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CCDB → Angiosperms → Caprifoliaceae → Cephalaria → Cephalaria joppensis (Rchb.) Coult. ex DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cephalaria joppica (Spreng.) Bég. | Cephalaria joppensis (Rchb.) Coult. ex DC. | 18 | IPCN online | Verlaque, R. 1985. Etude biosystématique et phylogénétique des Dipsacaceae. III. Tribus des Knautieae et des Dipsaceae. Rev. Cytol. Biol. Veg. Bot. 8: 171–243. | ||
| ! | Cephalaria joppica (Spreng.) Bég. | Cephalaria joppensis (Rchb.) Coult. ex DC. | 18 | IPCN online | Verlaque, R. 1977. In IOPB chromosome number reports LVI. Taxon 26: 257–274. |