| Name | Coryphantha vivipara var. radiosa (Engelmann) Backeberg |
| Authorship | (Engelmann) Backeberg |
| Rank | Variety |
| Placed in | Coryphantha vivipara (Nuttall) Britton & Rose |
| Citation | 1961 Cactaceae (Backeberg) 5: 2998 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Coryphantha vivipara var. radiosa (Engelmann) Backeberg |
| Identification made in | [no date] (2) |
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