Piptothrix
Introduction '''''Piptothrix''''' is a genus of Mesoamerican plants in the tribe Eupatorieae within the family Asteraceae. ; Species* ''Piptothrix areolaris'' (DC.) R.M.King & H.Rob. - from Chihuahua to El Salvador* ''Piptothrix jaliscensis'' B.L.Rob. - Jalisco* ''Piptothrix palmeri'' A.Gray - Chihuahua * ''Piptothrix pubens'' A.Gray  - Jalisco* ''Piptothrix sinaloae'' S.F.Blake - Sinaloa; formerly includedsee ''Ageratina Jaliscoa'' * ''Piptothrix aegiroides'' B.L.Rob. & Greenm. - ''Jaliscoa goldmanii'' (B.L.Rob.) R.M.King & H.Rob. * ''Piptothrix arizonica'' A.Nelson - ''Ageratina paupercula'' (A.Gray) R.M.King & H.Rob. * ''Piptothrix goldmanii'' B.L.Rob. - ''Jaliscoa goldmanii'' (B.L.Rob.) R.M.King & H.Rob. * ''Piptothrix paleacea'' Cronquist - ''Jaliscoa paleacea'' (Cronquist) R.M.King & H.Rob.
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