Cyperus michoacanensis Britton ex C.B. Clarke Cyperus michoacanensis Britton ex C.B. Clarke in Kew Bull., Addit. Ser. 8: 5. 1908 sec. González-Elizondo & al. 2018=Cyperus patzcuarensis C.B. Clarke ex Kük., Pflanzenr. IV. 20 (Heft 101, 4): 277. 1936 syn. sec. Diego & González 2008