The Division of Botany recommends the following to those wishing to pursue an interest in botany.

100 Uses for an Herbarium (Well at Least 72) [PDF 56K]
by Vicki Funk, U.S. National Herbarium, Smithsonian Institution

Websites

Angiosperm Phylogeny Website
http://www.mobot.org/MOBOT/research/APweb/

The Family of Flowering Plants
http://www.biologie.uni-hamburg.de/b-online/delta/angio/

Flora Malesiana
http://www.nationaalherbarium.nl/rhb/malesia.htm#flora%20malesiana

Flora Mesoamericana
http://www.mobot.org/MOBOT/fm/

Flora Neotropica
http://www.nybg.org/bsci/ofn/ofn.html

Flora of North America
http://flora.huh.harvard.edu/fna/

Harvard University Herbaria
http://www.huh.harvard.edu

The International Plant Names Index
http://www.ipni.org/index.html

Missouri Botanical Garden
http://www.mobot.org/MOBOT/research/

Natural Science Collections Alliance
http://www.nscalliance.org/

The New York Botanical Garden
http://sciweb.nybg.org/science2/

Phylocode
http://www.ohio.edu/phylocode/

University of Connecticut Herbarium (CONN)
http://bgbaseserver.eeb.uconn.edu/

W3 Tropicos (database)
http://www.tropicos.org/

Professional Societies

American Society of Plant Taxonomists
http://www.sysbot.org/

Botanical Society of America
http://www.botany.org/

Connecticut Botanical Society
http://www.ct-botanical-society.org/

Society for the Preservation of Natural History Collections
http://www.spnhc.org/