Distribution maps

(online von http://www.mobot.org/MOBOT/research/APweb/ . Dort zitiert wie unter jedem Diagramm vermerkt):

Hydrocharitaceae
map: blue, marine Hydrocharitaceae; red, freshwater members - see Hultèn 1961; Hultén & Fries 1986; Fl. N. Am. 22: 2000; FloraBase 2005; Fl. Austral. 39: 2011 - incomplete: van Steenis & van Balgooy 1966; den Hartog 1970 for marine taxa