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Silphidium latifolium is a North American species of flowering plant in the aster family known by the common name broad-leaved tickseed. It is the sole species in genus Silphidium. It is native to the southeastern United States, primarily in the southern Appalachians of the states of Georgia, North Carolina, South Carolina, and Tennessee.
The species was first described as Coreopsis latifolia by André Michaux in 1803. In 2023 Mesfin Tadesse and Daniel J. Crawford placed the species in the new genus Silphidium as Silphidium latifolium.
Silphidium latifolium is native to the Blue Ridge Mountains, its distribution extending from the Great Craggy Mountains to the South Carolina line. Populations in Tennessee are disjunct. The plant grows in moist hardwood forest habitat on mafic rock such as amphibolite or hornblende gneiss. It can sometimes be seen on roadsides. In its range it is most abundant in North Carolina, but it is rare in general.
Text excerpted from the Wikipedia article Silphidium by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
