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2 968598 Spirodela polyrhiza (L.) Schleid. [80 591897 Lemna polyrrhiza L.]
C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 3(2): fasicle 76, (Lemnaceae; Araceae; Cyclanthaceae, Palmae): t. 1 (1878) [n.a.]
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