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CCDB → Angiosperms → Caprifoliaceae → Pterocephalus → Pterocephalus perennis Coult.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Pterocephalus perennis Coult. | Pterocephalus perennis Coult. | 18 | IPCN online | Verlaque, R. 1986. étude biosystématique et phylogénétique des Dipsacaceae IV. Tribu des Scabioseae (phylum no. 1, 2, 3). Rev. Cytol. Biol. Vég., Bot. 9: 5–72. | |||
| Scabiosa pterocephala L. | Pterocephalus perennis Coult. | 18 | Fedorov, 1974 | Raxup;ae 1929 | |||
| Scabiosa pterocephala L. | Pterocephalus perennis Coult. | 18 | Fedorov, 1974 | Poucques 1949a | |||
| ! | Pterocephalus parnassi Spreng. | Pterocephalus perennis Coult. | 18 | Darlington, 1955 | Kachidze 1929 |