1、 Leaf difference

The leaves of bitter chrysanthemum are lanceolate, pinnately deeply divided, long oval or inverted lanceolate in full shape, or big head pinnately deeply divided, 3 to 12 cm long and 2 to 7 cm wide

The leaves of dandelion are obovate lanceolate or linear lanceolate, about 15 cm long and 5 cm wide, with large head feather crack or feather crack, the lobes are triangular, complete or have fine teeth, the top of the leaves is slightly blunt or sharp, and the base is gradually narrow, showing a petiole

2、 Flower difference

The flower of bitter chrysanthemum is a head like inflorescence, and a few will be arranged into a dense corymbose or raceme at the top of the stem and branch, and the small tongue flowers are yellow

Dandelion head, about 3.5 cm in diameter, with bright yellow tongue flowers and thin red strips at the top