Overview
Distribution
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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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Great Plains Flora Association. 1986. Fl. Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.
http://www.tropicos.org/Reference/637
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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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Brummitt, R. K. 1981. Further new names in the genus Calystegia (Convolvulaceae). Kew Bull. 35: 327–334.
http://www.tropicos.org/Reference/16176
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National Distribution
Canada
Origin: Unknown/Undetermined
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
United States
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
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Conservation
Conservation Status
National NatureServe Conservation Status
Canada
Rounded National Status Rank: NNR - Unranked
United States
Rounded National Status Rank: N5 - Secure
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Names and Taxonomy
Taxonomy
Comments: The widespread North American variety of Calystegia sylvatica (cf. Kartesz, 2000).
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