| Name | Parodia microsperma (F. A. C. Weber) Spegazzini |
| Authorship | (F. A. C. Weber) Spegazzini |
| Rank | Species |
| Placed in | Parodia Spegazzini |
| Citation | 1923 Anales Soc. Ci. Argent. 96: 70 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Parodia microsperma (F. A. C. Weber) Spegazzini |
| Identification made in | [no date] (5) |