Synonyms for Reedmace (same or very similar meaning)
WordNet sense 1 (tall marsh plant with cylindrical seed heads that explode when mature shedding large quantities of down; its long flat leaves are used for making mats and chair seats; of North America, Europe, Asia and North Africa):
bulrush, bullrush, cat's-tail, nailrod, Typha latifolia
From the ODE community, based on WordNet
add/edit