| Classification | Euphorbiaceae: Euphorbia |
| Barcode(s) | 00047684 |
| Type Status | Isotype |
| Collector | C. A. Geyer |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois |
| Locality | Beardstown |
| Date Collected | 1842-08-** |
| Habitat | sandy woods |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ca23cb44-1f14-4d55-9185-275b90e56ae0 |
| Harvard University Herbaria Barcode | 00047684 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Type Status | Isotype |
| Isotype of | Euphorbia geyeri Engelmann |
| Taxon Reference | (for Euphorbia geyeri Engelmann) Boston J. Nat. Hist. 1845. 5: 260. |
| Family | Euphorbiaceae |
| Determination | Euphorbia geyeri Engelmann |
| Determined by | L. C. Wheeler (GH) |
| Date Determined | 1939 |
| Determination Remarks | [current name] |
| Annotation Text | Isotype; Geyer in 1842 |
| Family | Euphorbiaceae |
| Determination | Euphorbia geyeri Engelmann |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | Photograph of Type (from MO) also on this sheet |