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CCDB → Angiosperms → Xanthorrhoeaceae → Haworthia → Haworthia planifolia var. longifolia Poelln.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Haworthia planifolia var. longifolia Poelln. | Haworthia cymbiformis (Haw.) Duval | 14 | IPCN65 | Riley & M. 1965 | ||
| ! | Haworthia planifolia var. longifolia Poelln. | Haworthia cymbiformis (Haw.) Duval | 14 | IPCN66 | Riley &Majumdar 1966 | ||
| ! | Haworthia planifolia var. longifolia Poelln. | Haworthia cymbiformis (Haw.) Duval | 14 | IPCN66 | Riley &Majumdar 1966 |