Schoenoplectus americanus subsp. triangularis (Pers.) Soó in Acta Bot. Acad. Sci. Hung. 16: 369. 1971
Schoenoplectus americanus subsp. triangularis in Acta Bot. Acad. Sci. Hung. 16: 369. 1971
is new combination for Scirpus triqueter var. triangularis, Syn. Pl. 1: 91. 1805
Schoenoplectus americanus subsp. triangularis in Acta Bot. Acad. Sci. Hung. 16: 369. 1971