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CCDB → Pteridophytes → Osmundaceae → Plenasium → Plenasium javanicum (Blume) C. Presl
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Osmunda javanica Blume | Plenasium javanicum (Blume) C. Presl | 22 | IPCN online | Bidin, A. A. 1988. A further chromosome count for Osmunda (Osmundales) from peninsular Malaysia. Gard. Bull. Singapore 41: 93–94. | |||
| ! | Osmunda javanica Blume | Plenasium javanicum (Blume) C. Presl | 22 | IPCN66 | Manton in Holttum 1954 | ||
| ! | Osmunda javanica Blume | Plenasium javanicum (Blume) C. Presl | c.42 | Love, 1977 | Sarbadhikari 1939 | ||
| ! | Osmunda javanica Blume | Plenasium javanicum (Blume) C. Presl | 44 | Love, 1977 | Manton 1950 | ||
| ! | Osmunda javanica Blume | Plenasium javanicum (Blume) C. Presl | 44 | Love, 1977 | Manton 1954b | ||
| ! | Osmunda javanica Blume | Plenasium javanicum (Blume) C. Presl | 44 | Love, 1977 | Manton & Sledge 1954 | ||
| ! | Osmunda javanica Blume | Plenasium javanicum (Blume) C. Presl | 22 | Cave1956supp | Manton & Sledge 1954 |