICHAEL G.* AND RUTH A. STOCKEY. - A new aquatic angiosperm with a floating rosette of leaves from the St. Mary River Formation of southern Alberta. [F]
  398. ROALSON, ERIC H. - Molecular phylogenetic studies in Carex section Acrocystis (Cyperaceae): evidence from nuclear Adh and ITS genic regions. [S]
  399. ROBERTS, ROLAND P.* AND LOWELL E. URBATSCH. - Phylogenetic investigations of the Ericameria complex (Astereae, Asteraceae). [S] [Poster]
  400. RUCHTY, ANDREA* AND BRUCE MCCUNE. - Influence of canopy type on the biodiversity of epiphytic lichens and bryophytes in riparian forests. [L] [Poster]
  401. RUSSELL, ADRIENNE D. - Phylogeny and morphology of Chorizanthe and related taxa (Polygonaceae: Eriogonoideae). [S]
  402. RUSSELL, ANGELA J.*, RIADH FRANCIS, ROBERTO LIGRONE, JEFFREY G. DUCKETT, AND DAVID READ. - Symbiotic fungal associations in liverworts. [L]
  403. RUSSELL, SCOTT D. - Interactivity on the Internet and interactive learning environments. [T-symposium]
  404. RUSSELL, SCOTT D.1*, ZHAOJIE ZHANG1, HUILING XU2, PREM BHALLA2, AND MOHAN B. SINGH2. - Plumbago zeylanica sperm isolation, collection and cDNA library characterization. [D]
  405. RUVINSKY, JESSICA* AND DAVID ACKERLY. - Adaptive phenotypic plasticity in Mimulus guttatus. [E]
  406. SMOCOVITIS, VASSILIKI BETTY. - Botany in the Age of Mendel: A Symposium in Honor of the Centennial of the Rediscovery of Mendel, and the 50th Year Anniversary of the Publication of G.L. Stebbins's Variation and Evolution in Plants. [H-symposium]
  407. SMOCOVITIS, VASSILIKI BETTY. - Plant Genetics after Mendel: E.B. Babcock, G. Ledyard Stebbins and the Genus Crepis. [H-symposium]
  408. SOLTIS, PAMELA S. - Molecular phylogenetics and beyond. [S-symposium]
  409. SUD, RUCHIRA M.* AND NANCY G. DENGLER. - Cell lineage of vein formation in variegated leaves of the C4 grass Stenotaphrum secundatum. [D]
  410. SYTSMA, KENNETH J.* AND J. CHRIS PIRES. - "You say you want a (Re)volution": (Re)inventing Systematics. [S-symposium]
  411. S‡NCHEZ-BARACALDO, PATRICIA* AND ROBERT P. GURALNICK. - Multifaceted Heterochrony: Evolution, development, and ecological covariates of leaf morphology in Neotropical ferns. [S]
  412. S‡NCHEZ-BARACALDO, PATRICIA. - A recent radiation of Neotropical fern genera in p‡ramo ecosystems. [O]
  413. SAHASHI, NORIO. - A New Combination of the Ophioglossaceae Using Palynological and Morphological Studies on the Old World. [O]
  414. SALTER, JOSHUA* AND JOHN E. BRAGGINS. - Comparative embryology of two New Zealand forest giants, Prumnopitys taxifolia and P.ferruginea (Podocarpaceae). [D]
  415. SALYWON, ANDREW. - A revision of Moisera(Myrtinae: Myrtaceae). [S]
  416. SáNCHEZ-KEN, JORGE GABRIEL.* AND LYNN G. CLARK. - Overview of the subfamily Centothecoideae (Poaceae). [S]
  417. SANG, TAO*, SONG GE, BAO-RONG LU, AND DE-YUAN HONG. - Phylogeny of rice genomes. [S]
  418. SASTRE-DE JESúS, INéS*, DOLORES GONZáLEZ, AND EFRAIN DE LUNA. - Phylogenetic position of the Neckeraceae (Musci) based on rbcL gene sequences. [L]
  419. SAWYER, NEIL W.*, DONALD H. LES, AND GREGORY J. ANDERSON. - Systematics of Deprea and Larnax (Solanaceae). [S]
  420. SCAHTZ, GEORGE E.1, CHRISTOPHER BIRKINSHAW2, PORTER P. LOWRY II1,3*, FALY RANDRIANTAFIKA2, AND FIDISOA RATOVOSON2. - Endemic plant families of Madagascar: integrating taxonomy and conservation. [S]
  421. SCHAAL, BARBARA A. - Plant population biology and systematics. [S-symposium]
  422. SCHECKLER 1, STEPHEN E.*, DONNA L. LINDSAY POSTNIKOFF 2, AND ERIC J. CHAMEROY 1. - Late Devonian forests with the first large trees (Archaeopteris). [F]
  423. SCHEMSKE, DOUGLAS W. - Ecological genetics of adaptation and speciation: Merging the old and the new. [Z-symposium]
  424. SCHERER, JACQUELINE*, GARLAND R. UPCHURCH, JR., GREG H. MACK, AND MARGARET J. KNAUS. - Foliar physiognomic estimates of climate for the latest Cretaceous: comparative sensitivity to transfer function. [F]
  425. SCHNEIDER, HARALD* AND KATHLEEN M. PRYER. - Spore morphology of heterosporous ferns and its possible implications for understanding the evolution of the seed habit. [D]
  426. SCHORN, HOWARD E.* AND DIANE M. ERWIN. - The impression record history and ecological diversification of Pseudotsuga Carriere (Pinaceae) in western North America during the later half of the Cenozoic. [F]
  427. SCHUETTE, S.W.*, A.R. MADEN, D.P. WHITTIER, AND K.S. RENZAGLIA. - Ultrastructure of the spermatozoid of Diphasiastrum digitatum. [O]
  428. SCHUETTPELZ, ERIC J.* AND SARA B. HOOT. - Phylogeny and biogeography of Anemone (Ranunculaceae) in the Southern Hemisphere based on molecular data. [S]
  429. SCHULTZ, JOANNA*, LEIGH JOHNSON, AND CAROLYN FERGUSON. - Phlox idahonis (Polemoniaceae): Morphologic and molecular approaches to conservation. [S]
  430. SCHWAB, HEIDI C.*, RUTH A. STOCKEY, AND CHARLES E. SCHWEGER. - Ovulate cones of Picea from the Lower Pliocene Ch'ijee's Bluff, Yukon Territory, Canada. [F]
  431. SCHWARZBACH, ANDREA E.* AND LOREN H. RIESEBERG. - Multiple origins of a diploid hybrid species. [S]
  432. SEAGO, JAMES L., JR. - The root cortex of the water lilies and lotuses. [D]
  433. SEILER, GERALD J. - Concentration of Saturated Palmitic and Stearic Fatty Acids in Achene Oil of a Population of Wild Helianthus annuus. [C]
  434. SELF, SHERRY L.*, C. HEATHER FORD, AND BARBARA CRANDALL-STOTLER. - Shoot/sporophyte associations in the Fossombroniineae. [L] [Poster]
  435. SENTERS1, ANNE E.*, DOUGLAS E. SOLTIS1, PAMELA S. SOLTIS1, MICHAEL ZANIS1, SANGTAE KIM2, JAMES D. THOMPSON1, AND ELIZABETH A. ZIMMER3. - Phylogenetic relationships among eudicots based on a combined data set of four genes: rbcL, atpB, 18S rDNA, and 26S rDNA. [S]
  436. SENYO, DIANA M. AND JOHN V. FREUDENSTEIN.* - A molecular phylogeny of Corallorhiza (Orchidaceae) and related genera. [S]
  437. SHIH, BING-LING1,2*, YUEN-PO YANG1, AND SHU-MIAW CHAW2. - Origin of a Rhododendron hybrid in alpine Taiwan: evidence from nuclear and chloroplast phylogeny. [S] [Poster]
  438. SHOCKEY, KARA M.* AND MICHAEL A. VINCENT. - A revision of the Trifolium polymorphum (Fabaceae) species complex. [S] [Poster]
  439. SILLETT, STEPHEN C.*, BRUCE MCCUNE, JERILYNN E. PECK, AND THOMAS R. RAMBO. - Four years of epiphyte colonization in Douglas-fir forest canopies. [L]
  440. SIMMONS, MARK PITKIN* AND HELGA OCHOTERENA. - Effects of gap characters on sequence-based phylogenetic analyses. [S]
  441. SIMMONS, MARK PITKIN*, VINCENT SAVOLAINEN, CURTIS C. CLEVINGER, ROBERT H. ARCHER, AND JERROLD I. DAVIS. - Phylogeny of the Celastraceae inferred from morphology and nuclear and plastid loci. [S]
  442. SIMMONS, SARAH L.* AND JOSE L. PANERO. - Phylogeny and biogeography of Staphyleaceae (DC.) Lindl. [S]
  443. SLOTTA, TRACEY A. B.* AND DUNCAN M. PORTER. - Phylogenetic analysis of Iliamna (Malvaceae) using the internal transcribed spacer (ITS). [S]
  444. SMALL, RANDALL L. - Phylogenetics of Hibiscus section Furcaria (Malvaceae) based on nuclear Adh and ITS sequences. [S]
  445. SMITH, ALAN R.*, HARALD SCHNEIDER, BARBARA S. PARRIS, CHRISTOPHER H. HAUFLER, TOM A. RANKER, JAMES P. THERRIEN, AND JENNIFER M. O. GEIGER. - Phylogeny of Grammitidaceae and Polypodiaceae inferred from two large data sets: rbcL and morphology. [O]
  446. SMITH, JAMES F.* AND TERRY A. BATEMAN. - Genetic differentiation of rare and common varieties of Eriogonum shockleyi (Polygonaceae) in Idaho using ISSR variability. [S]
  447. SMITH, R. ALAN*, DIANE M. FERGUSON, TODD J. BARKMAN, AND CLAUDE W. DEPAMPHILIS. - Molecular phylogenetic evidence for the origin of Lennoaceae: A case of adelphoparasitism in the angiosperms? [S]
  448. SMITH, SELENA Y.* AND RUTH A. STOCKEY. - A permineralized Pityostrobus cone (Pinaceae) from the Cretaceous of British Columbia. [F] [Poster]
  449. SOLTIS, DOUGLAS E.*, LARRY HUFFORD, AND ROBERT K. KUZOFF. - Gynoecial diversification in Saxifragaceae: clarifying the evolution of epigyny. [D]
  450. SOZA, VALERIE L. 1*, STEVE BOYD1, AND ANDREW C. SANDERS2. - Phytogeographic "black holes" in southern California botany, a geographic information systems (GIS) model based on herbarium collections of two representative genera, Camissonia and Salvia. [S] [Poster]
  451. SPJUT, RICHARD W. - A phytogeographical analysis and classification of leaf characteristics of Taxus (Taxaceae). [S]
  452. SPJUT, RICHARD W. - A revised taxonomic key to the species and varieties of Taxus (Taxaceae). [S] [Poster]
  453. SPJUT, RICHARD W. - The morphological relationships of Taxus canadensis (Taxaceae) in North America and Eurasia. [S]
  454. STANFORD, ALICE M.* AND CLIFFORD R. PARKS. - Phylogeny of Castanea (Fagaceae) based matK sequence data. [S]
  455. STARK, LLOYD R. - Widespread sporophyte abortion following summer rains in Mojave Desert populations of Grimmia orbicularis. [L]
  456. STEELE, K. P.*, L. YANG, M. SABIR, AND M. F. WOJCIECHOWSKI. - Phylogenetic relationships of the tribes Trifolieae and Vicieae (Fabaceae) using sequences of Mendel's stem length gene, Le. [S]
  457. STEELE, K.P.*, E. TIZON, R.C. EVANS, C.S. CAMPBELL, AND M.F. WOJCIECHOWSKI. - Sister group relationships of Fabaceae and Rosaceae: phylogenetic relationships of Eurosids I. [S]
  458. STEFANOVIC, SASA* AND RICHARD G. OLMSTEAD. - Molecular systematics of Convolvulaceae inferred from cpDNA sequences. [S]
  459. STEHLIK, IVANA* AND ROLF HOLDEREGGER. - Spatial genetic structure and clonal diversity of Anemone nemorosa in late successional deciduous woodlands of Central Europe. [E] [Poster]
  460. STEHLIK, IVANA*, JOHANN JAKOB SCHNELLER, AND KONRAD BACHMANN. - Molecular evidence for nunatak survival of the high-alpine plant Eritrichium nanum within the Central Alps. [S]
  461. STEINMANN, VICTOR W. - Comparative anatomy of the New World succulent Euphorbia(Euphorbiaceae). [D]
  462. STENSVOLD, MARY CLAY. - The conservation status of Ophioglossaceae in southern Alaska. [O-symposium]
  463. STEVENS, PETER F. - Organisms, form and characters. [D-symposium]
  464. STOTLER, RAYMOND E.*, JAMES R. BRAY, JR., AND D. CHRISTINE CARGILL. - Typifications in the genus Fossombronia (Marchantiophyta) - Problems and solutions. [L]
  465. STRAUB, PETER F. - Construction of a putA -GUS reporter gene for insertion in the nitrogen fixing symbiont Bradyrhizobium japonicum. [P]
  466. STROTHER, PAUL K. - The cryptospore record indicates a Cambrian origin for land plants. [F]
  467. STRUWE, LENA* AND VICTOR A. ALBERT. - Mycotrophic, non-chlorophyllous Voyria placed in Gentianaceae. [S]
  468. STRUWE, LENA* AND VICTOR A. ALBERT. - Supermerous corollas, fleshy fruits, and pantropical biogeography in Anthocleista, Fagraea, and Potalia (Gentianaceae). [S]
  469. STUBBS, CONSTANCE S. - Long-term biomonitoring (1988--1998): lichen distribution, abundance, and health on red spruce, Picea rubens Sarg. [L] [Poster]
  470. SUN, FENG-JIE*, STEPHEN R. DOWNIE, AND RONALD L. HARTMAN. - A phylogenetic study of Cymopterus and related genera. [S]
  471. SUN, XIAOYONG AND ROGER D. MEICENHEIMER.* - Auxin Distribution in Pisum sativum Shoot Apical Meristems. [D] [Poster]
  472. SUNDBERG, SCOTT D. - The Oregon Flora Project. [S] [Poster]
  473. SYTSMA, KENNETH J., JEFFREY MORAWETZ*, J. CHRIS PIRES, AND CLIFFORD W. MORDEN. - Phylogeny of the Urticales based on three molecular data sets, with emphasis on relationships within Urticaceae. [S]
  474. TAGGART, RALPH E. AND AUREAL T. CROSS.* - Ecological dynamics of Eocene Lake Florissant, Colorado. [F]
  475. TANK, DAVID C.* AND TAO SANG. - The glycerol-3-phosphate acyltransferase gene in Paeonia (Paeoniaceae): molecular evolution and phylogenetic utility. [S]
  476. TARBAEVA, VERONICA. - Structural evolution of seeds in gymnosperms. [D]
  477. TAYLOR, ROBIN MARIE. - The phylogeny and adaptive radiation of Salvia pachyphylla (Lamiaceae). [S] [Poster]
  478. TAYLOR, THOMAS N.*, EDITH L. TAYLOR, MICHAEL KRINGS, AND HANS KERP. - Reconstruction of the climbing late Paleozoic seed fern Pseudomariopteris busquetii. [F]
  479. TAYLOR, W. CARL* AND SARA B. HOOT. - Evolutionary relationships and biogeography of Isoetesbased on nucleotide sequences. [O]
  480. TAYLOR, WILSON. - Ultrastructural variability of lower Paleozoic trilete spores. [F]
  481. THERRIEN, JAMES P.* AND CHRISTOPHER H. HAUFLER. - Phylogeny and biogeography of Selaginella subg. Tetragonostachys based on nuclear ribosomal ITS sequence data. [O]
  482. THERRIEN, JAMES P.*, MICHAEL D. WINDHAM, AND CHRISTOPHER H. HAUFLER. - Hybridization and putative allotetraploid speciation in Selaginella subg. Tetragonostachys. [O]
  483. THOMPSON, JONATHAN E. AND SUSAN R. KEPHART.* - Varietal and species relationships of the Silene douglasii complex as delimited by pollen ultrastructure. [S] [Poster]
  484. TIDWELL, WILLIAM D.*, LEITH S. TIDWELL, DEBRA L. MICKELSON, DAN S. CHANEY, AND AMANDA L. HANSEN. - A new flora from the Lower Permian Cedar Mesa Sandstone near Canyonlands National Park, Utah. [F] [Poster]
  485. TIDWELL, WILLIAM D.*, SIDNEY R. ASH, AND LEITH S. TIDWELL. - Two new species of Charliea from Pennsylvanian - Permian strata of New Mexico and Utah. [F] [Poster]
  486. TIFFNEY, BRUCE H.* AND NORMAN WANG. - Seeds of Rhododendron from the Eocene of California. [F]
  487. TIFFNEY, BRUCE H.* AND STEVEN R. MANCHESTER. - Physical Influences on Phytogeographic Continuity in the Northern Hemisphere Tertiary. [S-symposium]
  488. TISCHNER, TATE*, LOREEN ALLPHIN, KEVIN CHASE †, JIM ORF ‡, AND KARL G. LARK †. - Genetics of seed abortion and reproductive traits in soybean, Glycine max (L.) Merr., II. [G]
  489. TOMESCU, ALEXANDRU MIHAIL FLORIAN. - The seed fern Lyginopteris in the Mississippian of North America. [F]
  490. TREMETSBERGER, KARIN, TOD STUESSY*, ROSE SAMUEL, AND CARLOS BAEZA. - High levels of genetic variation and multiple origins for newly established populations of Hypochaeris tenuifolia (Asteraceae) on Volcan Lonquimay, Chile. [S]
  491. TRIPP, BRADLEY B. AND JOHN C. MOORE.* - Food webs in saxicolous lichens (Xanthoparmelia ssp.) a comparison of lichen, litter, and soil microhabitats. [E]
  492. TRUSTY, JENNIFER L.*, DAVID J. BOGLER, ARNOLDO SANTOS-GUERRA, RICHARD G. OLMSTEAD, AND JAVIER FRANCISCO-ORTEGA. - Tracing the origin of the Macaronesian endemic genus Bystropogon (Lamiaceae). [S]
  493. TULIG, MELISSA* AND CURTIS CLARK. - Morphological Variation in Mimulus section Diplacus (Scrophulariaceae). [S] [Poster]
  494. TURNER, GLENN W.* AND RODNEY B. CROTEAU. - Development of peltate glandular trichomes of peppermint. [D]
  495. UHINK, CHRISTIAN H. - Molecular phylogeny and evolutionary trends in Plumbaginaceae JUSS. [S]
  496. UNGAR, IRWIN A.* AND M. AJMAL KHAN. - Effect of bracteoles on the seeds of two species of Atriplex. [E] [Poster]
  497. URBATSCH, LOWELL E. - Phylogeny of the Rudbeckiinae (Heliantheae, Asteraceae) based on cpDNA restriction site data and ITS, ETS, and 5', 3' trnK sequence data. [S] [Poster]
  498. VALENTINE, LORI*, HAROLD BERNINGHAUSEN, AND DARLENE SOUTHWORTH. - Mycorrhizae on Quercus garryana at Whetstone Savanna in Southern Oregon. [E] [Poster]
  499. VANDEN HEUVEL, BRIAN DAVID* AND C. RANDAL LINDER. - A Molecular Phylogeny for Cercocarpus H.B.K. (Rosaceae) using the External Transcribed Spacer of the Nuclear Ribosomal Repeat. [S]
  500. VAZQUEZ, M. LUCIA*, JEFF J. DOYLE, AND KEVIN C. NIXON. - Paralogous ITS loci in Mexican red oak species (Quercus section Lobatae) and their implications in phylogeny reconstruction. [S]
  501. VERHEY, STEVEN D.* AND STEVEN STEFANIDES. - The plastid genome project: integrated cell biology/molecular biology/genomics teaching laboratory. [T]
  502. VINCENT, MICHAEL A.* AND KARA M. SHOCKEY. - Is Trifolium polymorphum native to North America or introduced? [S] [Poster]
  503. VON BALTHAZAR, MARIA*, YIN-LONG QIU, AND PETER K. ENDRESS. - Phylogenetic relationships and character evolution in Buxaceae. [S] [Poster]
  504. VON KONRAT, MATTHEW J.* AND JOHN E. BRAGGINS. - Studies on sporophytic characters in Frullaniaceae (Hepaticae) using novel techniques. [L]
  505. WAITT, DAMON E.*, SARAH HOFFMAN, AND JOCYLEN FOURNET. - Meristic variation in wild and cultivated populations of Phlox drummondii. [G]
  506. WALCK, JEFFREY L.1*, NOBUO OKAGAMI2, AND SITI N. HIDAYATI3. - Germination ecophysiology of the Asian Osmorhiza aristata (Apiaceae), and comparison with its North American congeners. [E]
  507. WALL, DENNIS P. - Population structure and diversfication patterns in the paleotropic endemic moss, Mitthyridium. [L]
  508. WALL, DENNIS P.* AND JOSH T. HERBECK. - Codon Usage in Green Plants: an Analysis Using rbcL. [G]
  509. WALLACE, LISA E. - The significance of population size on reproductive success and genetic variability in the Eastern Prairie White Fringed Orchid, Platanthera leucophaea. [S]
  510. WALLACE, ROBERT S. - Taxonomic placement of morphologically anomalous genera of Cactaceae subfamily Cactoideae. [S]
  511. WALLANDER, EVA. - Phylogenetic relationships among the Ashes of the world, Fraxinus (Oleaceae). [S]
  512. WALLICK, KYLE P.*, MIA MOLVRAY, PAUL J. KORES, AND WAYNE J. ELISENS. - A phylogenetic analysis of Buddlejaceae s.s. inferred from the trnL region of cpDNA. [S] [Poster]
  513. WANDERSEE, JAMES H.* AND ELISABETH E. SCHUSSLER. - National Survey on the Public's Perception of Plants. [T]
  514. WANG, XIAO-QUAN, DAVID C. TANK*, AND TAO SANG. - Phylogeny and divergence times in Pinaceae: evidence from three genomes. [S]
  515. WANG, XIN* AND DAVID DILCHER. - Study of Ternstroemites Leaves and Their Relationships With Living Gordonia. [F] [Poster]
  516. WATERMAN, MARGARET A* AND ETHEL STANLEY. - Investigative Case-Based Learning. [T-symposium]
  517. WATKINS, JR., JAMES E.* AND DONALD R. FARRAR. - Biosystematic investigation of the rare, disjunct, rockhouse fern Thelypteris pilosa var. alabamensis (Thelypteridaceae: Stegnogramma). [O]
  518. WATKINS, JR., JAMES E.* AND J. DAN PITTILLO. - The Conservation Status of Ophioglossaceae in the Southeastern United States. [O-symposium]
  519. WATSON, MAXINE A.* AND CYNTHIA S. JONES. - Developmentally-dependent interactions between mayapple, Podophyllum pelatum L. (Berberidaceae) and its associated mycorrhizal fungi. [E]
  520. WATSON, MAXINE A.*, CYNTHIA S. JONES, AND YING LU. - Variation in the expression of developmental and phenological traits in mayapple, Podophyllum pelatum L. (Berberidaceae). [E]
  521. WEAKLEY, ALAN S.*, MELISSA M. KARANOSKY, AND LARRY E. MORSE. - Conservation priorities for North American bryophytes and lichens: A progress report. [L]
  522. WEBER, DARRELL J., WILFORD M. HESS*, BULQUES GUL, M. AJMAL KHAN, AND SAM ST. CLAIR. - Halophytic fungi from an inland salt playa of the Great Basin. [E] [Poster]
  523. WEEKLEY, CARL W.* AND TAMMERA RACE. - The breeding system of Ziziphus celata Judd and D. Hall (Rhamnaceae), a rare endemic shrub of the Lake Wales Ridge, Florida: implications for recovery. [E]
  524. WEESE, TERRI L.* AND LEIGH A. JOHNSON. - Taxonomic limits and phylogenetic affinities of Saltugilia: molecular and morphological support for generic recognition apart from Gilia. [S]
  525. WEN, JUN. - The evolution of eastern Asian and eastern North American plant disjunctions: overview and perspectives from phylogenetic studies. [S-symposium]
  526. WERNER, N. MISA* AND ROBERT A. PRICE. - Phylogeny and morphological evolution of Marcgraviaceae: insights from three chloroplast genes. [S] [Poster]
  527. WETZEL, SABINE B., ALAN PATON, KONRAD BACHMANN, AND FRANK R. BLATTNER.* - Phylogenetic studies within the genus Ocimum L. (Labiatae) based on ITS sequences of the nrDNA. [S] [Poster]
  528. WHEELER, ELISABETH A.* AND STEVEN R. MANCHESTER. - Survey of the diverse middle Eocene wood assemblage of the Clarno Formation, northcentral Oregon. [F]
  529. WHEELER, JOHN A. - A phylogenetic analysis of the genus Riccia L. (Marchantiales): volatile morphology that is not reflected in the underlying genetic history. [L]
  530. WHEELER, JOHN A.*, DENNIS P. WALL, KIRSTEN JOHANNES, AND BRENT D. MISHLER. - Congruence and convergence in the moss family Calymperaceae: phylogenetic analysis of two chloroplast genes (rbcL and rps4) and Morphology. [S]
  531. WHITE, JAMES W.*, PATRICIA A. PERONI, DAVID E. MCCAULEY, AND CHRISTOPHER M. RICHARDS. - Effects of inbreeding and light treatments on the germination responses of Silene latifolia seeds. [E] [Poster]
  532. WHITKUS, RICHARD* AND TIMOTHY K. LOWREY. - Genetic marker diversity in Hawaiian and Cook Island Tetramolopium (Asteraceae). [G]
  533. WHITLOCK, BARBARA A. - Phylogenetics of Byttneria and Ayenia (Sterculiaceae or Malvaceae s.l.): Biogeography and evolution of growth form in a large group of tropical woody plants. [S]
  534. WHITLOCK, BARBARA A.*, KENNETH G. KAROL, AND WILLIAM S. ALVERSON. - Chloroplast DNA sequences confirm the placement of Oceanopapaver within the Grewioideae (Tiliaceae or Malvaceae s.l.). [S] [Poster]
  535. WHITSON, MARY KATHRYN. - Does hybridization play a role in the morphological similarity between Physalis arenicola (Solanaceae) and a co-occurring, closely related species? [S] [Poster]
  536. WHITTEMORE-OLSON, A. A.*, A. MOSIER, AND JOHN C. MOORE. - Effects of elevated atmospheric carbon dioxide on micro-arthropod populations of the Shortgrass Steppe. [E] [Poster]
  537. WHITTIER, DEAN P. - Gametophyte and young sporophyte development in the Ophioglossaceae. [O-symposium]
  538. WILDE, VOLKER*, HERBERT FRANKENHAEUSER, AND BIRGIT NICKEL. - A chloranthaceous inflorescence with pollen in situ from the Middle Eocene of Germany. [F]
  539. WILL-WOLF, SUSAN. - Lichen communities of old-growth vs managed forests in the northern Great Lakes states. [L]
  540. WILLIAMS, JOSEPH H., JR.*, WILLIAM E. FRIEDMAN, AND MICHAEL L. ARNOLD. - Interspecific pollen competition in a diploid-polyploid hybrid zone in birch (Betula). [G] [Poster]
  541. WILLISTON, PATRICK S. - Successional patterns of microbiotic crusts in ponderosa pine forests of southern inland British Columbia. [L]
  542. WILLISTON, PATRICK* AND PAULA BARTEMUCCI. - The Ophioglossaceae of British Columbia. [O] [Poster]
  545. WILSON, CHESTER E.* AND ERIN L. BRASSIL. - Variation in fluctuating asymmetry among genotypes of Glechoma hederacea. [E] [Poster]
  546. WILSON, HUGH D. - Botanical informatics and full text indexing, compression, and retrieval. [S]
  547. WILSON, HUGH D. - Informatics: new media and paths of data flow. [S-symposium]
  548. WOLF, STEVEN J. - Teaching, research and collaborative applications of Internet based video conferencing. [S]
  549. WOLFE, ANDREA D. - In the Trenches: Scientific Outreach from the Perspective of a Working Scientist. [S-symposium]
  550. WOLFE, ANDREA D. - Symposium: Scientific Outreach for the Next Millennium. [S-symposium]
  551. WOLFE, ANDREA D. - Using ISSR markers in studies of natural populations. [workshop]
  552. WOLFE, ANDREA D.*, CHRISTOPHER P. RANDLE, AND SHANNON L. DATWYLER. - Phylogeography and character evolution of the genus Penstemon (Scrophulariaceae). [S]
  553. WON, HYOSIG* AND SUSANNE S. RENNER. - Why so many dioecious species in Siparunaceae (Laurales)? [S]
  554. WONG, THEODORE G.* AND DAVID D. ACKERLY. - How sensitive should plants be to cues? Theoretical studies of plastic reproduction schedules. [E]
  555. XIANG, (JENNY) QIU-YUN* AND DOUGLAS E. SOLTIS. - Phylogenetic Patterns and Divergent Times of Disjunct Taxa: Insights into Historical Biogeography of Angiosperms in the Northern Hemisphere . [S-symposium]
  556. YAHR, REBECCA. - Post-fire recovery of terrestrial lichens in Florida scrub, with emphasis on Cladonia perforata. [L]
  557. YIP, KWOK LEUNG. - Lectotypification of Pleuridium subulatum and P. acuminatum (Bryophyta). [L]
  558. YOO, KI-OUG*, P. P. LOWRY, J. L. WALCK, AND JUN WEN. - A Phylogenetic and Biogeographic Analysis of OSMORHIZA (Apiaceae) Based on ITS and ndhF Sequences. [S] [Poster]
  559. YOUNG, NELSON D.*, CAROLINE YOON, AND MITRA AZODI. - Speciation by allopolyploidy in Castilleja: the case of C. dissitifora. [S]
  560. YU, JING*, TONG CAO, AND QUANXI WANG. - Studies on spore morphology of the genera Trematodon and Microcampylopus (Dicranaceae) from China by SEM. [L] [Poster]
  561. ZAGóRSKA-MAREK, BEATA AND ALICJA, S. BANASIAK.* - Vascular homodromy in branching shoots of conifers. [D] [Poster]
  562. ZAHN, LAURA M. - Population dynamics of the gyndioecious Bouteloua chondrosioides (Spruce-top grama). [G]
  563. ZEREGA (1,2), NYREE J.CONARD*, DIANE RAGONE (3), AND TIMOTHY J. MOTLEY (1). - Artocarpus phylogenetics and AFLP genetic fingerprinting of breadfruit cultivars Artocarpus altilis. [S]
  564. ZIKA, PETER* AND KATHLEEN E. AHLENSLAGER. - Conservation status of Ophioglossaceae in the western United States. [O-symposium]
  565. ZJHRA, MICHELLE L. - Preliminary findings of evolutionary and ecological aspects of cauliflory. [S]