| Classification | Brassicaceae: Arabis |
| Classification 1 | Brassicaceae: Boechera |
| Classification 2 | Brassicaceae: Arabis |
| Harvard University Herbaria Barcode(s) | 00251299 |
| Type Status | Isolectotype |
| Collector | A. Nelson & E. E. Nelson |
| Collector number | 5505 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming |
| Locality | Yellowstone National Park. Madison River |
| Date Collected | 1899-06-23 |
| Habitat | on stony flats near the river |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c944bdf2-fa85-4f30-97df-5dfcf57be8d9 |
| Harvard University Herbaria Barcode | 00251299 |
| Herbarium | GH |
| Family | Brassicaceae |
| Type Status | Isolectotype |
| Isolectotype of | Arabis lignipes A. Nelson |
| Verified by | Michael Windham (UT) & Ihsan Al-Shehbaz (MO) |
| Date Determined | 2006 |
| Taxon Reference | (for Arabis lignipes A. Nelson) Bot. Gaz. Sep 1900. 30(3): 191. |
| Family | Brassicaceae |
| Determination | Boechera retrofracta (Graham) A. Löve & D. Löve |
| Determined by | Michael Windham (UT) & Ihsan Al-Shehbaz (MO) |
| Date Determined | 2006 |
| Determination Remarks | [current name] |
| Family | Brassicaceae |
| Determination | Arabis holboellii var. retrofracta (Graham) Rydberg |
| Determined by | R. C. Rollins |
| Date Determined | 1940 |
| Family | Brassicaceae |
| Determination | Arabis lignipes A. Nelson |
| Determined by | A. Nelson & E. E. Nelson |
| Date Determined | 1899 |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
