Publication: Proc. Amer. Acad. Arts. 8: 161.
selected vouchers: Not at WTU; WS?
Notes: FNA5 says that this taxon occurs in Yakima County. Both H&C and JPM state range to OR.
FNA5: "Variety marifolium occurs in widely scattered locations, often on volcanic peaks, in Washington (Yakima County), Oregon (Crook, Deschutes, Douglas, Hood River, Jackson, Jefferson, Klamath, Lane, Linn, and Marion counties), and north-central California (to Shasta County)."