| Classification | Asclepiadaceae: Asclepias | 
| Harvard University Herbaria Barcode(s) | 00993824 | 
| Collector | S. D. McKelvey | 
| Collector number | 1991 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Presidio County | 
| Locality | About 5 miles west of Marfa | 
| Date Collected | 1931-04-25 | 
| Habitat | in broken rock on dry slope | 
| Container | Plants of Texas | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/364f565b-f341-41fc-b4e5-086884c8285d | 
| Harvard University Herbaria Barcode | 00993824 | 
| Herbarium | GH | 
| Previous ownership | Distributed from Arnold Arboretum, Harvard University | 
| Family | Asclepiadaceae | 
| Determination | Asclepias nummularia Torrey | 
| Determined by | Adelson, Glenn | 
| Date Determined | 1992 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |