| Classification | Brassicaceae: Arabis |
| Classification 1 | Brassicaceae: Boechera |
| Harvard University Herbaria Barcode(s) | 00018786 |
| Collector | E. Bourgeau |
| Country | Canada |
| Geography | North America: North America (CA, US, MX) (Region): Canada |
| Locality | Rocky Mountains |
| Date Collected | 1858 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/97b73712-f4ed-41c7-9ebd-f4423e776abc |
| Harvard University Herbaria Barcode | 00018786 |
| Herbarium | GH |
| Family | Brassicaceae |
| Determination | Arabis retrofracta Graham |
| Determined by | M. H. |
| Date Determined | 1935 |
| Annotation Text | Provisional Type |
| Family | Brassicaceae |
| Determination | Arabis holboellii var. retrofracta (Graham) Rydberg |
| Determined by | Reed C. Rollins |
| Date Determined | 1940 |
| Family | Brassicaceae |
| Determination | Arabis holboellii var. retrofracta (Graham) Rydberg |
| Determined by | G. A. Mullegan (DAO) |
| Date Determined | 1991-04-22 |
| Annotation Text | Lectotype of Arabis retrofracta Graham by Hopkins in 1935. No specimen is referred to in the orginial description and there is no type in the Royal Bot. Garden in Edinburgh (Letter? to Mullegan by curator Jan. 30, 1991). |
| Family | Brassicaceae |
| Determination | Boechera retrofracta (Graham) A. Löve & D. Löve |
| Determined by | Michael Windham (UT) and Ihsan Al-Shehbaz (MO) |
| Date Determined | 2006 |
| Determination Remarks | [is Current name] |
| Annotation Text | NOT TYPE OF ANY TAXON |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
