Overview
Distribution
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Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York.
http://www.tropicos.org/Reference/1515
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Voss, E. G. 1985. Michigan Flora. Part II Dicots (Saururaceae-Cornaceae). Bull. Cranbrook Inst. Sci. 59. xix + 724.
http://www.tropicos.org/Reference/1700
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Gleason, H. A. 1968. The Choripetalous Dicotyledoneae. vol. 2. 655 pp. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York.
http://www.tropicos.org/Reference/1704
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Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Man. Vasc. Fl. Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill.
http://www.tropicos.org/Reference/636
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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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Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
http://www.tropicos.org/Reference/1327
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Daoud, H. S. & R. L. Wilbur. 1965. A revision of the North American species of Helianthemum (Cistaceae). Rhodora 67(771): 255–312.
http://www.tropicos.org/Reference/100000055
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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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Physical Description
Type Information
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): S. Walker
Year Collected: 1889
Locality: Douglas, Colorado, United States, North America
- Type collection: Evans, W. H. 1890. Bot. Gaz. 15: 211.
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Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): S. Walker
Year Collected: 1889
Locality: Douglas, Colorado, United States, North America
- Type collection: Evans, W. H. 1890. Bot. Gaz. 15: 211.
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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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Threats
Comments: Unknown causes of decline are threatening this species (Southern Appalachian Species Viability Project 2002).
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Disclaimer
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