| Classification | Cactaceae: Echinocereus |
| Classification 1 | Cactaceae: Echinocactus |
| Harvard University Herbaria Barcode(s) | 00247433 |
| Collector | E. J. Palmer |
| Collector number | 37471 |
| Country | United States of America |
| State | South Dakota |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Dakota |
| Locality | Near Pringle, Custer County |
| Date Collected | 1929-06-22 |
| Habitat | Amongst rocks, dry hillsides with south and west exposures |
| Container | Plants of South Dakota |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ba0e082e-e6ed-4e28-8e2c-07e96c824683 |
| Harvard University Herbaria Barcode | 00247433 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Echinocereus viridiflorus Engelmann |
| Determined by | Kenneth D. Heil (San Juan College) |
| Date Determined | 1990 |
| Determination Remarks | Flora of North America [current name] |
| Annotation Text | variety viridiflorus |
| Family | Cactaceae |
| Determination | Echinocactus simpsonii Engelmann |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
