[Cow Parsnips and Hogweeds: The Genus Heracleum West of the Cascade Mountains of Oregon and Washington]

American Cow-parsnip, American Hogweed, Common Cow-parsnip, Cow Parsnip

Heracleum maximum

Synonyms: Heracleum douglasii, Heracleum lanatum, Heracleum sphondylium, Heracleum sphondylium var. lanatum

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

Cow parsnip as seen atop Saddle Mountain in the Coast Range of northwestern Oregon..........June 14, 2009.

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

Cow parsnip as seen atop Saddle Mountain in the Coast Range of northwestern Oregon...............June 14, 2009.

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

Cow parsnip blooming high on the connector trail on the south side of Klahhane Ridge, Olympic National Park.........July 27, 2014.
Paul Slichter