Hall’s Orthotrichum Moss (Orthotrichum hallii)
Orthotrichum hallii is found on rock at middle to upper elevation. The leaves are acute at the apex without an awn. The leaves are erect when dry and spreading when wet. The stomata are immersed. The most striking feature though of O. hallii is the completely...
Map Lichen (Rhizocarpon spp)
Rhizocarpon geographicum (the map lichen) is a species of lichen, which grows on rocks in mountainous areas of low air pollution. About 30 speices have been identified in Colorado. Each lichen is a flat patch bordered by a black line of fungal hyphae. These patches...
Dog Lichen (Peltigera-spp)
Peltigera is a genus of approximately 100 species of foliose lichens in the family Peltigeraceae.About 41 species have been identified in Colorado. Commonly known as the dog or pelt lichens, species of Peltigera are often terricolous (growing on soil), but can also...