Ageratina altissima
Richweed, Snakeroot
Other regional names: White Sanicle +1 more
- White Sanicle
- White Snakeroot
Also known as: Ageratina ageratoides (L.fil.) Spach +15 more
- Ageratina ageratoides (L.fil.) Spach
- Ageratum altissimum L.
- Batschia nivea Moench
- Eupatorium aboriginum Greene
- Eupatorium altissimum (L.) Murray, 1774
- Eupatorium boreale Greene
- Eupatorium cordatum var. fraseri (Poir.) DC.
- Eupatorium eurybiaefolium Greene, 1901
- Eupatorium eurybiifolium Greene
- Eupatorium rugosum f. villicaule (Fernald) Fernald
- Eupatorium rugosum var. chlorolepis Fernald
- Eupatorium rugosum var. rugosum
- Eupatorium rugosum var. tomentellum (B.L.Rob.) S.F.Blake
- Eupatorium rugosum var. villicaule (Fernald) S.F.Blake
- Eupatorium urticaefolium f. congesta Chodat
- Eupatorium urticaefolium Reichard, 1780
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Ageratina altissima (commonly known as Richweed or Snakeroot) is a plant within the Asteraceae family. It naturally occurs in North America. There are naturally occurring varieties of this species, which are linked below.
Macro Climate
Unspecified
Plant Type
Unclassified
Native Range
Continents (WGSRPD)
NORTHERN AMERICA
Regions (WGSRPD)
Eastern Canada, North-Central U.S.A., Northeastern U.S.A., South-Central U.S.A., Southeastern U.S.A., Subarctic America
Botanical Countries (WGSRPD L3)
Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Brunswick, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Northwest Territories, Nova Scotia, Ohio, Oklahoma, Ontario, Pennsylvania, Québec, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin
Introduced Range
An “Introduced” distribution indicates that the plant is recorded outside its native range in that region as a result of deliberate or accidental human introduction. Introduced records may include casual, naturalized or invasive populations, but do not include plants that are only cultivated or planted without self-sustaining populations.
Botanical Countries (Non-Native)
Austria, Belgium, Germany, Hungary, Korea, Northern Provinces, Poland
Subspecies, Varieties & Forms