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CCDB → Angiosperms → Aizoaceae → Lithops → Lithops helmutii
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Lithops helmutii | Lithops helmutii L. Bolus | 18 | Darlington, 1955 | Snoad unp. | ||
| Lithops helmutii L. Bolus | Lithops helmutii L. Bolus | 18 | IPCN online | Albers, F. & R. HAAS. 1978. Karyosystematische Untersuchungen bei den Mesembryanthemaceae Fenzl emend. Herre et Volk. Bot. Jahrb. Syst. 99: 462–467. | |||
| ! | Lithops helmutii L. Bolus | Lithops helmutii L. Bolus | 18 | Fedorov, 1974 | Snoad (D. 1955) |