Are Heterotheca and Fennelboth flowering plants?
Heterotheca Heterotheca, (common names goldenasters, camphorweed, or telegraph weed) are North American plants in the sunflower family.
Hydnoroideae Hydnoroideae is a subfamily of parasitic flowering plants in the order Piperales. Traditionally, and as recently as the APG III system it given family rank under the name Hydnoraceae. It is now submerged in the Aristolochiaceae. It contains two genera, "Hydnora" and "Prosopanche":