These abridged and modified lists are based on the work of John Kartesz and the Biota of North America Program (BONAP).
Michael’s Commentary: Since I have to write books and teach classes, I am always faced with those pesky changes in current taxonomy. These are Acrobat and text files of checklists of some of the western states…with special emphasis on changes important in medical botany and to field herbalists. Arranged by Families, you will find ASTERACEÆ listed as COMPOSITÆ, APIACEÆ as UMBELLIFERÆ, etc…I have to draw the line SOMEWHERE…
Checklist of the flora of ARIZONA
Checklist of the flora of CALIFORNIA
Checklist of the flora of COLORADO
Checklist of the flora of IDAHO
Checklist of the flora of MONTANA
Checklist of the flora of NEVADA
Checklist of the flora of NEW MEXICO
Checklist of the flora of OREGON
Checklist of the flora of UTAH
Checklist of the flora of WASHINGTON
Checklist of the flora of WYOMING