| Classification | Brassicaceae: Arabis | 
| Classification 1 | Brassicaceae: Boechera | 
| Barcode(s) | 00018731 | 
| Type Status | Holotype | 
| Collector | J. Macoun | 
| Country | Canada | 
| State | British Columbia | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: British Columbia: Columbia-Shuswap Regional District: Revelstoke | 
| Date Collected | 1890-05-13 | 
| Remarks | = Arabis microphylla Nuttall (det. G. A. Mulligan, 1991) | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4aca74e7-0855-4932-99fa-0dae317f6451 | 
| Harvard University Herbaria Barcode | 00018731 | 
| Herbarium | GH | 
| Family | Brassicaceae | 
| Type Status |  Holotype | 
| Holotype of |  Arabis macounii S. Watson | 
| Verified by | Ihsan Al-Shehbaz (MO) | 
| Date Determined | 2006 | 
| Taxon Reference | (for  Arabis macounii S. Watson) Proc. Amer. Acad. Arts 1891. 26: 124. | 
| Family | Brassicaceae | 
| Determination |  Boechera macounii S. Watson | 
| Determined by | Michael Windham (UT) & Ihsan Al-Shehbaz (MO) | 
| Date Determined | 2006 | 
| Determination Remarks |  [current name] | 
| Family | Brassicaceae | 
| Determination |  Arabis microphylla Nuttall | 
| Determined by | G. A. Mulligan (DAO) | 
| Date Determined | 1991-04-12 | 
| Determination Remarks |  [current name] | 
| Family | Brassicaceae | 
| Determination |  Arabis microphylla var. macounii (S. Watson) Rollins | 
| Determined by | R. C. Rollins | 
| Date Determined | 1938 | 
| Determination Remarks |  [current name] | 
| Family | Brassicaceae | 
| Determination |  Arabis macounii S. Watson | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |