Dryopteris aristata (G. Forst.) Kuntze

Oregon: Umatilla County: Web Cannon. 26.0 km east-southeast of Walla Walla and 2.2 km southeast of the state line. Blue Mountains. Mill Creek drainage system. Elev. 695 m.
Coniferous forest. Rocky soil. Northern slope. Phenology: Vegetative.

S.R. Blattler 226, May 3, 1992
WCW, Accession: 17155