Arabis macdonaldiana Eastw.
[= Arabis mcdonaldiana]
Annotated by Al-Shehbaz, I., 2016.

Oregon: Josephine: [locality and coordinates withheld; status in Oregon: S1 (Critically Imperiled; OBIC)],
On rocky hillside. HerbariumSpecimenDuplicate: Arabis macdonaldiana | herbariumSpecimenDuplicate: Arabis macdonaldiana | herbariumSpecimenDuplicate: Arabis mcdonaldiana | herbariumSpecimenDuplicate: Arabis aculeolata Https://oregonflora.org/collections/individual/index.php?occid=4433261. Phenology: flowering.

James W. Thompson 2240, Apr 12, 1927
With J.W. Thompson
OSC, Catalog: OSC-V-021019, Accession Number: ORE35494