I just learned something interesting about the common cattail (Typha latifolia):  it has two flowers.  The big brown part is the female one and the tip at the top is the male.  Got this info thanks to @wildandfree.mb on Instagram.  They also taught me that cattails filter toxins and are edible.  The more you know.

A bulrush flowering along the edge of one of the lakes, at Felmersham Gravel Pits.

Broadleaf Cattail or Common Bulrush, Typha latifolia (by Dendroica cerulea)