Carex polystachya Sw. ex Wahlenb. Carex polystachya Sw. ex Wahlenb. in Kongl. Vetensk. Acad. Nya Handl. 24: 149. 1803 sec. González-Elizondo & al. 2018=Carex rupicola (Pedersen) G.A. Wheeler in Hickenia 2(39): 180, f. 1. 1996 syn. sec. ???