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CCDB → Angiosperms → Xanthorrhoeaceae → Haworthia → Haworthia coarctata Haw.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Haworthia fulva G. G. Sm. | Haworthia coarctata Haw. | 14 | IPCN65 | Riley & M. 1965 | ||
| ! | Haworthia baccata G. G. Sm. | Haworthia coarctata Haw. | 28 | IPCN65 | Riley & M.1965 | ||
| ! | Haworthia greenii var. silvicola G. G. Sm. | Haworthia coarctata Haw. | 28 | IPCN65 | Riley & M. 1965 | ||
| ! | Haworthia musculina G. G. Sm. | Haworthia coarctata Haw. | 28 | IPCN65 | Riley & M. 1965 | ||
| ! | Haworthia reinwardtii var. chalwinii (Marloth & A. Berger) Resende | Haworthia coarctata Haw. | 28 | IPCN65 | Riley & M. 1965 | ||
| ! | Haworthia reinwardtii var. huntsdriftensis G. G. Sm. | Haworthia coarctata Haw. | 28 | IPCN65 | Riley & M.1965 | ||
| Haworthia coarctata Haw. | Haworthia coarctata Haw. | 14,28 | IPCN online | ||||
| Haworthia coarctata Haw. | Haworthia coarctata 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 coarctata | Haworthia coarctata Haw. | 14,21,42 | IPCN online | |||
| ! | Haworthia reinwardtii var. huntsdriftensis G. G. Sm. | Haworthia coarctata Haw. | 14 | IPCN online | |||
| ! | Haworthia resendeana Poelln. | Haworthia coarctata Haw. | 21 | IPCN66 | Riley &Majumdar 1966 | ||
| ! | Haworthia coarctata Haw. | Haworthia coarctata Haw. | 14 | IPCN67-71 | BRANDHAM, P.E. 1971. Chromosomes of the Liliaceae II, Polyploidy and karyotype variation in the Aloineae. Kew Bull. 25: 381-399. | ||
| ! | Haworthia fulva G. G. Sm. | Haworthia coarctata Haw. | 28 | IPCN67-71 | RILEY, H.P., S.K. MAJUMDAR. 1968. Three new chromosomal translocations in Haworthia. Canad. J. Genet. Cytol. 10: 487-494. | ||
| ! | Haworthia musculina G. G. Sm. | Haworthia coarctata Haw. | 28 | IPCN67-71 | BRANDHAM, P.E. 1971. Chromosomes of the Liliaceae II, Polyploidy and karyotype variation in the Aloineae. Kew Bull. 25: 381-399. | ||
| ! | Haworthia reinwardtii var. chalwinii (Marloth & A. Berger) Resende | Haworthia coarctata Haw. | 14 | IPCN67-71 | BRANDHAM, P.E. 1971. Chromosomes of the Liliaceae II, Polyploidy and karyotype variation in the Aloineae. Kew Bull. 25: 381-399. | ||
| ! | Haworthia reinwardtii var. conspicua Poelln. | Haworthia coarctata Haw. | 14 | IPCN67-71 | BRANDHAM, P.E. 1971. Chromosomes of the Liliaceae II, Polyploidy and karyotype variation in the Aloineae. Kew Bull. 25: 381-399. | ||
| ! | Haworthia reinwardtii var. fallax (Poelln.) Poelln. | Haworthia coarctata Haw. | 14 | IPCN67-71 | BRANDHAM, P.E. 1971. Chromosomes of the Liliaceae II, Polyploidy and karyotype variation in the Aloineae. Kew Bull. 25: 381-399. | ||
| ! | Haworthia baccata G. G. Sm. | Haworthia coarctata 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 coarctata var. kraussii Resende | Haworthia coarctata Haw. | 42 | 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 coarctatoides Resende & Viveiros | Haworthia coarctata Haw. | 42 | 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 fulva G. G. Sm. | Haworthia coarctata 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 greenii var. silvicola G. G. Sm. | Haworthia coarctata 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 musculina G. G. Sm. | Haworthia coarctata 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 reinwardtii var. chalwinii (Marloth & A. Berger) Resende | Haworthia coarctata 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 reinwardtii var. huntsdriftensis G. G. Sm. | Haworthia coarctata 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 resendeana Poelln. | Haworthia coarctata Haw. | 21 | 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. | ||
| ! | Apicra bicarinata Resende | Haworthia coarctata Haw. | 21 | Fedorov, 1974 | Resende 1937a | ||
| ! | Haworthia resendeana Poelln. | Haworthia coarctata Haw. | 21 | Darlington, 1955 | Snoad 1952 | ||
| ! | Haworthia chalwinii Marloth & A. Berger | Haworthia coarctata Haw. | 28 | Darlington, 1955 | Resende 1937 | ||
| ! | Haworthia coarctata Haw. | Haworthia coarctata Haw. | 42 | Darlington, 1955 | Snoad 1951 | ||
| ! | Haworthia coarctatoides Resende & Viveiros | Haworthia coarctata Haw. | 42 | Darlington, 1955 | |||
| Haworthia coarctata Haw. | Haworthia coarctata Haw. | 28 | Oberlander, 2016 | Mogford & Rautenbach, 1981 | |||
| ! | Haworthia reinwardtii var. chalwinii (Marloth & A. Berger) Resende | Haworthia coarctata Haw. | 26 | Cave1962 | Riley & Muk. 1962b |