[DVF] Den Virtuella floran http://linnaeus.nrm.se/flora/welcome.html; Ett projekt vid Naturhistoriska riksmuseet (Stockholm, Sweden).; Even for non-Swedish speaker, the distribution maps on species are nice (map buttons "Norden" and "Norra halvklotet")
[FPN] Hitchcock & Cronquist, 1998
Flora of the Pacific Northwest (11th ed.); ISBN 0-295-95273-3
If you have corrections, comments or
information to add into these pages, just send mail to
Keep in mind that the taxonomic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.