Oregon, U.S.A. Lane County: Willamette Valley, Green Island at confluence of Willamette and McKenzie Rivers, 2.5 air miles west-northwest of Coburg. Elev. 375 ft. NAD 27
Géolocalisation
44.1448 , -123.1147
Numéro de récolte
872
Habitat
Sandy soils on annual floodplain. With Hypochaeris glabra, Chenopodium ambrosioides.