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CCDB → Angiosperms → Apiaceae → Heracleum → Heracleum pyrenaicum Lam.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Heracleum pyrenaicum Lam. | Heracleum sphondylium subsp. pyrenaicum (Lam.) Bonnier & Layens | 22 | IPCN online | Baltisberger, M. 1999. IOPB chromosome data 15. Newslett. Int. Organ. Pl. Biosyst. (Pruhonice) 31: 11–12. | |||
| Heracleum pyrenaicum Lam. | Heracleum sphondylium subsp. pyrenaicum (Lam.) Bonnier & Layens | 22 | IPCN67-71 | CAUWET, A. - M. 1968. Contriburion a l'etude caryologique des Ombelliferes de la partie orientale des Pyrenees. Naturalia Monspel. Ser. Bot. 19: 5-27. |