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| Family | Brassicaceae |
| Basionym | Raphanorhyncha crassa Rollins |
| Original Identification | Nerisyrenia |
| Current Taxon | Raphanorhyncha crassa Rollins |
| Protologue Citation | Contributions from the Gray Herbarium of Harvard University 206: 10. 1976. |
| Holotype/Isotype | Isotype |
| DUKE Accession Number | 310229 |
| Comments | |
| Primary Collector | M. C. Johnston |
| Collector Number | 10536 |
| Collection Date | 2 Apr 1973 |
| Country | Mexico |
| Province/State | Chihuahau |
| Plant Location Notes | 25.5 km. N. of the Camargo-Jiemenez hiway on the road to La Perla; and 11.5 km. S. of Restaurante El Herradero. 27°48' N 104°51'30" W. Alt. 1250 m. Badly overgrazed tobosa flat (zacatonal). Alluvial flat (Bajio El Gringo). Fine-textured alluvium. |
| Plant Description Notes | Locally abundant herb to 1 m. Herbage very fleshy and glaucous; fruit long tapering; flowers with heavy fragrance. |
| DUKE Barcode | DUKE 0000652 |
| Broad geographical location | North America |
