Here are some small, seed-like fruits, achenes, not likely to be recognized by every one.
Achenes 10-ribbed; pappus of stout bristles, chaffy-dilated at the base.
Achenes 10-ribbed; pappus of rather rigid bristles, not plumose.
Achenes obovate, flattened, wingless, and without any pappus.
The achenes (fruits) are brown and hairy, and are crowned by a tuft of stiffish hairs ...