| Classification | Brassicaceae: Sisymbrium |
| Classification 1 | Brassicaceae: Mostacillastrum |
| Classification 2 | Brassicaceae: Thelypodiopsis |
| Barcode(s) | 00019734 |
| Type Status | Type, Holotype |
| Collector | D. S. Correll & I. M. Johnston |
| Collector number | 19941 |
| Country | Mexico |
| State | Nuevo León |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León |
| Locality | 1-2 miles southwest of Pablillo |
| Date Collected | 1958-07-21 |
| Habitat | In open pinyon forest on slope |
| Container | Plants of Mexico: Nuevo Leon |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/86aefbe2-3608-4580-8a68-a51b1867c9a8 |
| Harvard University Herbaria Barcode | 00019734 |
| Herbarium | GH |
| Previous ownership | Lundell Herbarium, Texas Reserach Foundation |
| Family | Brassicaceae |
| Type Status | Type |
| Type of | Sisymbrium arcuatum Rollins |
| Taxon Reference | (for Sisymbrium arcuatum Rollins) Rhodora 1960. 62: 58. |
| Family | Brassicaceae |
| Type Status | Holotype |
| Holotype of | Sisymbrium arcuatum Rollins |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Sisymbrium arcuatum Rollins) Rhodora 1960. 62: 58. |
| Family | Brassicaceae |
| Determination | Mostacillastrum arcuatum (Rollins) Al-Shehbaz |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [current name] |
| Family | Brassicaceae |
| Determination | Thelypodiopsis arcuata (Rollins) Rollins |
| Determined by | Rollins, Reed Clark |
| Date Determined | 1976 |
| Annotation Text | Holotype |
| Family | Brassicaceae |
| Determination | Sisymbrium arcuatum Rollins |
| Determined by | [R. C. Rollins (scripsit) annotation on label, W. T. Kittredge, 2012] |
| Annotation Text | Type |
| Family | Brassicaceae |
| Determination | Sisymbrium sp. |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
