Memoirs of The New York Botanical Garden
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of Vascular Plants of Northeastern United States and adjacent Canada
Details: Trichostomum crispulum Bruch
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.
Trichostomum crispulum Bruch
One plant with 12 leaves, 1.60-1.75 m. The narrow, somewhat involute leaves of the fossil are similar to those of Weissia controversa, but they differ in having a cucuUate apex. Fig. 6a-d.