Typha domingensis Pers.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Much like no. 2 [Typha angustifolia L.], but taller (often 2.5–4 m) and with more numerous lvs, these thicker, up to 15 mm wide, often some or all of them exauriculate; pistillate portion of the spike light brown, 1.3–2.5 cm thick at maturity, separated from the staminate portion by up to 8 cm, rarely contiguous with it; pistillate bracteoles acuminate; sterile pistillate fls narrowly cuneate at the tip; hairs subtending the fr white with usually a single large brown cell near the tip; pollen in monads; 2n=30. Pantrop., extending n. in coastal marshes to Md. and Del., and n. inland to Nebr. and Utah.