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CCDB → Bryophytes → Polytrichaceae → Polytrichastrum → Pogonatum sphaerothecium Besch.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Pogonatum sphaerothecium Besch. | Polytrichastrum sexangulare var. vulcanicum (C. E. O. Jensen) G. L. Merr. | 7 | IPCN67-71 | ONO, K. 1970. Karyological studies on Mniaceae and Polytrichaceae, with special reference to the structural sex-chromosomes. III. J. Sci. Hiroshima Univ. Ser. B, Div. 2, 13: 167-221. |