Fig. 2From: Reciprocal transplants support a plasticity-first scenario during colonisation of a large hyposaline basin by a marine macro algaPrincipal components analysis of four morphological characters (see text) in adult populations of F. vesiculosus from Saltö (North Sea), F. vesiculosus from Skagsudde (Baltic Sea) and F. radicans from Skagsudde (Baltic Sea)Back to article page