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CCDB → Angiosperms → Xanthorrhoeaceae → Haworthia → Haworthia arachnoidea var. nigricans (Haw.) M. B. Bayer
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Haworthia unicolor var. venteri (Poelln.) M. B. Bayer | Haworthia arachnoidea var. nigricans (Haw.) M. B. Bayer | 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 arachnoidea var. nigricans (Haw.) M. B. Bayer | Haworthia arachnoidea var. nigricans (Haw.) M. B. Bayer | 14 | C-values database | Zonneveld BJM. 2015. Nuclear genome sizes of 343 accessions of wild collected Haworthia and Astroloba (Asphodelaceae, Alooideae), compared with the genome sizes of Chortolirion, Gasteria and 83 Aloe species. Plant Systematics and Evolution 301: 931-953. |