Lysimachia nummularia

Lysimachia nummularia
moneywort
Primulaceae, the primrose family
Coefficient of Conservatism = 0 (adentive species)

<center>Moneywort is an weedy wetland adventive hern with opposite coin-shaped leaves and yellow flowers.<br>Photo taken June 22, 2023 at the OSU-Marion Prairie by Bob Klips.
Moneywort is a prostrate creeping herb with opposite leaves that are indeed coin-shaped. Tom S. Cooperrider in The Dicotyledoneae of Ohio Part 2 Linaceae through Campanulaceae (1995, The Ohio State University Press) tells us this is “A European species sometimes cultivated an now naturalized throughout Ohio; moist woodlands, stream and lake margins, wet ditches, moist grassy sites, cemeteries, disturbed moist habitats. Late May-August.” 

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