Sieber, Crypt. Exot.
Sieber [Jan-65]

New York Botanical Garden
Catalog #: 351423
W. A. Weber s.n. 15 May 1956
Grimmia pilifera P. Beauv.
United States of America, Colorado, Boulder Co., Upper part of Gregory Gulch between Flagstaff Mt. and Green Mt. southwest of Boulder

Field Museum of Natural History
Catalog #: C0082370F
W. A. Weber #s.n. 15 May 1956
Grimmia elatior Bruch ex Bals.-Criv. & De Not.
United States, Colorado, Boulder, in the upper part of the Gregory Gulch between Flagstaff and Mt. Green Mt. in southwest of Boulder