Schoenoplectus
Inflorescence a terminal compound irregular umbel. Spikelets mostly pedicellate. Culms often more than 1 m high
Perianth bristles with reflexed hairs. Involucral bracts usually shorter than the inflorescence. Widespread. Damp places Schoenoplectus validus
Perianth bristles often flattened or folded, plumose. Involucral bracts usually as long as the inflorescence or longer. Coast. Swampy places Schoenoplectus subulatus