PTERIDOLOGICAL SYMPOSIUMBiosystematic investigation of the rare, disjunct, rockhouse fern Thelypteris pilosa var. alabamensis (Thelypteridaceae: Stegnogramma).James E. Watkins, Jr.515-294-4035watkins@iastate.edu yes, with ASPTA recent radiation of Neotropical fern genera in p‡ramo ecosystems.Patricia S‡nchez-Baracaldo(510) 643 9556patrisan@socrates.berkeley.edu yes, two other papers which I will present in the systematics sessionThe genus Botrychium (Ophioglossaceae) in the interior of Alaska – Herb Wagner’s final conquest.Jason R. Grant(+41) 32 725 3241jasonrgrant@hotmail.com