References
Gleason, H.A., and A. Cronquist. 1952. The new Britton and Brown illustrated flora of the northeastern United States and adjacent Canada. New York Botanical Garden and Hafner Press, New York, N.Y. Google Scholar
Gleason, H.A., and A. Cronquist. 1952. The new Britton and Brown illustrated flora of the northeastern United States and adjacent Canada. New York Botanical Garden and Hafner Press, New York, N.Y. Google Scholar