Overview
Distribution
Pteridium aquilinum var. pubescens Underw.:
Canada (North America)
United States (North America)
Mexico (Mesoamerica)
Canada (North America)
United States (North America)
Mexico (Mesoamerica)
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Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
http://www.tropicos.org/Reference/1103
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Lellinger, D. B. 1985. A Field Manual of the Ferns and Fern Allies of the United States and Canada. 389 pp.
http://www.tropicos.org/Reference/1316
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Mickel, J. T. & A. R. Smith. 2004. The Pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1–1054.
http://www.tropicos.org/Reference/1025841
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Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1717
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Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1719
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Munz, P. A. 1968. Suppl. Calif. Fl. 1–224. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1718
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Flora of North America Editorial Committee, e. 1993. Pteridophytes and Gymnosperms. 2: i–xvi, 1–475. In Fl. N. Amer. Oxford University Press, New York.
http://www.tropicos.org/Reference/10884
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Moss, E. H. 1983. Fl. Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.
http://www.tropicos.org/Reference/1483
Trusted
National Distribution
Canada
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
United States
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
Trusted
Conservation
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