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CCDB → Angiosperms → Rosaceae → Rubus → Rubus × nigakuma Oka & Naruh.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Rubus × nigakuma Oka & Naruh. | Rubus × nigakuma Oka & Naruh. | 14 | IPCN online | Iwatsubo, Y. & N. Naruhashi. 1993. Cytotaxonomical studies of Rubus (Rosaceae) II. Chromosome numbers of 21 species and 6 natural hybrids. J. Jap. Bot. 68: 159–165. |