QK1-989 - Botany
QK1-474.5 General - Including geographical distribution
QK474.8-495 Spermatophyta. Phanerogams
QK494-494.5 Gymnosperms
QK495 Angiosperms
QK504-638 Cryptogams
QK640-707 Plant anatomy
QK710-899 Plant physiology
QK900-989 Plant ecology
"The PLANTS Database provides standardized information about
the vascular plants, mosses, liverworts, hornworts, and lichens
of the U.S. and its territories. It includes names, plant symbols,
checklists, distributional data, species abstracts, characteristics,
images, crop information, automated tools, onward Web links,
and references."
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