Horsefly weed, horsefly-weed, or horseflyweed is a common name for several plants, and may refer to: * Baptisia australis, native to central and eastern United States * Baptisia tinctoria, native to the eastern United States This page is an index of articles on plant species (or higher taxonomic groups) with the same common name (vernacular name). If an internal link led you here, you may wish to edit the linking article so that it links directly to the intended article.