Veronica anagallis-aquatica Linnaeus. Water Speedwell. Phen: Apr-Sep; Jul-Oct. Hab: Bogs, marshes, streamsides, ditches. Dist: Circumboreal, south in North America to c. peninsular FL, TX, and CA; some occurrences probably represent introductions of European material. Some authors interpret V. anagallis-aquatica as being strictly non-native in North America.

Origin/Endemic status: Native

Synonymy: = Ar, C, F, Fl6, FNA17, G, GrPl, Il, NcTx, NE, NY, Pa, Tn, Tx, Va, WV, Crow & Hellquist (2000a), Pennell (1935), Stace (2021); = n/a – Tat; = Veronica anagallis-aquatica L. var. anagallis-aquatica – Mi; < Veronica anagallis-aquatica L. – C, K1, K3, K4, RAB, W, WH3, Walters & Webb (1972) in Tutin et al (1972)

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: OBL
• Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
• 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: 7