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CCDB → Angiosperms → Xanthorrhoeaceae → Haworthia → Haworthia angustifolia Haw.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Haworthia angustifolia Haw. | Haworthia angustifolia Haw. | 28 | IPCN online | MOGFORD, D. J. & J. C. Rautenbach. 1981. Chromosome studies in the southern African flora: 25-28. J. S. African Bot. 47: 783–788. | |||
| Haworthia angustifolia Haw. | Haworthia angustifolia Haw. | 14 | IPCN online | Vosa, C. G. & M. B. Bayer. 1981. Chromosome studies in the Southern African Flora: 10-21. J. S. African Bot. 47: 687–700. | |||
| ! | Haworthia angustifolia var. liliputana Uitewaal | Haworthia angustifolia Haw. | 14 | IPCN66 | Riley &Majumdar 1966 | ||
| ! | Haworthia angustifolia var. albanensis (Schönland) Poelln. | Haworthia angustifolia Haw. | 28 | 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. | ||
| ! | Haworthia angustifolia var. liliputana Uitewaal | Haworthia angustifolia 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. | ||
| ! | Haworthia angustifolia var. angustifolia | Haworthia angustifolia 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. | ||
| Haworthia angustifolia Haw. | Haworthia angustifolia Haw. | 14 | Oberlander, 2016 | Vosa & Bayer, 1981 | |||
| Haworthia angustifolia Haw. | Haworthia angustifolia Haw. | 28 | Oberlander, 2016 | Mogford & Rautenbach, 1981;Vosa & Bayer, 1981 |