Posted by
KFredenburg (Black Hills, SD - Zone 5a) on Aug 12, 2020 2:21 PM concerning plant:
Information from "The Audubon Society Field Guide to North American Wildflowers":
The name comes from the Greek erion (which means "wool") and phoros (which means "bearing"). The slender bristles or "cotton" are actually modified sepals and petals of minute flowers. There are several similar species.