Cow Parsnip
Overview
 
The Cow Parsnip is the only member of the genus Heracleum native to North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

. Its classification has caused some difficulty, with recent authoritative sources referring to it variously as Heracleum maximum or Heracleum lanatum , as H. linatum, or as either a subspecies, H. sphondylium subsp. montanum, or a variety, H. sphondylium var. linatum, of the Common Hogweed
Common Hogweed
Heracleum sphondylium, common names Common Hogweed or Cow parsnip, is a herbaceous perennial or biennial plant of the family Apiaceae. It is an umbelliferous plant, in the same group as fennel, cow parsley, ground elder and giant hogweed...

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