Asymmetrical hybridization and gene flow between Eisenia andrei and E. fetida lumbricid earthworms Plytycz, Barbara ; Bigaj, Janusz ; Panz, Tomasz ; Grzmil, Paweł Abstract Publication: PLoS ONE Pub Date: September 2018 DOI: 10.1371/journal.pone.0204469 Bibcode: 2018PLoSO..1304469P