PRE 10 November 2004.
Locality: California, Siskiyou County, W of Weed, Mt. Eddy 11 km W of Stewart Springs Rd., on Parks Creek Rd.
Coordinates: 41.3667, -122.5333
(Map it)
Comment: Growing in shaded creek margins on granite substrate with Calocedrus decurrens, Pinus murrayana, Ribes sanguineum ssp. sanguineum, Physocarpus capitatus, Salix.
Collector(s):