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: Weissia controversa Hedw.
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.
Weissia controversa Hedw.
Seven plants, 1.38-1.48, 1.45-1.56, 1.60-1.75 m. The involute leaves are mostly shorter and broader than is usual in the morphologically variable W. controversa.