Rhamnus californica Eschsch. ssp. ursina (Greene) C.B. Wolf
[= Frangula californica ssp. ursina]

Oregon: Josephine County: Siskiyou National Forest; 11.7 m W of Selma on Illinois River Road (rd. 3504). Elev. 1430 ft.
Dry rocky slopes with Quercus kelloggii, Q. garryana, Pinus jeffreyi, Calocedrus, Arbutus menziesii. Shrub ca. five feet tall; frequent; petals greenish. Phenology: Flowers.

Melinda F. Denton 2411, Jun 20, 1973
ID, Accession: 64318, Barcode: ID076040