Baiyunzong (白雲宗) was an offshoot of Buddhist Huayan school synthesized Buddhism, Confucianism and Taoism, viewed by Chinese Chán as heresy and was banned by Emperor Ningzong of Song, Ayurbarwada Buyantu Khan and Hongwu Emperor. They published the Buddhist canon Puningzang (普寧藏).
References
Baiyunzong Wikipedia(Text) CC BY-SA