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CCDB → Angiosperms → Xanthorrhoeaceae → Haworthia → Haworthia asperiuscula Haw.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Haworthia asperiuscula Haw. | Haworthia viscosa (L.) Haw. | 14 | IPCN66 | Riley &Majumdar 1966 | ||
| Haworthia asperiuscula Haw. | Haworthia viscosa (L.) Haw. | 7 | IPCN67-71 | BRANDHAM, P.E. 1971. Chromosomes of the Liliaceae II, Polyploidy and karyotype variation in the Aloineae. Kew Bull. 25: 381-399. | |||
| Haworthia asperiuscula Haw. | Haworthia viscosa (L.) Haw. | 7 | IPCN67-71 | BRANDHAM, P.E. 1971. Chromosomes of the Liliaceae II, Polyploidy and karyotype variation in the Aloineae. Kew Bull. 25: 381-399. | |||
| ! | Haworthia asperiuscula Haw. | Haworthia viscosa (L.) Haw. | 14 | IPCN73-74 | MAJUMDAR, S.K., & H.P. RILEY. 1973. Chromosome numbers, pollen fertility, and pollen size in Haworthia species and hybrids. Canad. J. Bot .. 51: 1753-1759. |