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 naturalized in Australia, New Zealand, Taiwan, Kerguelen, Ethiopia, Sudan, southern Africa, Mexico, Costa Rica, South America, Bermuda, Cuba, Haiti and much of Canada and the United States.
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Field madder creeps through lawns and garden edges so inconspicuously that most people never lear...
Field madder is a creeping weed that can quietly invade lawns, gardens, and roadsides near you — ...
Every article on Plant News that mentions a member of this genus, newest first.
A research-grade observation of Field madder (Sherardia arvensis) has been recorded in Culleoka, Tennessee — adding a confirmed, community-verified data point to the documented range of this small flowering weed in the American South.
Field madder is a creeping weed that can quietly invade lawns, gardens, and roadsides near you — and tracking where it shows...