Any plant of the genus Pedicularis (louseworts).
Stachys officinalis (syn. Betonica officinalis, an herb used in traditional European medicine.
Any plant of the genus Stachys.
Pluchea spp. (camphorweeds)
Pulicaria spp. (false fleabane), especially common fleabane (Pulicaria dysenterica subsp. dysenterica, formerly Inula dysenterica)
Erigeron spp., especially Erigeron acre (blue fleabane)
Inula spp. (yellowheads)
Also, in subfamily Cichorioideae, Vernonia spp. (ironweeds).
Conyza spp. (butterweeds or horseweed)
mostly in two tribes of subfamily Asteroideae