Callitriche palustris L.
      
no HD illustration available (m3)
1 180985 Callitriche palustris L. [125 180881 Callitriche cophocarpa Sendtn.] Callitrichaceae
I.S. Perrin-Robins, Boulger , Brit. Fl. Pl., vol. 3(): : t. 158 (1914)