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CCDB → Pteridophytes → Blechnaceae → Blechnum → Blechnum castaneum Makino & Nemoto
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Blechnum castaneum Makino & Nemoto | Blechnum castaneum Makino & Nemoto | 340 | IPCN online | Nakato, N. 1987. Chromosome numbers of three endemic species of the fern genus Blechnum in Japan. J. Jap. Bot. 62: 129–133. |