Authors: Rick Williams
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Families: 9
Genera: 22
Species: 24 (species rank)
Total Taxa: 24 (including subsp. and var.)
Rhus aromatica Aiton - Fragrant Sumac
Berberis repens Lindl. - creeping barberry
Alyssum desertorum Stapf - dwarf alyssum
Arabis holboellii Hornem. - Holboell's rockcress
Descurainia pinnata (Walt.) Britt. - western tansymustard
Erysimum asperum (Nutt.) DC. - western wallflower
Isatis tinctoria L. - dyer's woad
Sisymbrium altissimum L. - tall tumblemustard
Thlaspi arvense L. - field pennycress
Opuntia polyacantha Haw. - plains pricklypear
Claytonia lanceolata Pursh - western springbeauty
Dodecatheon pulchellum (Raf.) Merr. - darkthroat shootingstar
Acer glabrum Torr. - Rocky Mountain maple
Acer grandidentatum Nutt. - bigtooth maple
Acer negundo L. - boxelder
Aesculus hippocastanum L. - horse chestnut
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This project made possible by National Science Foundation Award 1410069