Comprehensive Description
provided by North American Flora
Orthotrichum urnigerum Myrin, CorolL Fl. Ups. 71. 1834.
Differing from O. cupulatum in having leaves acute to slenderly acuminate, strongly papillose with large, salient papillae; peristome double with 8-16 well developed segments, the teeth having large, irregular papillae at the base, striate above.
Type locality: Europe.
Distribution: Yellowstone National Park, Wyoming.
- bibliographic citation
- North American flora. vol 15A (1). New York Botanical Garden, New York, NY
