The Internet Directory of Botany:
www.botany.net/IDB/botany.html
Families of Flowering Plants: Descriptions, Illustrations, Identification,
and Information Retrieval:
http://delta-intkey.com/angio/index.htm
The Royal Botanic Gardens, Kew:
www.rbgkew.org.uk
http://linnaeus.nrm.se/botany/fbo/welcome.html.en
www.pharmacy.bg.ac.rs/botanika/hrbr.html