| Name | Carduus austrinus Small |
| Authorship | Small |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Carduus Linnaeus |
| GUID | urn:lsid:ipni.org:names:188444-1 |
| Citation | 1903 Fl. S.E. U.S. [Small] 1307, 1341 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Carduus austrinus Small |
| Identification made in | [no date] (4) |
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