question: Are Heterotheca and Fennelboth flowering plants?
answer: no
context: Title: Heterotheca
  Passage: Heterotheca, (common names goldenasters, camphorweed, or telegraph weed) are North American plants in the sunflower family.
  Title: Fennel
  Passage: Fennel ("Foeniculum vulgare") is a flowering plant species in the carrot family.  It is a hardy, perennial herb with yellow flowers and feathery leaves.  It is indigenous to the shores of the Mediterranean but has become widely naturalized in many parts of the world, especially on dry soils near the sea-coast and on riverbanks.
citations: Heterotheca Fennel