Field madder (Sherardia arvensis) observed in Forsyth St, Monticello, GA, US
iNaturalist: shuiswei
Invasive Species
Field madder is a creeping weed that can quietly invade lawns, gardens, and roadsides near you — and tracking where it shows up helps communities and gardeners stay ahead of its spread before it becomes a bigger problem.
A plant watcher spotted and confirmed a small pink-flowered European weed called Field madder growing on a street in Monticello, Georgia. This plant is not originally from North America — it hitched a ride from Europe long ago and has been slowly spreading. Citizen scientists logging sightings like this one help build a map of where these plants are turning up, which is genuinely useful for anyone trying to manage their yard or local green spaces.
Key Findings
Field madder (Sherardia arvensis) was observed at a specific urban location on Forsyth St, Monticello, GA, confirming its presence in Jasper County.
The observation achieved 'research-grade' status on iNaturalist, meaning it was verified by multiple community experts and is suitable for scientific use.
The sighting contributes a georeferenced data point to the documented range of this non-native European species in the southeastern United States.
chevron_right Technical Summary
A research-grade observation of Field madder (Sherardia arvensis), a small flowering weed native to Europe, was recorded in Monticello, Georgia. This citizen science sighting helps track the spread of this non-native plant across the American South.
Abstract Preview
Research-grade observation of Field madder in Forsyth St, Monticello, GA, US.
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Species Mentioned
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Sherardia is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, Sherardia arvensis, the (blue) field madder, which is widespread across most of Europe and northern Africa as well as southwest and central Asia and Macaronesia. It is also reportedly ...