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CCDB → Bryophytes → Timmiaceae → Timmia → Timmia megapolitana Hedw.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Timmia cucullata Michx. | Timmia megapolitana Hedw. | 16 | Cave1956supp | Lowry 1953 | ||
| Timmia megapolitana Hedw. | Timmia megapolitana Hedw. | 12,16, | Fritsch1991 | Fritsch, Reinhard. Index to bryophyte chromosome counts. J. Cramer, 1991. by REINHARD FRITSCH |