Apiaceae
Umbellifers (Umbelliferae/Apiaceae) are angiosperms including cumin, parsley, carrot, coriander/cilantro, dill, caraway, fennel, parsnip, celery, anise, and other relatives. It is a large family with about 300 genera and more than 3,000 species. It is the 16th-largest family of flowering plants, with more than 3,700 species in 434 genera. There are a small number of poisonous plants.  Hemlock has a paralysing effect. There are a lot of phototoxic species. Light causes changes which produce toxic chemicals. Phototoxicity causes a chemically induced skin irritation. It needs light, and does not involve the immune system. It is a type of photosensitivity.