| Classification | Asclepiadaceae: Cynanchum | 
| Classification 1 | Asclepiadaceae: Orthosia | 
| Classification 2 | Asclepiadaceae: Vincetoxicum | 
| Harvard University Herbaria Barcode(s) | 00267333 | 
| Type Status | Isotype | 
| Collector | H. v. Türckheim | 
| Collector number | 1290 | 
| Country | Guatemala | 
| State | Alta Verapaz | 
| Geography | North America: Central America (Region): Guatemala: Alta Verapaz | 
| Locality | Pansamalá, 3800 feet | 
| Date Collected | 1887-07-** | 
| Elevation | 1158 m | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0ff12669-78fc-469a-b8d0-9c3e0228a211 | 
| Harvard University Herbaria Barcode | 00267333 | 
| Herbarium | GH | 
| Family | Asclepiadaceae | 
| Type Status | Isotype | 
| Isotype of | Cynanchum miserum L. O. Williams | 
| Verified by | W. T. Kittredge | 
| Date Determined | 2008 | 
| Taxon Reference | (for  Cynanchum miserum L. O. Williams) Fieldiana, Bot. 1968. 32: 38. | 
| Family | Asclepiadaceae | 
| Determination | Orthosia guilleminiana Liede & Meve | 
| Determined by | W. T. Kittredge | 
| Date Determined | 2008 | 
| Determination Remarks | [current name] | 
| Annotation Text | Novon 18: 205. 2008 | 
| Family | Asclepiadaceae | 
| Determination | Cynanchum miserum L. O. Williams | 
| Determined by | L. O. Williams | 
| Date Determined | 1968 | 
| Family | Asclepiadaceae | 
| Determination | Vincetoxicum mexicanum S. Watson | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |