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 Oregon-Grape
Cryptantha humilis (A. Gray) Payson - Round-Spike Perennial Cat's-Eye
Alyssum desertorum Stapf - Desert Madwort
Arabis holboellii Hornem. - Holboell's Rockcress
Descurainia pinnata (Walt.) Britt. - Western Tansy-Mustard
Erysimum asperum (Nutt.) DC. - Prairie Wallflower
Isatis tinctoria L. - Dyer's-Woad
Sisymbrium altissimum L. - Tall Hedge-Mustard
Thlaspi arvense L. - Field Pennycress
Opuntia polyacantha Haw. - Hair-Spine Prickly-Pear
Claytonia lanceolata Pursh - Lance-Leaf Springbeauty
Dodecatheon pulchellum (Raf.) Merr. - darkthroat shootingstar
Acer glabrum Torr. - Rocky Mountain Maple
Acer negundo L. - Ash-Leaf Maple
Aesculus hippocastanum L. - Horse-Chestnut
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This project made possible by National Science Foundation Award 1410069