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CCDB → Pteridophytes → Polypodiaceae → Phymatosorus → Phymatosorus longissimus (Blume) P. Serm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Pleopeltis longissima (Blume) T. Moore | Phymatosorus longissimus (Blume) P. Serm. | 37 | 74 | IPCN online | Srivastava, R. B. 1985. Ferns of the Indo-Nepal border. Proc. Roy. Soc. Edinburgh, Sect. B, Biol. Sci. 86: 471–472. | ||
| Polypodium longissimum Blume | Phymatosorus longissimus (Blume) P. Serm. | 37 | 74 | IPCN online | Roy, R. P., B. M. B. Sinha & S. N. Pandey. 1969. Cyto-taxonomic studies in some epiphytic ferns of Parasnath hills. J. Cytol. Genet. 4: 97–104. | ||
| ! | Phymatosorus longissimus (Blume) P. Serm. | Phymatosorus longissimus (Blume) P. Serm. | 74 | Love, 1977 | Roy, R. P. & Pandey 1962 | ||
| ! | Polypodium longissimum Blume | Phymatosorus longissimus (Blume) P. Serm. | 74 | Cave1962 | Roy & Pandey 1962 |