| Citation | Nygren, A., P. Edlund, U. Hirsch and L. Ahsgren, 1968, Cytological studies in perch (Perca fluviatilis L.), pike (Esox lucius L.), pike-perch (Lucioperca lucioperca L.), and ruft (Acerina cernua L.).. Hereditas. 59(2-3):518-524. |
| Ref. | 29378 Nygren, A., P. Edlund, U. Hirsch and L. Ahsgren, 1968 |
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| Named Used as Valid | Gymnocephalus cernua |
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