Distribution map of Hammarbya paludosa (L.) Kuntze in the Alps (dotted line) after the MTB-grid (see Ehrendorfer and Hamann 1965). The data are drawn from the following sources: https://www.infoflora.ch/it/ (accessed 24.06.2016) for Switzerland; Bettinger et al. (2013) for Germany; Griebl (2013) for Austria, with integrations by H. Niklfeld and K. Zernig (in litt.); Jogan (2001) for Slovenia. Dots: confirmed after 1950 ca.; crosses: not confirmed after 1950 ca.