According to morphology, chromosome pairing, and fertility, the genomic constitution and the relationship of three species of Roegneria were investigated, and make sure of.

• 摘要通过形态学特征比较、种间杂交、染色体组配对和繁育学资料，探讨鹅观草属拟披碱草组纤毛草系中的三个物种毛叶鹅观草、纤毛鹅观草和竖立鹅观草间的亲缘关系。