1. Lady Qucai: The roots do not die in winter, but sprout and grow seedlings in spring. The leaves are long and narrow, thick and hard, with serrated edges. The leaves basically grow close to the ground. They sprout stems in autumn, with a height of 0.5 to more than 1 foot. The seeds are very small and have white hairs on them. The seedlings are easily confused with qucai seedlings, but the leaves of qucai are wider and softer, and the serrations are not obvious. A lady's face will become swollen after eating Qucai.

2. Husband Silver: Also known as Cnidium monnieri and wild carrot. The roots are gray when young and turn light yellow like carrots when they grow up. Petiole yellow. The smell of hubby silver is very strong, and the leaves and roots are highly poisonous. It will cause death if eaten.

3. Xanthium angustifolia: also known as ear tree. Grows in fields, roadsides and depressions. Small seedlings grow in March and April. The seedlings look like soybean sprouts and look like sunflower seedlings in sunny places. When they grow up, they become thick and have heart-shaped leaves with serrations around them. In autumn, they produce seeds with hard thorns. The whole tree is poisonous, but the young shoots and seeds are the most toxic and can cause death if eaten.

4. Poison hemlock: also known as wild celery, Pulsatilla and poisonous ginseng. Grows in moist places. The leaves are like celery leaves, they bloom in summer, and the whole plant has a foul odor. The whole tree is poisonous, but the flowers are the most toxic. After eating, you will experience nausea, vomiting, cold hands and feet, and paralysis of the limbs. In severe cases, death may occur.

5. Wild Land: Also known as Mother Pig and Old Man Drinking. Purple-red flowers bloom in spring, some with yellow, and the shape of the flowers is like lip-shaped sesame flowers. The root is yellow, the leaves are hairy and have a bitter taste. After eating, vomiting, diarrhea, dizziness and coma may occur.