Packera layneae is a
perennial herb producing an upright stem or a small cluster of stems up to 70 centimeters tall. The thick leaves have wide lance-shaped blades a few centimeters long which are borne on long
petioles; smaller leaves occur higher up the stems. The
inflorescence bears several
flower heads containing many yellow disc florets and several narrow yellow ray florets each up to 1.6 centimeters long. ==Habitat==