Dandelion and sonchus sonchifolius belong to Compositae, and Taraxacum belongs to Taraxacum, with about 120 varieties. Bitter herbs are more complicated, including sonchus oleraceus, sonchus oleraceus, sonchus oleraceus, sonchus oleraceus and sonchus oleraceus. The leaves of Sophora alopecuroides are less forked and the gaps are looser. The fundamental difference between Sophora alopecuroides and dandelion is that it only shoots flowers, while dandelion only shoots stems. The best difference between the two is that dandelion seeds are spherical, and each seed is a small umbrella, which flies when it meets the wind; The seeds of Sophora alopecuroides gather into a small bag at the lower part, and the flannel is scattered at the upper part, so the small wind can't blow away.