Pilosella floribunda (synonym Hieracium floribundum,[1] also known as pale hawkweed, smoothish hawkweed,[2] yellow hawkweed,[3] and yellow devil hawkweed[4]) is a species of noxious and herbaceous perennial plant from family Asteraceae that is known in Europe (particularly France)[4] and can also be found in United States and Canada.

[5] It was believed that it was a hybrid of Pilosella caespitosa (Hieracium caespitosum and Pilosella lactucella (Hieracium lactucella).

[2] The plant is 10 to 36 inches (250 to 910 mm) tall.

The flowers bloom from June to July, are clustered, and are 1⁄2 inch (13 mm) wide.

The leaves are hairy and spatula shaped.