[The Parsley Family West of the Cascade Mountains]

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

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

Giant Hogweed: Heracleum mantegazzianum -


Paul Slichter E-mail