| Classification | Cactaceae: Echinocereus | 
| Harvard University Herbaria Barcode(s) | 00247472 | 
| Collector | I. M. Johnston | 
| Collector number | 3199 | 
| Country | Mexico | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico | 
| Locality | San Sebastan Island | 
| Date Collected | 1921-04-20 | 
| Habitat | common on rocky hillsides | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/06ce1854-bc3d-4819-9ddc-7a04bd129148 | 
| Harvard University Herbaria Barcode | 00247472 | 
| Herbarium | A | 
| Family | Cactaceae | 
| Determination | Echinocereus grandis Britton & Rose | 
| Determination Remarks | [filed under] [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |