| Name | Opuntia humifusa var. austrina (Small) Dress |
| Authorship | (Small) Dress |
| Rank | Variety |
| Placed in | Opuntia humifusa (Rafinesque) Rafinesque |
| Citation | 1975 Baileya 19(4): 164 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Opuntia humifusa var. austrina (Small) Dress |
| Identification made in | [no date] (12) |
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