Publication: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 14: 9. 1856.
Origin: Native
Herbarium search: CPNWH
Notes: FNA5: "Variety douglasii is widespread in scattered, disjunct populations in southeastern Washington (Columbia, Douglas, Ferry, Kittitas, Klickitat, and Yakima counties) and northeastern Oregon (Baker, Gilliam, Grant, Jefferson, Malheur, Sherman, Union, Wallowa, and Wasco counties)."
Last updated 6/7/2020 by David Giblin.