Taxon: Erigeron canadensis L.

Summary

Genus:

Erigeron

Family:

Asteraceae (alt. Compositae)

Subfamily:

Asteroideae

Tribe:

Astereae

Nomen number:

104213

Place of publication:

Sp. pl. 2:863. 1753

Typification:

View in Linnean Typification Project

Verified:

03/04/2012 ARS Systematic Botanists.

Accessions:

4 (4 active, 2 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Homotypic Synonym(s)
Conyza canadensis (L.) Cronquist

Heterotypic Synonym(s)
Erigeron pusillus Nutt.
Leptilon pusillum (Nutt.) Britton

No images

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
APHIS. Agricultural Risk Management System United States Department of Agriculture.
Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
Oh, S.-Y. & J.-H. Pak. 2001. Distribution maps of vascular plants in Korea Note: Academybook Publishing Co., Seoul.
Personal Care Products Council. International Nomenclature Cosmetic Ingredient
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Common names

Language	Name	note	seq	Citation
English	butterweed		1	1961. Webster's third new international dictionary. Note: = Erigeron canadensis
English	Canadian fleabane	as Conyza canadensis	1	Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia Note: as Conyza canadensis
English	Canadian horseweed	as Conyza canadensis	1	Beetle, A. A. 1970. Recommended plant names. Univ. Wyoming Agr. Exp. Sta. Res. J. 31 Note: as Conyza canadensis
English	hogweed		1	1961. Webster's third new international dictionary. Note: = Erigeron canadensis
English	horseweed	as Conyza canadensis	1	Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Conyza canadensis
French	vergerette du Canada		2	FNA Editorial Committee. 1993-. Flora of North America. Note: as Conyza canadensis
German	kanadisches Berufkraut	as Conyza canadensis	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Conyza canadensis
Swedish	kanadabinka	as Conyza canadensis	2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) Note: as Conyza canadensis

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Eastern Canada	Canada	Nova Scotia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Ontario		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Prince Edward Island		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Québec		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Illinois		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Iowa		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Kansas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New York		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Rhode Island		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	Vermont		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Durango		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Sonora		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Zacatecas		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Montana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon		Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest.
1	Native	Northern America	Northwestern U.S.A.	United States	Washington		Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico		Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
1	Native	Northern America	South-Central U.S.A.	United States	Texas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Florida	n.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	South Carolina		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southern Mexico	Mexico	Aguascalientes		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Campeche		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Jalisco		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	México		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Nayarit		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Puebla		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Querétaro		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	California		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada		Cronquist, A. et al. 1972-. Intermountain flora.
1	Native	Northern America	Southwestern U.S.A.	United States	Utah		Cronquist, A. et al. 1972-. Intermountain flora.
1	Native	Northern America	Western Canada	Canada	Alberta		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	British Columbia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Manitoba		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Saskatchewan		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Southern America	Central America	Belize			Balick, M. J. et al. 2000. Checklist of the vascular plants of Belize, with common names and uses. Mem. New York Bot. Gard. 85
1	Native	Southern America	Central America	Costa Rica			Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
1	Native	Southern America	Central America	El Salvador			Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
1	Native	Southern America	Central America	Guatemala			Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
1	Native	Southern America	Central America	Honduras			Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
1	Native	Southern America	Central America	Nicaragua			Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3).
1	Native	Southern America	Central America	Panama		not common	Woodson, R. E. & R. W. Schery, eds. 1943-1980. Flora of Panama.
4	Naturalized	Africa	Macaronesia	Portugal	Azores		Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	Macaronesia	Portugal	Madeira Islands		Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	Macaronesia	Spain	Canarias		Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	Northern Africa	Algeria			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	Northern Africa	Libya			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	Northern Africa	Morocco			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	Northern Africa	Tunisia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	Southern Africa	Eswatini			Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa.
4	Naturalized	Africa	Southern Africa	Lesotho			Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa.
4	Naturalized	Africa	Southern Africa	South Africa			Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa.
4	Naturalized	Africa	Western Indian Ocean	British Indian Ocean Terr	Diego Garcia		Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Africa	Western Indian Ocean	Mauritius			Bosser, J. M. et al., eds. 1976-. Flores des Mascareignes.
4	Naturalized	Africa	Western Indian Ocean	Reunion			Bosser, J. M. et al., eds. 1976-. Flores des Mascareignes.
4	Naturalized	Asia-Temperate	Caucasus	Armenia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	Caucasus	Azerbaijan			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	Caucasus	Georgia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	Caucasus	Russian Federation-Ciscaucasia	Ciscaucasia		Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	China	China			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Temperate	Eastern Asia	Japan			Iwatsuki, K. et al. 1993-. Flora of Japan.
4	Naturalized	Asia-Temperate	Eastern Asia	Korea			Oh, S.-Y. & J.-H. Pak. 2001. Distribution maps of vascular plants in Korea Note: Academybook Publishing Co., Seoul.
4	Naturalized	Asia-Temperate	Eastern Asia	Taiwan			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Temperate	Siberia	Russian Federation	Krasnoyarsk	s.	Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
4	Naturalized	Asia-Temperate	Siberia	Russian Federation-Western Siberia	Western Siberia		Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
4	Naturalized	Asia-Temperate	Western Asia	Cyprus			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	Western Asia	Israel			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	Western Asia	Syria			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	Western Asia	Turkey			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Tropical	Indian Subcontinent	Bhutan			Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
4	Naturalized	Asia-Tropical	Indian Subcontinent	India			Sharma, B. D. et al., eds. 1993-. Flora of India.
4	Naturalized	Europe	Eastern Europe	Belarus			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Estonia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Latvia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Lithuania			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Moldova			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Russian Federation-European part	European part		Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Ukraine		incl. Krym	Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Belgium			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Czech Republic			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Germany			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Hungary			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Netherlands			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Poland			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Slovakia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Switzerland			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Northern Europe	Denmark			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Northern Europe	Finland			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Northern Europe	Norway			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Northern Europe	Sweden			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Northern Europe	United Kingdom			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Albania			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Bosnia and Herzegovina			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Bulgaria			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Croatia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Greece		incl. Crete	Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Italy		incl. Sardinia, Sicily	Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Montenegro			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	North Macedonia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Romania			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Serbia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Slovenia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southwestern Europe	France		incl. Corsica	Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southwestern Europe	Portugal			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southwestern Europe	Spain		incl. Baleares	Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Pacific	North-Central Pacific	United States	Hawaii		Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	North-Central Pacific	United States	United States Minor Outlying Islands		Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	Northwestern Pacific	Marshall Islands			Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	Northwestern Pacific	Palau			Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	Northwestern Pacific	United States	Guam		Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	Northwestern Pacific	United States	Northern Mariana Islands		Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	Northwestern Pacific	United States	United States Minor Outlying Islands		Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	Southwestern Pacific	Fiji			Smith, A. C. 1979-1991. Flora vitiensis nova.
4	Naturalized	Pacific	Southwestern Pacific	New Caledonia			Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	Southwestern Pacific	Niue			Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Southern America	Caribbean	Antigua and Barbuda			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	Barbados			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	Cayman Islands			Proctor, G. R. 1984. Flora of the Cayman Islands. Kew Bulletin Additional Series XI.
4	Naturalized	Southern America	Caribbean	Cuba			León (J. S. Sauget) & Alain (E. E. Liogier). 1946-1969. Flora de Cuba
4	Naturalized	Southern America	Caribbean	Dominica			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	Grenada			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	Guadeloupe			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	Jamaica			Adams, C. 1972. Flowering plants of Jamaica
4	Naturalized	Southern America	Caribbean	Martinique			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	Netherlands Antilles			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	St. Kitts and Nevis			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	St. Lucia			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	St. Vincent and Grenadines			Howard, R. 1974-1989. Flora of the lesser Antilles.
4	Naturalized	Southern America	Caribbean	United States	Puerto Rico		Liogier, H. A. & L. F. Martorell. 2000. Flora of Puerto Rico and adjacent islands: a systematic synopsis, ed. 2.
4	Naturalized	Southern America	Northern South America	French Guiana			Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584.
4	Naturalized	Southern America	Northern South America	Suriname			Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584.
4	Naturalized	Southern America	Northern South America	Venezuela			Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela.
4	Naturalized	Southern America	Western South America	Ecuador			Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
4	Naturalized	Southern America	Western South America	Peru			Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45

Native
Northern America

EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island]
WESTERN CANADA: Canada [Saskatchewan, Alberta, Manitoba, British Columbia]
NORTHEASTERN U.S.A.: United States [Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Connecticut]
NORTH-CENTRAL U.S.A.: United States [Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Illinois, Oklahoma, Wisconsin]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Washington, Wyoming]
SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Florida (n.), Georgia, Kentucky, Louisiana, Maryland, North Carolina, South Carolina, Virginia, Mississippi, Tennessee]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
NORTHERN MEXICO: Mexico [Chihuahua, Durango, Sinaloa, Sonora, Tamaulipas, Zacatecas]
SOUTHERN MEXICO: Mexico [Aguascalientes, Campeche, Chiapas, Jalisco, México, Michoacán de Ocampo, Nayarit, Oaxaca, Puebla, Querétaro, Veracruz de Ignacio de la Llave]

Southern America

CENTRAL AMERICA: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama (not common), El Salvador

Naturalized
Africa

MACARONESIA: Spain [Canarias], Portugal [Azores, Madeira Islands]
NORTHERN AFRICA: Algeria, Libya, Morocco, Tunisia
SOUTHERN AFRICA: Lesotho, Eswatini, South Africa
WESTERN INDIAN OCEAN: British Indian Ocean Terr [Diego Garcia], Mauritius, Reunion

Asia-Temperate

WESTERN ASIA: Cyprus, Israel, Syria, Turkey
CAUCASUS: Russian Federation-Ciscaucasia [Ciscaucasia], Armenia, Azerbaijan, Georgia
SIBERIA: Russian Federation-Western Siberia [Western Siberia], Russian Federation [Krasnoyarsk (s.)]
CHINA: China
EASTERN ASIA: Korea, Japan, Taiwan

Asia-Tropical

INDIAN SUBCONTINENT: Bhutan, India

Europe

NORTHERN EUROPE: Denmark, Finland, United Kingdom, Norway, Sweden
MIDDLE EUROPE: Belgium, Switzerland, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia
EASTERN EUROPE: Russian Federation-European part [European part], Belarus, Estonia, Lithuania, Latvia, Moldova, Ukraine (incl. Krym)
SOUTHEASTERN EUROPE: Albania, Bulgaria, Bosnia and Herzegovina, Greece (incl. Crete), Croatia, Italy (incl. Sardinia, Sicily), North Macedonia, Montenegro, Romania, Serbia, Slovenia
SOUTHWESTERN EUROPE: Spain (incl. Baleares), France (incl. Corsica), Portugal

Pacific

NORTH-CENTRAL PACIFIC: United States [Hawaii, United States Minor Outlying Islands]
NORTHWESTERN PACIFIC: Marshall Islands, Palau, United States [Guam, Northern Mariana Islands, United States Minor Outlying Islands]
SOUTHWESTERN PACIFIC: Fiji, New Caledonia, Niue

Southern America

CARIBBEAN: Netherlands Antilles, Antigua and Barbuda, Barbados, Cuba, Cayman Islands, Dominica, Guadeloupe, Grenada, Jamaica, St. Kitts and Nevis, St. Lucia, Martinique, United States [Puerto Rico], St. Vincent and Grenadines
NORTHERN SOUTH AMERICA: French Guiana, Suriname, Venezuela
WESTERN SOUTH AMERICA: Ecuador, Peru

Reference(s)

Adams, C. 1972. Flowering plants of Jamaica
Balick, M. J. et al. 2000. Checklist of the vascular plants of Belize, with common names and uses. Mem. New York Bot. Gard. 85
Bosser, J. M. et al., eds. 1976-. Flores des Mascareignes.
Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
Cronquist, A. et al. 1972-. Intermountain flora.
Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
FNA Editorial Committee. 1993-. Flora of North America.
Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584.
Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa.
Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest.
Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela.
Howard, R. 1974-1989. Flora of the lesser Antilles.
Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
Iwatsuki, K. et al. 1993-. Flora of Japan.
Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
León (J. S. Sauget) & Alain (E. E. Liogier). 1946-1969. Flora de Cuba
Liogier, H. A. & L. F. Martorell. 2000. Flora of Puerto Rico and adjacent islands: a systematic synopsis, ed. 2.
Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
McVaugh, R. 1983-. Flora Novo-Galiciana.
Oh, S.-Y. & J.-H. Pak. 2001. Distribution maps of vascular plants in Korea Note: Academybook Publishing Co., Seoul.
Proctor, G. R. 1984. Flora of the Cayman Islands. Kew Bulletin Additional Series XI.
Sharma, B. D. et al., eds. 1993-. Flora of India.
Smith, A. C. 1979-1991. Flora vitiensis nova.
Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3).
Woodson, R. E. & R. W. Schery, eds. 1943-1980. Flora of Panama.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Economic Uses

Usage	Type	Note	Reference
Medicines	folklore	as Conyza canadensis	Duke, J. A. et al. 2002. CRC Handbook of medicinal herbs Note: as Conyza canadensis
Medicines	folklore	as Conyza canadensis	McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland. Note: as Conyza canadensis
Weed	seed contaminant	potential; as Conyza canadensis	CIBA-GEIGY, Basel, Switzerland. 1968-1974. The CIBA-GEIGY Weed Tables 105.1.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=104213. Accessed 9 May 2026.