Vallisneria americana Michaux. Vallisneria, Water-celery, Tapegrass, Eelgrass. Phen: Jul-Oct. Hab: Lakes, rivers, estuaries, sounds. Dist: NS and QC west to ND, south to FL, TX, NM, AZ; south into tropical America {or is this all or partly V. neotropicalis?}.

Origin/Endemic status: Native

Synonymy: = AqW, Ar, ETx1, GrPl, Il, Mi, NcTx, NE, NY, RAB, Tat, Tn, Tx, Va, Frère Marie-Victorin (1943), Les et al (2008); ? Vallisneria americana Michx. – F, G, Pa, W, WV; < Vallisneria americana Michx. – FNA22, GW1, K1, K3, WH3; > Vallisneria americana Michx. – S, S13; < Vallisneria americana Michx. var. americana – C, Meso6, Mo1, Lowden (1982); > Vallisneria spiralis L. – S, S13

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Wetland Indicator Status:

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

Heliophily: 8