Synonyma: Cyperus pungens, Eleocharis leptophylla, Eleogiton rothii, Heleogiton pungens, Heleogiton rothii, Isolepis aristata, Schoenoplectus monophyllus subsp. conglomeratus, Schoenoplectus pungens, Scirpus aggregatus, Scirpus americanus f. cordilleranus, Scirpus americanus var. conglomeratus, Scirpus americanus var. pungens, Scirpus aristatus, Scirpus…