Decachaeta is a genus of Mesoamerican flowering plants in the sunflower family. Species 1. \n* Decachaeta haenkeana DC. - Chihuahua, Sonora, Sinaloa, Colima, Guerrero, Michoacán, Nayarit, Oaxaca, Jalisco 2. \n* Decachaeta incompta (DC.) R.M.King & H.Rob. - Chiapas, Oaxaca, Colima, Guerrero, Michoacán, México State, Jalisco, Puebla 3. \n* Decachaeta ovandensis (Grashoff & Beaman) R.M.King & H.Rob. - Chiapas 4. \n* Decachaeta ovatifolia (DC.) R.M.King & H.Rob. - Guerrero, Michoacán, México State, Jalisco, Nayarit 5. \n* Decachaeta perornata (Klatt) R.M.King & H.Rob. - Chiapas, Oaxaca, Michoacán, México State, Jalisco, Puebla, Veracruz, Hidalgo 6. \n* Decachaeta scabrella (B.L.Rob.) R.M.King & H.Rob. - Chihuahua, Sinaloa, Colima, Michoacán, Nayarit, Jalisco, Durango, Sonora, Guerrero 7.