Publication: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 14: 9. 1856.
Origin: Native
selected vouchers: WTU
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)."
References: (none)