| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00026924 |
| Type Status | Holotype |
| Collector | Edw. Palmer |
| Collector number | 344 |
| Country | Mexico |
| State | Jalisco |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Jalisco |
| Locality | Rio Blanco |
| Date Collected | 1886-08-** |
| Container | Mexican Flora: State of Jalisco |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f09350cc-72dd-414f-a20c-649bad90501a |
| Harvard University Herbaria Barcode | 00026924 |
| Herbarium | GH |
| Family | Asclepiadaceae |
| Determination | Asclepias macroura A. Gray |
| Determination Remarks | [is label name] |
| Family | Asclepiadaceae |
| Determination | Asclepias elata Bentham |
| Determined by | R.E. Woodson, Jr. |
| Date Determined | 1952 |
| Determination Remarks | [is Current name] |
| Annotation Text | Asclepias elata x glaucescens |
| Family | Asclepiadaceae |
| Type Status | Holotype |
| Holotype of | Asclepias ×macroura A. Gray |
| Taxon Reference | (for Asclepias ×macroura A. Gray) Proc. Amer. Acad. Arts 1887. 22: 436. |
| Subcollection | Wood collection |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Self |
| Preparation Method | Wood |
