| Classification | Brassicaceae: Arabis |
| Harvard University Herbaria Barcode(s) | 00061251 |
| Type Status | Holotype |
| Collector | C. A. Ground & G. J. Muth |
| Collector number | 1790 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Siskiyou County |
| Locality | Open seepage below timberline on a west-facing slope; upper end of Rattlesnake Meadows, Preston Peak |
| Georeference | 41.81888889, -123.63333333 Method: Unknown |
| Date Collected | 1972-06-26 |
| Elevation | 1737 m |
| Habitat | Steep and rocky slope, with Abies procera and Pinus monticola. |
| Substrate | serpentine |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/baf0f873-e08e-472f-af5a-9af8e8197ccf |
| Harvard University Herbaria Barcode | 00061251 |
| Herbarium | GH |
| Family | Brassicaceae |
| Type Status | Holotype |
| Holotype of | Arabis serpentinicola Rollins |
| Verified by | I. Al-Shehbaz |
| Date Determined | 2004 |
| Taxon Reference | (for Arabis serpentinicola Rollins) Contr. Gray Herb. 1973. 204: 150. |
| Family | Brassicaceae |
| Determination | Arabis macdonaldiana Eastwood |
| Determined by | Linda Ann Vorokik (University of Washington Herbarium) |
| Date Determined | 1997 |
| Determination Remarks | Identity confirmed I. Al-Shehbaz, 2004 [current name] |
| Family | Brassicaceae |
| Determination | Arabis macdonaldiana Eastwood |
| Determined by | D.L. Goforth |
| Date Determined | 1983-04-** |
| Determination Remarks | [current name] |
| Subcollection | Wood collection |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Self |
| Preparation Method | Wood |
