| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00026933 |
| Type Status | Syntype |
| Collector | C. C. Parry & Edw. Palmer |
| Collector number | 582 |
| Country | Mexico |
| State | San Luis Potosà |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: San Luis Potosà |
| Locality | 6000-8000 feet |
| Date Collected | 1878 |
| Elevation | 1828 - 2438 m |
| Container | Central Mexican Flora. Chiefly in the Region of San Luis Potosi |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e72cbcf4-b734-48a0-ae02-a6e3309a8c6b |
| Harvard University Herbaria Barcode | 00026933 |
| Herbarium | GH |
| Family | Asclepiadaceae |
| Type Status | Syntype |
| Syntype of | Asclepias schaffneri A. Gray |
| Taxon Reference | (for Asclepias schaffneri A. Gray) Proc. Amer. Acad. Arts 1881. 16: 103. |
| Family | Asclepiadaceae |
| Determination | Asclepias quinquedentata A. Gray |
| Determined by | R. E. Woodson, Jr. |
| Date Determined | 1952 |
| Determination Remarks | [current name] |
| Family | Asclepiadaceae |
| Determination | Asclepias schaffneri A. Gray |
| Determination Remarks | [label name] |
| Subcollection | Wood collection |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Self |
| Preparation Method | Wood |
| Item Remarks | [mounted on right, with J. G. Schaffner Syntype 26932 on left] |