| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00961245 |
| Collector | J. A. Shafer |
| Collector number | 613 |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Allegheny County: Pittsburgh |
| Locality | Rear of Allegheny Cemetery |
| Date Collected | 1884 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8f43dc33-5e92-40a2-a394-755fde4da01e |
| Harvard University Herbaria Barcode | 00961245 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium of J. A. Shafer, Ph. G. |
| Family | Asclepiadaceae |
| Determination | Asclepias quadrifolia Jacquin |
| Determined by | F. J. S. |
| Date Determined | 1915 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
