1. Bracken is a common wild plant in life, but its distribution area is very wide. It is common in North China, Northeast, Northwest, Southwest and other regions, and the varieties of Bracken are also Not just one.

2. Hebei Chengde Bracken is a famous wild vegetable in Hebei Province. The Chengde area covers an area of ??more than 33,000 hectares and is mainly distributed in Longhua, Fengning, Pingquan, Kuancheng and other places. The district's annual output is 1,000 tons, making it the main production base for domestic bracken.

3. Liaoning bracken is distributed in the mountainous areas of Liaoning Province, especially in the eastern mountainous areas. Mainly exported to Japan and other countries, the domestic market is also very popular.

4. Inner Mongolia bracken is distributed throughout Inner Mongolia, but the main production areas are in Chifeng City, Xing'an League and other places, with an annual output of about 200 tons. The local picking period is in June.

5. Heilongjiang bracken is distributed in high mountain areas with an altitude of 200 to 800 meters, and often grows mixed with weeds. It begins to be unearthed in mid-May and can be harvested from late May to early January.