Schoenoplectus purshianus var. williamsii (Fernald) S.G.Sm.
Family: Cyperaceae
Pursh's bulrush, weak bulrush, weak-stalk bulrush
[Scirpus debilis var. williamsii Pursh,  more...]
Etymology: Schoenoplectus: Greek a 'rush leek' ' plecto for "plaited, twisted" schoenos for "rush or reed"
Plants: erect, annual sedge
Conservation Status: Native