Monographs Details: Oligotrichum falcatum Steere
Authority: Buck, William R. 1987. Bryostephane Steereana: A Collection of Bryological Papers Presented to William Campbell Steere On The Occasion of His 80th Birthday. Mem. New York Bot. Gard. 45: 1-749.
Discussion:A rare arctic species, known only from Beringia. In our experience (see as well Steere, 1958), this species is restricted to moist acidic soil overhangs and acidic seeps (Fig. 9). Presently known from less than five localities in the Yukon.