Rhamnus rubra Greene
[= Frangula rubra]
Remarks: cf.

Oregon: Deschutes County: NE of Siah Butte, Deschutes National Forest. Wake Butte Project Area Unit 114, across Road 4030 from Road 700. Elev. 4740 ft.
T19S R09E S34 SWSW
Datum: NAD 27. Uncertainty: 800 meters. Coordinate Source: TRS2LL.
In shade among tumbled lava rocks. Assoc.: Pinus contorta, P. ponderosa, Abies concolor, Ceanothus velutinus, Arctostaphylos patula, Purshia tridentata, Holodiscus dumosus, Chimaphila umbellata, Penstemon davidsonii. Height 6 inches. Phenology: Fertile.

Ron & Joy Mastrogiuseppe 6292, Aug 7, 1991
ID, Accession: 157912, Barcode: ID076020