| Classification | Apocynaceae: Amsonia |
| Harvard University Herbaria Barcode(s) | 00078640 |
| Type Status | Holotype |
| Collector | R. Kral |
| Collector number | 34502 |
| Country | United States of America |
| State | Alabama |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Alabama |
| Locality | 5.3 miles south of Samson, on Ala 87 |
| Date Collected | 1969-04-26 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/268bf1d6-e52d-4a5a-abbb-4bdac6a29e0a |
| Harvard University Herbaria Barcode | 00078640 |
| Herbarium | GH |
| Family | Apocynaceae |
| Type Status | Holotype |
| Holotype of | Amsonia rigida var. scabrimarginata J. K. Williams |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
