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CCDB → Pteridophytes → Dryopteridaceae → Dryopteris → Dryopteris ryo-itoana S. Kurata
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Dryopteris ryo-itoana S. Kurata | Dryopteris ryo-itoana S. Kurata | 123 | IPCN67-71 | HIRABAYASHI, H. 1969. Chromosome numbers in Japanese species of Dryopteris (3). J. Jap. Bot. 44: 85-96. | ||
| ! | Dryopteris ryo-itoana S. Kurata | Dryopteris ryo-itoana S. Kurata | 123 | Love, 1977 | Hirabayashi 1969a | ||
| ! | Dryopteris ryo-itoana S. Kurata | Dryopteris ryo-itoana S. Kurata | 123 | eFlora |