Arabis macdonaldiana Eastw. ssp. aculeolata (Greene) Goforth
Annotated by Dwain Goforth, Jul 1986.
Oregon: Josephine County: Rough and Ready Creek. Elev. 1450 ft.
Strong flats among brush. Phenology: Flowers.
Joseph P. Tracy 12321, May 24, 1933
WTU, Accession: 205441