| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00026923 |
| Type Status | Isotype |
| Collector | I. M. Johnston |
| Collector number | 4377 |
| Country | Mexico |
| State | Sonora |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Guaymas |
| Locality | San Carlos Bay |
| Date Collected | 1921-07-08 |
| Habitat | In crevices of a tufa cliff, overhanging a mangrove lagoon |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8ff8a4fb-a52f-4ba5-a220-1be1fa94b914 |
| Harvard University Herbaria Barcode | 00026923 |
| Herbarium | GH |
| Previous ownership | California Academy of Sciences |
| Family | Asclepiadaceae |
| Determination | Asclepias leptopus I. M. Johnston |
| Determination Remarks | [is label name] [is Current name] |
| Family | Asclepiadaceae |
| Type Status | Isotype |
| Isotype of | Asclepias leptopus I. M. Johnston |
| Taxon Reference | (for Asclepias leptopus I. M. Johnston) Proc. Calif. Acad. Sci. 1924. ser. 4, 12: 1127. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
