any of several species of annual or perennial grasslike plants that grows in wet areas and is a variety of sedge are varieties of sedge: genus Scirpus
either of two plants that have a tall stem topped with a thick furry spike of densely packed flowers and are varieties of reedmace: Typha latifolia and Typha angustifolia
used in the Bible: the papyrus plant
[Middle English bulrysche, prob from bull1 as something large or coarse + rysche rush3]