Pinus ponderosa
Dougl. ex Lawson & P. Lawson
UC 1272181. Place of collection: USA; California; Shasta County; Trinity National Forest. Date of collection: 24 October 1959. Associated organism: Schizothyrium acuum. Collector: Quick, C.R.; Fowler, C.W.. Identifier: Quick, C.R.; Fowler, C.W..