Potentilla-fruiticosa
Butter and Eggs (Linaria vulgaris)
Butter and Eggs (Linaria vulgaris), Figwort Family (Scrophulariaceae), an introduced noxious weed on the Colorado Noxious Weed B-List. Common in meadows, open forests, along roadsides and streams, and in disturbed areas from plains to subalpine. Blooms from June...
Ownbey’s Thistle (Cirsium ownbeyi)
Ownbey’s Thistle (Cirsium ownbeyi), Aster Family (Asteraceae), native, imperiled (S2S3) in Colorado and vulnerable (G3) globally, only found in Wyoming, Colorado and Utah. It grows in pinyon-juniper, sagebrush and riparian communities, including alcove seeps,...