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CCDB → Angiosperms → Compositae → Helminthotheca → Picris spinosa (DC.) Poir.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Picris spinosa (DC.) Poir. | Helminthotheca echioides (L.) Holub | 10 | Flora Iberica | Contribution la connaissance cytotaxinomique des spermatophyta du Portugal. II. Compositae Fernandes, A. & M. Queirs.Bol. Soc. Brot. ser. 245: 5-121(1971). |