


Weak Groundsel (Packera debilis)
Weak Groundsel (Packera debilis), in the Aster FAmily (Asteraceae), is a plant listed as critically imperiled in Colorado (S1), but apparently secure (G4) globally, because it is also found in Wyoming (S2) where there are 16-20 occurrence, Montana, where it is...
Silvery Buffaloberry (Shepherdia argentea)
Silvery Buffaloberry Shepherdia argentea), in the Oleaster Family (Eleagnaceae) is common in moist places along rivers and in canyon bottoms, scattered on the western slope and known from Boulder, Larimer, and Weld Counties. on the eastern slope, in the plains and...
Rocky Mountain Maple (Acer glabrum var glabrum)
Rocky Mountain Maple (Acer glabrum var glabrum) is a native plant in the Soapberry Family (Sapinaceae). It is common and widespread across the state along streams, in gulches and ravines, and in dry forests, from the plains to the lower subalpine on the eastern and...