| Classification | Cactaceae: Cactus |
| Classification 1 | Cactaceae: Melocactus |
| Harvard University Herbaria Barcode(s) | 00061808 |
| Type Status | Isotype |
| Collector | Albert C. Smith |
| Collector number | 3388 |
| Country | Guyana |
| Geography | South America: South America (Region) (Region): Guyana |
| Locality | Northwestern slopes of Kanuku Mountains, in drainage of Moku-moku Creek (Takutu tributary), on exposed rocky ledges, 150-400 m. |
| Date Collected | 1938-04-16 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/34db2e4d-1225-4699-830b-d306f9d1352f |
| Harvard University Herbaria Barcode | 00061808 |
| Herbarium | GH |
| Family | Cactaceae |
| Type Status | Isotype |
| Isotype of | Cactus smithii Alexander |
| Verified by | W. T. Kittredge |
| Taxon Reference | (for Cactus smithii Alexander) Lloydia 1939. 2: 200. |
| Family | Cactaceae |
| Determination | Melocactus smithii (Alexander) Buining ex G. D. Rowley |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
