Haplopappus is a genus of flowering plants in the family Asteraceae found in South America, mostly restricted to the dry regions of the Southern Andes, Chilean Matorral, and Patagonia.Cassini, Alexandre Henri Gabriel de. 1828. Dictionnaire des Sciences Naturelles [Second edition] 56: 168-170in French, name spelled "Aplopappus"
Taxonomy Species Species accepted by the Plants of the World Online as of December 2022:
Formerly included Many species once included in Haplopappus are now regarded as belonging to other genera: Acamptopappus, Ageratina, Aztecaster, Benitoa, Croptilon, Ericameria, Grindelia, Gundlachia, Haploesthes, Hazardia, Inulopsis, Isocoma, Leptostelma, Llerasia, Lorandersonia, Machaeranthera, Nestotus, Noticastrum, Oonopsis, Oreochrysum, Oreostemma, Osbertia, Pyrrocoma, Rayjacksonia, Stenotus, Toiyabea, Tonestus, Xanthisma
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