Tibetan Weedrace, Yunnan Hulled Wheat, Sichuan White Wheat Complex and Xingjiang Rice Wheat are four special landraces of Triticum aestivum L. which were found, in China.

• 系统地论述了新疆稻麦、云南铁壳麦、西藏半野生小麦和四川白麦子类型等中国特有小麦种质资源的种类、地理分布,及其起源与演化系统。