| Classification | Brassicaceae: Streptanthus | 
| Harvard University Herbaria Barcode(s) | 00019692 | 
| Type Status | Isotype | 
| Collector | C. W. Sharsmith & H. K. Sharsmith | 
| Collector number | 3074 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Santa Clara County | 
| Locality | Arroyo Bayo, 6.8 miles southeast of Isabel Creek on road to San Antonio Valley, Mount Hamilton Range, 2000 feet | 
| Date Collected | 1935-05-05 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3bd0cc23-82fc-4463-bbe7-a048a1833f6b | 
| Harvard University Herbaria Barcode | 00019692 | 
| Herbarium | GH | 
| Family | Brassicaceae | 
| Type Status | Isotype | 
| Isotype of | Streptanthus callistus J. L. Morrison | 
| Verified by | D. W. Taylor | 
| Date Determined | 1994 | 
| Determination Remarks | The material in the left-hand fragment folder is not original material, being seeds Morrison collected just prior to Publication, since he did not cite in protologue. The contents of the lower left-hand fragment folder are therefore not type material | 
| Taxon Reference | (for  Streptanthus callistus J. L. Morrison) MadroƱo 1938. 4: 205. | 
| Family | Brassicaceae | 
| Determination | Streptanthus callistus J. L. Morrison | 
| Determined by | D. W. Taylor | 
| Date Determined | 1994 | 
| Determination Remarks | [current name] | 
| Family | Brassicaceae | 
| Determination | Streptanthus callistus J. L. Morrison | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |