Wood-Bristle moss and lichens in winter (1 of 3)

Description:

The moss (center/right) is Orthotrichum affine, the most common tree-inhabiting species in this area. Grows on a variety of deciduous trees including Narrow-leaf Cottonwood, Birch, Bigtooth Maple and Box Elder.The healthy presence of this moss (and of no doubt several of the lichen species here as well) is an indicator of relatively good air quality.Jan. 26, 2013, Millcreek Canyon, approx. 5,920 ft., tall deciduous tree, the moss mainly on the north side, at about six feet from the ground.