There are 3 verified occurrences, 4 historical occurrences.
All of the sites for Woodsia glabella in New York are on high elevation dry cliffs of at least partly calcareous rock (New York Natural Heritage Program 2010). Calcareous rocks (Gleason and Cronquist 1991). In thin moss or humus on clacareous rocks, often at crests of shaded cliffs (Fernald 1970).
High Peaks and 2 outlying occurrences.
Individuals with sori are best for identification.
These ferns first appear in June, with the spore-bearing sori maturing in July and persisting for the life of the fronds (into September).
The time of year you would expect to find Smooth Cliff Fern vegetative and fruiting in New York.
Smooth Cliff Fern
Woodsia glabella R. Br. ex Richards.
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York. 910 pp.
Holmgren, Noel. 1998. The Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York.
New York Natural Heritage Program. 2019. New York Natural Heritage Program Databases. Albany, NY.
Weldy, T. and D. Werier. 2010. New York flora atlas. [S.M. Landry, K.N. Campbell, and L.D. Mabe (original application development), Florida Center for Community Design and Research http://www.fccdr.usf.edu/. University of South Florida http://www.usf.edu/]. New York Flora Association http://newyork.plantatlas.usf.edu/, Albany, New York
Information for this guide was last updated on: May 28, 2010
Please cite this page as:
New York Natural Heritage Program. 2019. Online Conservation Guide for Woodsia glabella. Available from: https://guides.nynhp.org/smooth-cliff-fern/. Accessed September 19, 2019.