| Number | Collection location | Similarity degree |
| (1) | Kunming, Yunnan | 0.48 | (2) | Changchun, Jilin | 0.995 | (3) | Tongrentang, Anhui | 0.999 | (4) | Tongrentang, Beijing | 0.994 | (5) | Dabashan, Sichuan | 0.985 | (6) | Bozhou, Anhui | 0.995 | (7) | Huoshan, Anhui | 0.99 | (8) | Yuncheng, Shanxi | 0.993 | (9) | Shantou. Guangzhou | 0.997 | (10) | Zhaoqing, Guangzhou | 0.994 | (11) | Yulin, Guangxi | 0.999 | (12) | Yulinhong, Guangxi | 0.977 | (13) | Yancheng, Jiangsu | 0.67 | (14) | Baoding, Heibei | 0.953 | (15) | Shijiazhuang, Heibei | 0.99 | (16) | Taihang, Henan | 0.997 | (17) | Yichang, Hubei | 0.971 | (18) | Xichang, Sichuan | 0.987 | (19) | Leping, Guizhou | 0.982 | (20) | Liupanshui, Guizhou | 0.99 | (21) | Wangmo, Guizhou | 0.976 | (22) | Zhenping, Guizhou | 0.994 | (23) | Qianxi, Guizhou | 0.993 | (24) | Qianjiang, Chongqing | 0.994 | (25) | Baoji, Shanxi | 0.997 |
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