As a result of cytoembryological analysis of megagametophytes of Chondrilla it was found out, that the plants of six species examined (C. juncea, C. graminea, C. canescens, C. brevirostris, C. latifolia and C. acantholepis) are characterised by the ability for seed reproduction by apomixis. It was discoverd that the frequency of disclosure of cytoembryological signs of apomixis considerably varies year by year and on the interpopulation level. C.