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CCDB → Bryophytes → Orthotrichaceae → Orthotrichum → Orthotrichum tenellum Bruch ex Brid.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Orthotrichum cylindrocarpum Lesq. | Orthotrichum tenellum Bruch ex Brid. | 11 | Cave1956supp | Steere, And., Bry. '54 | |||
| ! | Orthotrichum tenellum Bruch ex Brid. | Orthotrichum tenellum Bruch ex Brid. | 11 | Cave1956supp | Steere, And., Bry. '54 | ||
| ! | Orthotrichum tenellum Bruch ex Brid. | Orthotrichum tenellum Bruch ex Brid. | 9 +4, 10+ 2 | 10+ 2 | Cave1956supp | Vaarama 1953ab | |
| Orthotrichum tenellum Bruch ex Brid. | Orthotrichum tenellum Bruch ex Brid. | 9+4m,10+2m,10+m,11, | Fritsch1991 | Fritsch, Reinhard. Index to bryophyte chromosome counts. J. Cramer, 1991. by REINHARD FRITSCH |