Table of Contents
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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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Gleason, H. A. 1968. The Sympetalous Dicotyledoneae. vol. 3. 596 pp. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York.
http://www.tropicos.org/Reference/1707
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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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Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1717
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA
Source:
Missouri Botanical Garden
Trusted
National Distribution
Canada
Origin: Exotic
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
United States
Origin: Exotic
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
© NatureServe
Source:
NatureServe
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Ecology
Associations
Associations
hypophyllous telium of Melampsorella symphyti infects and damages live leaf of Symphytum asperum
In Great Britain and/or Ireland:
Foodplant / parasite
sporangium of Peronospora symphyti parasitises live Symphytum asperum
Foodplant / spot causer
mainly hypophyllous colony of Ramularia hyphomycetous anamorph of Ramularia calcea causes spots on live leaf of Symphytum asperum
© BioImages
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Associations
cleistothecium of Golovinomyces cynoglossi parasitises live Symphytum asperum x officinale (S. x uplandicum)
Foodplant / pathogen
hypophyllous, often covering whole leaf uredium of Melampsorella symphyti infects and damages live leaf of Symphytum asperum x officinale (S. x uplandicum)
In Great Britain and/or Ireland:
Foodplant / parasite
sporangium of Peronospora symphyti parasitises live Symphytum asperum x officinale (S. x uplandicum)
© BioImages
Trusted
Conservation
Conservation Status
NatureServe Conservation Status
Rounded Global Status Rank: GNR - Not Yet Ranked
© NatureServe
Source:
NatureServe
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National NatureServe Conservation Status
Canada
Rounded National Status Rank: NNA - Not Applicable
United States
Rounded National Status Rank: NNA - Not Applicable
© NatureServe
Source:
NatureServe
Trusted
Wikipedia
Symphytum asperum
Symphytum asperum is a flowering plant of the genus Symphytum in the family Boraginaceae. Common names include rough comfrey and prickly comfrey. It is native to Asia and it is known in Europe and North America as an introduced species and sometimes a weed.
References
Source:
Wikipedia
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