Erigeron canadensis
Butterweed, Canada Fleabane
Other regional names: Canada Horseweed +6 more
- Canada Horseweed
- Canadian Fleabane
- Canadian Horseweed
- Cronquist
- Foxtail
- Horse Weed
- Mare's Tail
Also known as: Caenotus canadensis (L.) Raf. +18 more
- Caenotus canadensis (L.) Raf.
- Caenotus pusillus (Nutt.) Raf.
- Conyza bonariensis var. angustifolia (Cabrera) Cabrera
- Conyza canadensis (L.) Cronquist
- Conyza canadensis subsp. canadensis
- Conyza canadensis var. canadensis
- Conyza canadensis var. glabrata (A.Gray) Cronquist
- Conyza canadensis var. incisa P.D.Sell
- Conyza canadensis var. obovoidea P.D.Sell
- Conyza canadensis var. pusilla (Nutt.) Cronquist
- Conyza canadensis var. robusta P.D.Sell
- Conyza canadensis var. simplex P.D.Sell
- Conyza linifolia (Willd.) Täckh.
- Conyza parva Cronquist
- Conyza rufescens Hoffmanns. & Link
- Conyzella canadensis (L.) Rupr.
- Conyzella linifolia (Willd.) Greene
- Dimorphanthes linifolia (Willd.) Rupr.
- Erigeron bonariensis var. angustifolius Cabrera
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Asteraceae
- WCVP Morphological Data: Recorded natively as a annual.
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Erigeron canadensis (commonly known as Butterweed or Canada fleabane) is an annual belonging to the Asteraceae family. Naturally occurring in North America and South America, this species is primarily associated with temperate conditions. It is part of the broad Erigeron genus, encompassing over 450 species globally.
Macro Climate
Temperate
Plant Type
Annual
Native Range
Continents (WGSRPD)
NORTHERN AMERICA, SOUTHERN AMERICA
Regions (WGSRPD)
Brazil, Caribbean, Central America, Eastern Canada, Mexico, North-Central U.S.A., Northeastern U.S.A., Northern South America, Northwestern U.S.A., South-Central U.S.A., Southeastern U.S.A., Southwestern U.S.A., Western Canada, Western South America
Botanical Countries (WGSRPD L3)
Alabama, Alberta, Arizona, Arkansas, Bahamas, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, California, Cayman Is., Colombia, Colorado, Connecticut, Costa Rica, Dominican Republic, Ecuador, El Salvador, Florida, French Guiana, Galápagos, Georgia, Guatemala, Haiti, Honduras, Idaho, Illinois, Indiana, Iowa, Jamaica, Kansas, Kentucky, Leeward Is., Louisiana, Maine, Manitoba, Maryland, Massachusetts, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, Nicaragua, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Panama, Pennsylvania, Peru, Prince Edward I., Puerto Rico, Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Surinam, Tennessee, Texas, Trinidad-Tobago, Turks-Caicos Is., Utah, Venezuela, Vermont, Virginia, Washington, West Virginia, Windward Is., Wisconsin, Wyoming
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Afghanistan, Albania, Algeria, Altay, Amur, Angola, Assam, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bulgaria, Buryatiya, Cambodia, Canary Is., Cape Provinces, Caroline Is., Central European Russia, Chagos Archipelago, China North-Central, Corse, Czechoslovakia, Denmark, East Aegean Is., East European Russia, East Himalaya, Fiji, Finland, France, Free State, Germany, Great Britain, Greece, Hawaii, Hungary, India, Inner Mongolia, Iran, Iraq, Ireland, Italy, Japan, Kazakhstan, Khabarovsk, Kirgizistan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., KwaZulu-Natal, Lebanon-Syria, Lesotho, Libya, Madeira, Marianas, Marquesas, Marshall Is., Mauritius, Morocco, Mozambique, Nepal, Netherlands, New Guinea, New South Wales, Newfoundland, Niue, Norfolk Is., North Caucasus, Northern Provinces, Northwest European Russia, Norway, Pakistan, Palestine, Philippines, Poland, Portugal, Primorye, Queensland, Romania, Réunion, Sakhalin, Sardegna, Sicilia, Sinai, South Australia, South European Russia, Spain, Swaziland, Sweden, Switzerland, Tadzhikistan, Taiwan, Tasmania, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Ukraine, Uzbekistan, Victoria, Vietnam, Wake I., West Himalaya, West Siberia, Western Australia, Yakutskiya, Yugoslavia, Zambia, Zimbabwe