Microspermum is a genus of Mexican flowering plants in the boneset tribe within the sunflower family. Species 1. \n* Microspermum debile Benth. - Guerrero, Oaxaca, Chiapas, Michoacán, Jalisco 2. \n* Microspermum flaccidum Paul G.Wilson México State 3. \n* Microspermum gonzalezii Rzed. - Jalisco 4. \n* Microspermum gracillimum Rzed. - Jalisco 5. \n* Microspermum hintonii Rzed. - Guerrero 6. \n* Microspermum nummulariifolium Lag. - Guerrero, Jalisco, Oaxaca, México State, Michoacán 7. \n* Microspermum tenue Paul G.Wilson - Guerreroformerly included see Iltisia Piqueriopsis