- Plants
- ›Vascular Plants
- ›flowering plants
- ›Dicots
- ›Gentians, Dogbanes, Madders, and Allies
- ›madder family
- ›Rubioideae
- ›Rubieae
- ›Sherardia
Field madder
Sherardia arvensis
Sherardia is a monotypic genus of flowering plants in the Rubiaceae family. The genus contains only one species, viz. Sherardia arvensis or (blue) field madder, which is widespread across most of Europe and northern Africa as well as southwest and central Asia (from Turkey to Saudi Arabia to Kazakhstan) and Macaronesia (Canary Islands, Azores, Madeira, Savage Islands). It is also reportedly naturalized in Australia, New Zealand, Taiwan, Kerguelen, Ethiopia, Sudan, southern Africa, Mexico, Costa Rica, South...
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Sherardia arvensis in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 47691.