MONDAY AFTERNOON, 7 AUGUST 2000


LUNCHEON: AFS (Ticketed Event). Holiday Inn, Windows Lounge - 12:00-1:30 PM


LUNCHEON: American Journal of Botany Associate Editors. OCC, C 122 - 12:00-1:30 PM


SESSION 9 OCC, B 117-119

CONTRIBUTED PAPERS: ASPT / Systematics Section, BSA - Gymnosperms, LVPís, bryophytes, fungi, floras

Presiding: THOMAS G. LAMMERS, Department of Biology and Microbiology, University of Wisconsin-Oshkosh, Oshkosh, WI 54901-8640. Tele: 920-424-7085 , E-mail: lammers@uwosh.edu

1:00 9-1 GERNANDT, DAVID S.; AARON LISTON*; AND DANIEL PIÑERO. Universidad Nacional Autónoma de México; Oregon State University, Corvallis. Nuclear ribosomal DNA internal transcribed spacer region polymorphism and its implications for phylogenetic inference in Pinus subsection Cembroides.

1:15 9-2 WANG, XIAO-QUAN; DAVID C. TANK*; AND TAO SANG. The Chinese Academy of Sciences, Beijing, China; Michigan State University, East Lansing. Phylogeny and divergence times in Pinaceae: evidence from three genomes.

1:30 9-3 SPJUT, RICHARD W. World Botanical Associates, Laurel, MD. A phytogeographical analysis and classification of leaf characteristics of Taxus (Taxaceae).

1:45 9-4 SPJUT, RICHARD W. World Botanical Associates, Laurel, MD. The morphological relationships of Taxus canadensis (Taxaceae) in North America and Eurasia.

2:00 9-5 LITTLE, DAMON P. Cornell University, Ithaca, NY. Phylogenetic relationship and monophyly of Cupressus and Chamaecyparis (Cupressaceae): molecular and organismal evidence.

2:15 9-6 BOGLER, DAVID J.*; AND JAVIER FRANCISCO-ORTEGA. Fairchild Tropical Garden, Miami, FL. Phylogeny of the cycads (Cycadales) based on chloroplast DNA gene spacers and ITS rDNA sequences.

2:30 9-7 ICKERT-BOND, STEFANIE M. Arizona State University, Tempe. Micromorphological and cytological patterns among New World species of Ephedra L. (Ephedraceae).

2:45 9-8 SÁNCHEZ-KEN, JORGE GABRIEL*; AND LYNN G. CLARK. Iowa State University, Ames. Overview of the subfamily Centothecoideae (Poaceae).

3:00 BREAK

3:15 9-9 GOFFINET, BERNARD*; AND A. JONATHAN SHAW. University of Connecticut, Storrs; Duke University, Durham, NC. Dung and carcasses, the ultimate habitat within the dung-moss family (Splachnaceae)? Answers from a phylogenetic study based on cp DNA sequence data.

3:30 9-10 WHEELER, JOHN A.*; DENNIS P. WALL; KIRSTEN JOHANNES; AND BRENT D. MISHLER. University of California, Berkeley. Congruence and convergence in the moss family Calymperaceae: phylogenetic analysis of two chloroplast genes (rbcL and rps4) and morphology.

3:45 9-11 REE, RICHARD H.*; MICHAEL J. DONOGHUE; AND DAVID E. BOUFFORD. Harvard University, Cambridge, MA. Plant diversity of the Hengduan Mountain region of China.

4:00 9-12 LUTZONI, FRANCOIS*; MARK PAGEL; AND VALERIE REEB. The Field Museum, Chicago, IL; University of Reading, Whiteknights, UK; University of Illinois at Chicago. Contribution of the lichen symbiosis to the diversification of ascomycetes: A new approach to determining confidence levels for ancestral character states.

4:15 9-13 BOYLE, TATIANA G. Sustainable Ecosystems Institute, Portland, OR.

On the comparative analisys of the Pacific Northwest - Northeast Floras.

4:30 9-14 CLARKE, H. DAVID*; AND VICKI FUNK. Smithsonian Institution, Washington, DC. Analyzing checklists and using collections data to investigate plant diversity: An examination of five florulas from northeastern South America.

4:45 9-15 BIDARTONDO, MARTIN I.*; AND THOMAS D. BRUNS. University of California, Berkeley. Patterns of extreme specificity in the monotropoid mycorrhizal symbiosis.


SESSION 10 OCC, B 110-112

CONTRIBUTED PAPERS: ASPT / Systematics Section, BSA - Various families

Presiding: M. LUCIA VAZQUEZ, L. H. Bailey Hortorium, Cornell University, Ithaca, NY 14853. Tele: 607-255-8916 E-mail: mlv7@cornell.edu.

1:00 10-1 SYTSMA, KENNETH J.; JEFFREY MORAWETZ*; J. CHRISTOPHER PIRES; AND CLIFFORD W. MORDEN. University of Wisconsin, Madison; University of Hawaii-Manoa, Honolulu. Phylogeny of the Urticales based on three molecular data sets, with emphasis on relationships within Urticaceae.

1:15 10-2 BERRY, PAUL E.*; AUSTIN R. MAST; WILLIAM H. HAHN; AND KENNETH J. SYTSMA. University of Wisconsin, Madison. Evaluation of sectional delimitations in Fuchsia (Onagraceae) using chloroplast and nuclear DNA sequence data.

1:30 10-3 HOGGARD, GLORIA; RON HOGGARD; MIA MOLVRAY; AND PAUL KORES.* Oklahoma Biological Survey, University of Oklahoma, Norman. A phylogenetic analysis of Gaura (Onagraceae) based on ITS sequence data.

1:45 10-4 OCHOTERENA, HELGA. Cornell University, Ithaca, NY. Phylogeny and character evolution in Hintonia (Rubiaceae) and related taxa.

2:00 10-5 MALCOMBER, SIMON T.*; AND ELIZABETH A. KELLOGG. Missouri Botanical Garden, Saint Louis; University of Missouri, Saint Louis. Gaertnera (Rubiaceae): a rapid radiation based on sequence data from three nuclear DNA sequence data sets.

2:15 10-6 GABEL, JOHN D.*; DONALD H. LES; W. ALAN CHARLTON; AND ALLEN J. COOMBES. University of Connecticut, Storrs; Manchester University, Manchester, UK; The Sir Harold Hillier Gardens and Arboretum, Romsey Hampshire, UK. Phylogeny of Azara (Flacourtiaceae).

2:30 10-7 MCDADE, LUCINDA A.*; THOMAS F. DANIEL; AND KATHERINE M. RILEY. University of Arzona, Tucson; California Academy of Sciences, San Francisco; University of Arizona, Tucson. Phylogenetic relationships within the enigmatic tribe Justicieae (Acanthaceae).

2:45 10-8 DOWNIE, STEPHEN R. University of Illinois, Urbana. Tribes and clades within Apiaceae subfamily Apioideae: the contribution of molecular data.

3:00 BREAK

3:15 10-9 WEESE, TERRI L.*; AND LEIGH A. JOHNSON. North Carolina State University, Raleigh, Brigham Young University, Provo, UT. Taxonomic limits and phylogenetic affinities of Saltugilia: molecular and morphological support for generic recognition apart from Gilia.

3:30 10-10 JOHNSON, LEIGH A. Brigham Young University, Provo, UT. Sinister speciation: elucidating phylogeny and taxonomy in a cryptic species complex in Polemoniaceae.

3:45 10-11 PELL, SUSAN K.*; AND LOWELL URBATSCH. Louisiana State University, Baton Rouge. Evaluation of evolutionary relationships in Anacardiaceae using matK sequence data.

4:00 10-12 ENDRESS, MARY E. ET AL. University of Zurich, Switzerland. Arils, wings, and other sneaky things: coming to terms with the Alyxieae (Apocynaceae).

4:15 10-13 SALYWON, ANDREW. Arizona State University, Tempe. A revision of Moisera (Myrtinae: Myrtaceae).

4:30 10-14 NEINHUIS1, CHRISTOPH*; W. HILU KHIDIR2; AND THOMAS BORSCH 1. 1Universität Bonn, Germany; 2 Virginia Tech. University, Blacksburg. Systematics of Aristolochiaceae: Molecular evidence.

4:45 10-15 VAZQUEZ, M. LUCIA*; JEFF J. DOYLE; AND KEVIN C. NIXON. Cornell University, Ithaca NY. Paralogous ITS loci in Mexican red oak species (Quercus section Lobatae) and their implications in phylogeny reconstruction.


SESSION 11 OCC, A 105-106

SYMPOSIUM: ASPT / ABLS / AFS / BSA Teaching Section - Scientific outreach for the next millennium

Organized by: ANDREA D WOLFE, Department of Evolution, Ecology, and Organsimal Biology, The Ohio State University, Columbus, OH 43210. Tele: 614-292-0267 E-mail: wolfe.205@osu.edu.

Presiding: ANDREA D WOLFE, The Ohio State University, Columbus.

1:00 11-1 WOLFE, ANDREA D. The Ohio State University, Columbus. In the Trenches: Scientific Outreach from the Perspective of a Working Scientist.

1:30 11-2 PRANCE, GHILLEAN. Royal Botanical Gardens, Kew, UK.. Title to be announced.

2:00 11-3 ANDERSON, GREGORY J. University of Connecticut, Storrs. Professional societies and promotion of the biological sciences: Will this be the "Century of Biology?"

2:30 11-4 BROADBENT, NAN. American Association for the Advancement of Science, Washington, D.C. Scientific outreach endeavors of professional societies.

3:00 BREAK

3:15 11-5 HILL, RICHARD. The Oregonian, Portland, OR. Scientists and journalists: Worlds in collision?

3:45 11-6 DIETRICH, WILLIAM. The Seattle Times, Seattle, WA. Science for People Who Don't Like Science: The perspective of a journalist and novelist.


SESSION 12 OCC, A 107-109

CONTRIBUTED PAPERS: Paleobotanical Section, BSA

Presiding: BRIAN J. AXSMITH, Department of Biology - Life Sciences Bldg., University of South Alabama, Mobile, AL 36608. Tele: 334-460-7528, E-mail: baxsmith@jaguar1.usouthal.edu.

1:00 12-1 STROTHER, PAUL K. Weston Observatory of Boston College Weston, MA. The cryptospore record indicates a Cambrian origin for land plants.

1:15 12-2 TAYLOR, WILSON A. University of Wisconsin-Eau Claire. Ultrastructural variability of lower Paleozoic trilete spores.

1:30 12-3 MAPES, GENE*1, KEQIN SUN2, MICHAEL KRINGS3, GAR W. ROTHWELL1, and ROYAL H. MAPES1. 1Ohio University, Athens; 2China University of Geosciences, Beijing; and 3University of Kansas, Lawrence. The earliest occurrence of Medullosa.

1:45 12-4 SCHECKLER, STEPHEN E.*1, DONNA L. LINDSAY POSTNIKOFF2, and ERIC J. CHAMEROY1. 1Virginia Polytechnic Institute & State University, Blacksburg,; 2University of Saskatchewan, Saskatoon, Canada. Late Devonian forests with the first large trees (Archaeopteris).

2:00 12-5 KLAVINS, SHARON D. University of Kansas, Lawrence. Anatomically preserved gymnosperms from the Late Devonian of Ireland.

2:15 12-6 TAYLOR, THOMAS N.*, EDITH L. TAYLOR, MICHAEL KRINGS, and HANS KERP. University of Kansas, Lawrence and Westfälische Wilhelms-Universität Münster, Germany. Reconstruction of the climbing late Paleozoic seed fern Pseudomariopteris busquetii.

2:30 BREAK

2:45 12-7 DOYLE, JAMES A. University of California, Davis. Congruence of molecular phylogenies and the Early Cretaceous angiosperm record.

3:00 12-8 DILCHER, DAVID L.*, ANA FLORA MANDARIM-DE-LACERDA, ALCINA M. F. BARRETO, and MARY E. C. BERNARDES-DE-OLIVEIRA. University of Florida, Gainesville; Universidade do Estado do Rio de Janeiro, Brazil; Universidade Federal, Brazil. Selected fossils from the Santana Formation, Chapada do Araripe, Brazil.

3:15 12-9 BORGARDT, SANDRA J.*, KEVIN C. NIXON, and WILLIAM L. CREPET. Cornell University, Ithaca, NY. A Turonian inflorescence bearing perigynous flowers of a lower rosid affinity.

3:30 12-10 TIFFNEY, BRUCE H.* and NORMAN WANG. University of California, Santa Barbara. Seeds of Rhododendron from the Eocene of California.

3:45 12-11 MANCHESTER, STEVEN R. Florida Museum of Natural History, Gainesville. Leaves and fruits of Aesculus antiquorum (Newberry) Iljinskaya (Sapindales) from the Paleocene of North America.

4:00 12-12 PIGG, KATHLEEN B.* and WESLEY C. WEHR. Arizona State University,, Tempe and University of Washington, Seattle. Trochodendron (Trochodendraceae) from the early middle Eocene Republic Flora, Washington, USA.

4:15 12-13 WILDE, VOLKER*1, HERBERT FRANKENHAEUSER 2, and BIRGIT NICKEL1. 1Forschungsinstitut Senckenberg, Palaeobotanik, Frankfurt am Main, Germany; 2Naturhistorisches Museum Mainz/Landessammlungen fuer Naturkunde Rheinland-Pfalz, Reichklarastr., Mainz, Germany. A chloranthaceous inflorescence with pollen in situ from the Middle Eocene of Germany.

4:30 12-14 CROSS, AUREAL T.* and MYUNG SUK YI. Michigan State University, East Lansing; Yonsei University, Seoul, Korea. K-T boundary hiatus, Wasatch Plateau environs, Utah, U.S.A.


SESSION 13 OCC, C 125-126

CONTRIBUTED PAPERS: ABLS / Bryological and Lichenological Section, BSA - Conservation, ecology and morphology of lichens and bryophytes

Presiding: Bruce McCune, Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331-2902. Tele: 541-737-1741, E-mail: mccuneb@bcc.orst.edu.

1:30 13-1 GLEW, KATHERINE. Field Museum, Chicago, IL. Lichen conservation: Rare lichens found in Washington State.

1:45 13-2 WEAKLEY, ALAN S.*, MELISSA M. KARANOSKY and LARRY E. MORSE. The Nature Conservancy, Arlington, VA. Conservation priorities for North American bryophytes and lichens: A progress report.

2:00 13-3 MEIJER, WILLEM. University of Kentucky, Lexington. Aims and prospects for the global biodiversity studies of bryophytes, hornworts and lichens.

2:15 13-4 MIADLIKOWSKA, JOLANTA* and FRANCOIS LUTZONI. The Field Museum, Chicago, IL. Coevolution of symbiotic associations within peltigerous lichens (Peltigerineae, Ascomycota).

2:30 13-5 JESSUP, STEVEN LEE. Southern Oregon University, Ashland. Phycobiont fidelity in Umbilicaria.

2:45 13-6 BENNETT, JAMES P. University of Wisconsin, Madison. Algal layer thickness in Parmelia sulcata as an environmental indicator.

3:00 BREAK

3:15 13-7 DUCKETT, JEFFREY G.*, ROBERTO LIGRONE, NEIL ANDREWS and KAREN SUE RENZAGLIA. Queen Mary and Westfield College, London, England. The enigma of pegged and smooth rhizoids in marchantialean hepatics; a functional explanation.

3:30 13-8 LIGRONE, ROBERTO*, KAREN SUE RENZAGLIA, NEIL ANDREWS and JEFFREY G. DUCKETT. Secondo Ateneo Napoletano, Caserta, Italy. Multiple evolution of water-conducting systems in bryophytes.

3:45 13-9 RICE, STEVEN K.* and DAVID COLLINS. Union College, Schenectady, NY. Living within boundary layers: The functional significance of variation in bryophyte canopy structure.

4:00 13-10 EAKIN, DAVID A. Eastern Kentucky University, Richmond. Preliminary results of a study of the unique peristome of the genus Macrohymenium (Sematophyllaceae) using conventional and scanning electron microscopy.


SESSION 14 OCC, A 103-104

CONTRIBUTED PAPERS: Developmental and Structural Section, BSA - Floral ontogeny

Presiding: J. PHIL GIBSON, Department of Biology, Agnes Scott College, Decatur, GA 30030. Tele: 404-471-6267, E-mail: pgibson@agnesscott.edu.

1:30 14-1 HARDY, CHRISTOPHER R.* AND DENNIS W. STEVENSON. Cornell University, Ithaca and New York Botanical Garden, Bronx. The unusual androecium and pollination system in Cochliostema (Commelinaceae).

1:45 14-2 SOLTIS, DOUGLAS E.*, LARRY HUFFORD, AND ROBERT K. KUZOFF. Washington State University, Pullman and University of California, Davis. Gynoecial diversification in Saxifragaceae: clarifying the evolution of epigyny.

2:00 14-3 FISHBEIN, MARK*, LARRY HUFFORD, AND DOUGLAS E. SOLTIS. Washington State University, Pullman. Reversals to hypogyny in Saxifragales: comparative ontogenies and evolutionary correlates.

2:15 BREAK

2:30 14-4 DOUST, ANDREW, N. L.* AND ELIZABETH, A. KELLOGG. University of Missouri-St Louis, St Louis. Patterns of inflorescence development in Setaria (Panicoideae, Poaceae).

2:45 14-5 GIBSON, J. PHIL. Agnes Scott College, Decatur. Developmental differences between ray and disc achenes in heteromorphic species of Prionopsis and Heterotheca.

3:00 14-6 CLEVINGER, JENNIFER A. AND ELIZABETH M. HARRIS*. James Madison University, Harrisonburg, VA and Ohio State University, Columbus. Floral primordia complexes in the Engelmanniinae (Asteraceae: Heliantheae).


SESSION 15 OCC, C 124

CONTRIBUTED PAPERS: AFS / Pteridological Section, BSA

Presiding: TOM A. RANKER, University Museum Herbarium, University of Colorado, Boulder, CO 80309. Tele: 303-492-5074, E-mail: ranker@stripe.colorado.edu.

2:00 15-1 THERRIEN, JAMES P. * AND CHRISTOPHER H. HAUFLER. University of Kansas, Lawrence. Phylogeny and biogeography of Selaginella subg. Tetragonostachys based on nuclear ribosomal ITS sequence data.

2:15 15-2 THERRIEN, JAMES P. 1*, MICHAEL D. WINDHAM2, AND CHRISTOPHER H. HAUFLER1. 1University of Kansas, Lawrence, and 2University of Utah, Salt Lake City. Hybridization and putative allotetraploid speciation in Selaginella subg. Tetragonostachys.

2:30 15-3 KORALL, PETRA1* AND PAUL KENRICK2. 1Stockholm University, Stockholm, Sweden and 2The Natural History Museum, London, UK. Phylogeny of Selaginellaceae based on the plastid gene rbcL: congruence and incongruence with morphology.

2:45 15-4 WATKINS, JR., JAMES E.* AND DONALD R. FARRAR. Iowa State University, Ames. Biosystematic investigation of the rare, disjunct, rockhouse fern Thelypteris pilosa var. alabamensis (Thelypteridaceae: Stegnogramma).

3:00 BREAK

3:15 15-5 CESKA, ADOLF* AND OLDRISKA CESKA. British Columbia Ministry of Environment, Victoria, BC, Canada. Isoetes minima A.A. Eaton (Isoetaceae) - an overlooked terrestrial quillwort of the Pacific Northwest.

3:30 15-6 FARRAR, DONALD R.* AND JAMES E. WATKINS. Iowa State University, Ames. 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.

3:45 15-7 GRANT, JASON R. Université de Neuchâtel, Neuchâtel, Switzerland. The genus Botrychium (Ophioglossaceae) in the interior of Alaska - Herb Wagner's final conquest.

4:00 15-8 SAHASHI, NORIO. Toho University, Funabashi, Chiba, Japan. A New Combination of the Ophioglossaceae Using Palynological and Morphological Studies on the Old World.


SESSION 16 OCC, C 121.

CONTRIBUTED PAPERS: Phytochemical Section, BSA - Phytochemistry

Presiding: GERALD J. SEILER, USDA Agricultural Research Service, Northern Crop Science Laboratory, Fargo, ND 58105, Tele: 701-239-1380.

3:00 16-1 JOHNSON, EMANUEL L.*, WALTER F. SCHMIDT; DONALD COOPER. USDA ARS Weed Science Laboratory, BARC-W, Beltsville, MD. Flavonoids as chemotaxonomic markers for cultivated Amazonian Erythroxylum.

3:15 16-2 SEILER, GERALD J*. USDA Agricultural Research Service, Fargo, ND. Concentration of saturated palmitic and stearic fatty acids in achene oil of a population of wild Helianthus annuus.

3:30 16-3 JOHNSON, EMANUEL L.*, STEPHEN D. EMCHE. USDA ARS Weed Science Laboratory, BARC-W, Beltsville, MD. Transgenic plants: a source for medicinal plants.


BUSINESS MEETING: Phytochemical Section, BSA. OCC, C 121 - 4:00-4:30 PM

Presiding: EMANUEL L. JOHNSON, USDA ARS WSL, Building 001, Room 329 BARC-W, 10300 Baltimore Ave., Beltsville, MD 20705-2350. Tele: 301-504-5323, E-mail: eljohnsn@asrr.arsusda.gov.


EDITORíS MEETING. OCC, C 122 - 4:00-5:00 PM


BUSINESS MEETING: Pteridological Section, BSA. OCC, C 124 - 4:15-4:45 PM

Presiding: W. CARL TAYLOR, Department of Botany, Milwaukee Public Museum, Milwaukee, WI 53233. Tele: 414-278 2760, E-mail: ct@mpm.edu.


MEETING: ABLS - Bryophyte Flora of North America Meeting. OCC, C 125-126 - 4:30-5:30 PM

Presiding: Richard C. Zander, Clinton Herbarium, Buffalo Museum of Science, 1020 Humboldt Parkway, Buffalo, NY 14211-1293. Tele: 716-895-5200 x351, E-mail: rzander@sciencebuff.org.


BUSINESS MEETING: ASPT & Systematics Section, BSA. OCC, B 110-112 - 5:15-6:00 PM

Presiding: Shirley Graham, Department of Biological Sciences, Kent State University, Kent, OH 44242. Tele: 330-672-3699, E-mail: sgraham@kent.edu.


MONDAY EVENING, 7 AUGUST


BUSINESS MEETING: IAPT. OCC, B 110-112 - 6:00-6:30 PM

Presiding: TOD STUESSY, Institut für Botanik, Universität Wien, Rennweg 14, Vienna, A-1030, Austria. Tele: 43-1-4277-54140, E-mail: tod.stuessy@univie.ac.at.


MIXER: Paleobotanical Section, BSA. Doubletree, Oregon room - 6:00-6:30 PM


BANQUET: Paleobotanical Section, BSA (Ticketed Event). Doubletree, Washington/Idaho room - 6:30-8:00 PM


PUBLIC OUTREACH LECTURE: All Societies. Doubletree, Lloyd Center Ballroom - 8:00-9:00 PM

Presiding: Jeffrey M. Osborn, Division of Science, Truman State University, 100 E. Normal Street, Kirksville, MO 63501-4221. Tele: 660-785-4017, E-mail: josborn@truman.edu.

Speaker: William Dietrich, The Seattle Times, WA. Habitat of hope: Our Northwest in the 21st Century.