Authors: Rick Williams
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Families: 2
Genera: 14
Species: 21 (species rank)
Total Taxa: 21 (including subsp. and var.)
Achillea millefolium L. - Woolly Yarrow
Artemisia dracunculus L. - Dragon Wormwood
Artemisia ludoviciana Nutt. - White Sagebrush
Artemisia tripartita Rydb. - Three-Tip Sagebrush
Balsamorhiza hookeri Nutt. - Hairy Balsamroot
Balsamorhiza macrophylla Nutt. - Cut-Leaf Balsamroot
Balsamorhiza sagittata (Pursh) Nutt. - Arrow-Leaf Balsamroot
Cirsium arvense (L.) Scop. - Canadian Thistle
Cirsium scariosum Nutt. - Meadow Thistle
Crepis acuminata Nutt. - Long-Leaf Hawk's-Beard
Senecio integerrimus Nutt. - Lamb-Tongue Ragwort
Tetradymia canescens DC. - Spineless Horsebrush
Philadelphus lewisii Pursh - Lewis' Mock Orange