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CCDB → Angiosperms → Cactaceae → Echinocereus → Echinocereus papillosus var. angusticeps (Clover) W. T. Marshall
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Echinocereus angusticeps Clover | Echinocereus papillosus var. angusticeps (Clover) W. T. Marshall | 22 | Fedorov, 1974 | Beard 1937 |