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Taxon composition of Daphnia asexual females across 43 analysed lakes north and south of the Alps (2003 and 2004). Pie charts represent relative frequencies of three parental taxa (Pgal, D. galeata; Phyl, D. hyalina; and Pcuc, D. cucullata) and different hybrid classes (F1hg, D. galeata×D. hyalina; F1hc, D. hyalina×D. cucullata; Fxhgc, D. galeata×D. hyalina×D. cucullata; and Fx, later generation hybrids). For lake numbers see table 1.
