Flora of the Southeastern United States
2022 Edition

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ARACEAE

Spirodela polyrhiza (Linnaeus) Schleiden. Greater Duckweed, Minnow-fole. Hab: Still to slowly moving waters of ponds, lakes, beaver ponds, and swamps. Dist: Widespread worldwide.

ID notes: The largest of the "duckweeds" (Landoltia, Lemna, Spirodela, Wolffia, Wolffiella).

Origin/Endemic status: Native

Syn: = C, ETx1, F, G, GW1, K4, Mi, NcTx, NY, Pa, S, Tn, Tx, W, WH3, WV; = Spirodela polyrrhiza – Ar, FNA22, GrPl, Il, K1, K3, NE, RAB, Va, Landolt (1980), Landolt (1986), Les & Crawford (1999), Spaulding et al (2019), orthographic variant

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