[The Parsley Family in the Cascade Mountains]
Cow Parsnip and Hogweeds of the Cascade Mountains of Oregon and Washington

The Genus Heracleum

 

 

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

Giant Hogweed: Heracelum mantegazzianum -

Paul Slichter E-mail