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CCDB → Angiosperms → Compositae → Helminthotheca → Helminthia echioides (L.) Gaertn.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helminthia echioides (L.) Gaertn. | Helminthotheca echioides (L.) Holub | 10 | IPCN73-74 | LUNGEANU, I. 1973. In IOPB chromosome number reports XLII. Taxon 22: 647-654. | |||
| Helminthia echioides (L.) Gaertn. | Helminthotheca echioides (L.) Holub | 10 | IPCN73-74 | STRID, A. 1971. Chromosome numbers in some Albanian angiosperms. Bot. Notiser 124: 490-496. | |||
| ! | Helminthia echioides (L.) Gaertn. | Helminthotheca echioides (L.) Holub | 8 | Fedorov, 1974 | Marchal 1920 |