Marsh cudweed (low cudweed)

It is a very wooly annual, growing 4–20 cm tall.

The leaves are wooly on both sides. They are 1 to 5 cm long, narrow oblong shaped.
The flower heads are 3 to 4 mm long. They are arranged in clusters of 3 to 10, surrounded by long leaves. The flower head bracts are wooly, and pale below, with dark chaffy hairless tips. The florets are brownish yellow. The stigmas are pale.
It flowers from July until September