| Name | Horridocactus marksianus (F.Ritter) Backeb. |
| Authorship | |
| Rank | Species |
| Placed in | Horridocactus Backeberg |
| Remarks | [imported from GBIF] |
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| Name | Horridocactus marksianus (F.Ritter) Backeb. |
| Authorship | |
| Rank | Species |
| Placed in | Horridocactus Backeberg |
| Remarks | [imported from GBIF] |