Monographs Details: Tortella fragilis (Hook. & Wilson) Limpr.
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:Four plants, seven single leaves, 1.45-1.56 m. The fragile leaf tips are generally missing in the fossils. This feature allows isolated leaves with the characteristic cellular organization of Tortella (basal, hyaline, nonpapillose cells extending along the margins toward the leaf apex) to be identified as T. fragilis.