Potamogeton pusillus Linnaeus. Small Pondweed. Phen: May-Sep. Hab: Acid and alkaline waters of ponds, lakes, and streams. Dist: NS west to AK, south to FL, Mexico, and Central America.

Origin/Endemic status: Native

Synonymy ⓘ: = AqW, K3, Meso6, Mi, NcTx, NE, NY, Tx, WV, Kaplan & Štěpánek (2003); = n/a – Tat; = Potamogeton pusillus L. ssp. pusillus – Ar, ETx1, FNA22, K1, Tn; < Potamogeton berchtoldii Fieber – RAB; < Potamogeton pusillus L. – G, GW1, K3, K4, Pa, S, S13, WH3, Wiegleb & Kaplan (1998); > Potamogeton pusillus L. var. minor (Biv.) Fernald & Schub. – F, Il; < Potamogeton pusillus L. var. pusillus – C, GrPl, Mo1; > Potamogeton pusillus L. var. pusillus – F, Il

Links to other floras: = Potamogeton pusillus ssp. pusillus - FNA22

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: OBL (taxonomic lump from wetland indicator species)
• Eastern Mountains and Piedmont: OBL (taxonomic lump from wetland indicator species)
• Great Plains: OBL (taxonomic lump from wetland indicator species)
• Midwest: OBL (taxonomic lump from wetland indicator species)
• Northcentral & Northeast: OBL (taxonomic lump from wetland indicator species)

Heliophily ⓘ: 8