''Lysimachia minima'' (chaffweed) is a 1-4 inch (2–10 cm)

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

herb In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...

in the primula family (

Primulaceae The Primulaceae , commonly known as the primrose family (but not related to the Onagraceae, evening primrose family), are a family (biology), family of Herbaceous plant, herbaceous and woody flowering plants including some favourite garden plants ...

). A cosmopolitan species, this small plant is native widely across North America and Eurasia.Flora of North America
/ref> It can be found growing in moist soils and seasonal pools.

References

minima In mathematical analysis, the maxima and minima (the respective plurals of maximum and minimum) of a function, known collectively as extrema (the plural of extremum), are the largest and smallest value of the function, either within a given ran ...

Flora of Europe Plants described in 1753 Taxa named by Carl Linnaeus {{Primulaceae-stub