supported by the National Basic Research Program of China (973 program,Grant No.2007CB411600);the Yunnan Provincial Natural Science Foundation (Grant No.2005C0051M);the National Natural Science Foundation of China (Grant No.30571137).
Omphalogramma souliei Franch. is an endangered perennial herb only distributed in alpine areas of SW China. ISSR markers were applied to determine the genetic variation and genetic structure of 60 individuals of three...