Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmq.
Annotated by Wendy DesCamp, Roy Farrow, Randall Hitchin, 2008.

Oregon: Siskiou National Forest, 600 m southwest of Whetstone Butte, along the Kalmiopsis Rim Trail (Trail #1124.2) Elev. 4189 ft
42.2399° N, 123.8009° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
Plant in shrub layer on former site of mixed conifer forest; forest cover killed by 2002 Biscuit Fire with shrub layer regenerating; associated species include Lithocarpus densiflorus var. echinoides, Arctostaphylos canescens, Arctostaphylos patula, Arctostaphylos nevadensis, Quercus vacciniifolia, Pteridium aquilinum and regeneration of Pinus attenuata seedlings; gentle, southwest facing rocky slopes with soils derived from non-ultramafic parent material. Dominant plant; evergreen shrubs to 1.5 m; leaves dark green above with mustard yellow farina beneath; one to four nuts held with an extremely spiny involucre; involucres golden tan; collection type: seed, voucher, seed collected from >20 individuals across the population.

Wendy DesCamp 055, 2008 Sep 26
With Roy Farrow, Randall Hitchin
UBC, Accession: V241434