Low Bulrush, Low Clubrush, Low Lateral Clubrush, Tufted Clubrush: Isolepis cernua (Synonyms: Isolepis cernua var. californica, Scripus cernuus, Scirpus cernuus ssp. californicus, Scirpus cernuus var. californicus)
Bristle-leaved Sedge, Eurasian Bulrush: Isolepis setacea (Synonyms: Scirpus setaceous, Scirpus setaceus)