It can be divided into:

1. Chengde bracken:

It is a famous wild vegetable that grows in the Chengde area of ????Hebei. With an area of ??more than 30,000 to 30,000 hectares, it is one of the main production bases of bracken in China.

2. Heilongjiang bracken:

Generally distributed in the high mountain areas of the Northeast, growing mixed with weeds, with an altitude of about 800 meters or less. The bracken here grows in mid-May every year It has just been unearthed, and usually the picking time is from late May to early June.

3. Liaoning bracken:

In fact, bracken is also distributed in the mountainous areas of Liaoning Province. It is most widely distributed in the mountainous areas of eastern Liaoning. Its bracken is mainly exported to Japan or other Asian countries. European countries.