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Summary
Constancea nevinii (A. Gray) B.G. Baldwin (Compositae: Heliantheae: Baeriinae) is described and illustrated. The distribution of the species in, and a glimpse at the history and endemic flora of, the California Channel Islands (also known as the Santa Barbara Islands), together with the conservation threats posed by feral goats, is outlined. The historically variable Conservation Status is commented on, although the species is no longer considered under threat of extinction. The position of this monotypic genus in the Heliantheae is commented on. Cultivation, propagation, and availability notes are provided. The species is rarely cultivated in the United Kingdom, but clearly widely so in the western States along the Californian coast.