"Lichen biodeterioration: Progress and problems" (half-day). Organizers: Larry St. Clair, Brigham Young University, Provo, UT, Tele: (801) 378-4879, E-mail: <larry_stclair@byu.edu>, and Mark Seaward, The University, Bradford, Yorkshire, UK.
"Biogeography and phylogeny of Caribbean plants" (half-day). Organizers: Timothy McDowell, East Tennessee State University, Johnson City, Tele: (423) 439-6925, E-mail: <mcdowelt@etsu.edu>, and Peter W. Fritsch, California Academy of Sciences, San Francisco, Tele: (415) 750-7188, E-mail: <pfritsch@CalAcademy.org>
"ASPT Colloquium: Evolution, biogeography, and systematics of Begoniaceae" (half-day). Organizer: Susan M. Swensen, Ithaca College, Ithaca, Tele: (607) 274-3511, E-mail: <sswensen@ithaca.edu>, and Mark C. Tebbitt, Brooklyn Botanic Garden, Brooklyn, Tele: (718) 623-7319, E-mail: <marktebbitt@bbg.org>