Are Heterotheca and Fennelboth flowering plants?
Heterotheca Heterotheca, (common names goldenasters, camphorweed, or telegraph weed) are North American plants in the sunflower family.
Hybanthus Hybanthus (greenviolet) is a genus of the family Violaceae. This genus name is Greek for "humpback flower", referring to the drooping pedicels of plants that are part of this genus. The genus is grossly polyphyletic and may contain up to nine different genera, of which "Pombalia" Vand., "Cubelium" Raf. and "Pigea" DC. have been previously recognised.