Armeria (Armeria maritima subsp. sibirica)
Armeria (Armeria maritima subsp. sibirica) in the Plumbago Family (Plumbaginaceae), a critically imperiled subspecies in Colorado (S1) that grows in the alpine tundra, usually in wet soil near streams, known only from Park and Summit Counties. The subspecies is secure...
Hoosier Pass Ipomopsis (Ipomopsis globularis)
Hoosier Pass Ipomopsis (Ipomopsis globularis), Phlox Family (Polemoniaceae) is a Colorado endemic plant and imperiled here (S2) and globally. It grows on high alpine slopes and ridges, known from the Mosquito Range (Hoosier Ridge) in Lake, Park, and Summit Counties on...
Low Northern Rockcress (Braya humilis sbsp. humilis)
Low Northern Rockcress (Braya humilis ssp. humilis), Mustard Family (Brassicaceae) is a rare species listed as imperiled in Colorado, but secure globally as it is found in many Canadian provinces. It grows on rocky soil of alpine tundra, often in disturbed old mining...