Biology 211: Taxonomy of Flowering Plants
Online notes and examples from Colby College providing an introduction to the principles and practice of flowering plant taxonomy.
www.colby.edu/info.tech/BI211/Bio211.html
Indices Nominum Supragenericorum Plantarum Vascularium
Searchable database of validly published suprageneric names (ranks above the rank of genus) for vascular plants.
matrix.nal.usda.gov:8080/cgi-bin/starfinder/0?path=suprag.txt&id=anon&pass=...