Myriophyllum humile (Raf.) Morong [ Myriophyllum ambiguum var. limosum Nutt.]
      
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58 687763 Myriophyllum humile (Raf.) Morong [111 687728 Myriophyllum ambiguum Nutt.] Haloragaceae
J. Torrey, Fl. New York [coloured version], vol. 2 : t. 98, fig. 1 (1843) [unsigned]