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CCDB → Angiosperms → Crassulaceae → Sempervivum → Sempervivum ballsii Wale
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Sempervivum ballsii Wale | Sempervivum marmoreum Griseb. | 34 | Flora Europaea | Zesiger, ined | ||
| Sempervivum ballsii Wale | Sempervivum marmoreum Griseb. | 34 | IPCN online | Hart, H. t. & J. C. V. LOON. 1982. In IOPB chromosome number reports LXXV. Taxon 31: 362–363. | |||
| Sempervivum ballsii Wale | Sempervivum marmoreum Griseb. | 34 | IPCN online | Zésiger, F. 1982. In D.M. Moore, Flora Europaea Check-list and Chromosome Index.Cambridge Univ. Press. P. 74. |