[The Parsley Family West of the Cascade Mountains of Oregon and Washington]

Cow Parsnips and Hogweeds West of the Cascade Mountains of Oregon and Washington

The Genus Heracleum

Cow Parsnip, Common Cow-parsnip, American Cow-parsnip: Heracleum maximum (Synonym: Heracleum lanatum)

Cow parsnip: Heracleum maximum

Giant Hogweed: Heracleum mantegazzianum -

American Cow-parsnip, American Hogweed, Common Cow-parsnip, Cow Parsnip: Heracleum maximum (Synonyms: Heracleum douglasii, Heracleum lanatum, Heracleum sphondylium, Heracleum sphondylium var. lanatum) -

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