In what country does baechu originate?
Napa cabbage Napa or nappa cabbage ("Brassica rapa" subsp. "pekinensis" or "Brassica rapa" Pekinensis Group) is a type of Chinese cabbage originating near the Beijing region of China, and is widely used in East Asian cuisine. Since the 20th Century it is also a widespread crop in Europe, America and Australia. In much of the world, this is the vegetable referred to as "Chinese cabbage".
Korean water toad The Korean water toad, Bufo stejnegeri, also sometimes known as the Korean toad or water toad, is a species of toad found in East Asia. Two distinct populations are known to exist, one in eastern Liaoning province of northeastern China, and one in the central mountains of the Korean Peninsula. Within South Korea, it is found in eastern Gyeonggi (specifically Gapyeong) and also in Gangwon-do (particularly the Odaesan mountain complex). In addition, it is expected that there are or have been additional populations in the region between central Korea and Liaoning.