Similar species: Common Cattail (Typha latifolia) - Leaves are very similar, but lacks the showy yellow flowers. Narrow-leaved Cattail (Typha angustifolia) - Leaves much narrower, and lacks the showy yellow flowers. Blue Flag Iris (Iris versicolor) - Much smaller plant, has blue flowers.
PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.
(Range map provided courtesy of the USDA website
and is displayed here in accordance with their
Policies)