Uinta Basin Hookless Cactus (Sclerocactus glaucus), Cactus Family (Cactaceae). Rare cactus endemic to western Colorado, globally imperiled (G2) and imperiled (S2) in Colorado. S. glaucus grows in dry places, often with pinyon-juniper or sagebrush in semi-desert...
Heartleaf Bittercress (Cardamine cordifolia), Mustard Family (Brassicaceae). Common along streams, lake margins, and in moist meadows, from high plains to alpine on the eastern and western slopes. Blooms from June through August. Photo by...
Fiddleleaf Bladderpod (Physaria vitulifera), Mustard Family (Brassicaceae). A Colorado endemic plant, his species is ranked vulnerable in Colorado and globally (G3S3). It is found on rocky slopes and dry hillsides, known from the foothills of the northern Front Range...