Cattails are practically synonymous with wetlands. Their hot-dog-on-a-stick flower heads are hard to miss. Daniel gives a brief description of their life cycle and enumerates the various organisms that use them for food and habitat.
Cottonwoods are also common in wet soils. With all their cottony seeds raining down, why aren’t there cottonwood trees sprouting up everywhere. Casey explains, and, like so many stories about the natural world, the answer is a bit bleak.