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Heracleum maximum

American Cow Parsnip, American Cow Parsnip
Other regional names: American Hogweed +4 more
  • American Hogweed
  • Common Cowparsnip
  • Cow Parsnip
  • Cowparsnip
  • Masterwort
Also known as: Heracleum auritum Bisch. +17 more
  • Heracleum auritum Bisch.
  • Heracleum barbatum var. tsurugisanense (Honda) M.Hiroe
  • Heracleum barbatum var. turugisanense (Honda) M.Hiroe
  • Heracleum douglasii DC.
  • Heracleum dulce Fisch., C.A.Mey. & Avé-Lall.
  • Heracleum lanatum f. dissectum (H.Ohba) T.Yamaz.
  • Heracleum lanatum f. rubriflorum (H.Ohba) T.Yamaz.
  • Heracleum lanatum Michx.
  • Heracleum lanatum subsp. asiaticum M.Hiroe
  • Heracleum lanatum var. asiaticum (M.Hiroe) H.Hara
  • Heracleum lanatum var. asiaticum Fisch.
  • Heracleum moellendorffii var. tsurugisanense (Honda) Ohwi
  • Heracleum moellendorffii var. turugisanense (Honda) Ohwi
  • Heracleum sphondylium subsp. lanatum (Michx.) Á.Löve & D.Löve
  • Heracleum sphondylium var. lanatum (Michx.) Dorn
  • Heracleum sphondylium var. tsaurugisanense (Honda) H.Ohba
  • Heracleum sphondylium var. tsurugisanense (Honda) H.Ohba
  • Heracleum sphondylium var. turugisanense (Honda) H.Ohba
Botanical Data
  • Taxonomic Rank: Species
  • Botanical Family: Apiaceae
  • WCVP Morphological Data: Recorded natively as a perennial.

Heracleum maximum (commonly known as American Cow Parsnip) is a herbaceous perennial belonging to the Apiaceae family. Indigenous to Temperate Asia and North America, this species is primarily associated with temperate conditions.

Macro Climate
Temperate
Plant Type
Herbaceous Perennial

Native Range

Continents (WGSRPD)
ASIA-TEMPERATE, NORTHERN AMERICA
Regions (WGSRPD)
Eastern Asia, Eastern Canada, North-Central U.S.A., Northeastern U.S.A., Northwestern U.S.A., Russian Far East, South-Central U.S.A., Southeastern U.S.A., Southwestern U.S.A., Subarctic America, Western Canada
Botanical Countries (WGSRPD L3)
Alaska, Alberta, Aleutian Is., Arizona, British Columbia, California, Colorado, Connecticut, Delaware, District of Columbia, Georgia, Idaho, Illinois, Indiana, Iowa, Japan, Kamchatka, Kansas, Kentucky, Khabarovsk, Kuril Is., Labrador, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Carolina, North Dakota, Northwest Territories, Nova Scotia, Ohio, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Sakhalin, Saskatchewan, South Dakota, Tennessee, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Yukon

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