*Anagallis arvensis Linnaeus. Scarlet Pimpernel, Common Pimpernel, Hierba del Pájaro, Poor Man's Weatherglass. Phen: (Mar-) Apr-Nov. Hab: Lawns, fields, disturbed areas. Dist: Native of Europe.

Origin/Endemic status: Europe

Taxonomy Comments: The taxonomy and distributions of this taxon and the closely related A. foemina (sometimes treated as a subspecies, variety, or form) are complicated by differences of opinion about distinguishing characteristics.

Synonymy: = Anagallis arvensis L. ssp. arvensis – K1, S, Va; = Anagallis arvensis L. var. arvensis – C, G; = Lysimachia arvensis (L.) U.Manns & Anderb. – NY, Jiménez-López et al (2022), Manns & Anderberg (2007); < Anagallis arvensis L. – Ar, F, Fl5, FNA8, GrPl, GW2, Il, Meso4.1, Mi, NcTx, Pa, RAB, Tat, Tn, Tx, W, WH3; < Lysimachia arvensis (L.) U.Manns & Anderb. – K3, K4, NE

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Wetland Indicator Status:

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

Heliophily: 7