【摘要】 <正>除四川、湖北、台湾三省外,云南省的轮藻植物是研究得比较多的,先后有A·Braun＆ Nordstet(1982),J·Groves(1924),Skuja(1937),J·S·Zaneveld(1940)等人进行过研究报导。1947年,饶欽止教授专文发表过昆明滇池的轮藻植物5属,7种,3变种;1964年,钱澄宇、戴树茂在云南大学学报第三辑《滇池轮藻植物的初步调查》报告中,报导了滇池轮藻植物4属,7种;1982年,韩福山、陈维琼在《植物分类学报》上发表的《云南丽藻族新植物》一文中,报导了云南丽藻属植物7新种、1新变种、2新纪录和鸟巢藻属1新种。最近,结合七更多还原

【Abstract】 Dian-chi lake, situated near the south-western part of Kunming City of Yunnan Province, is the greatest fresh water lake in Yunnan. Its fresh water resources ana hydrobionts were very rich. There has been along history of exploiting and utilizing of the lake. In accordance with the data up to now , about 5 genera, 22 species and variants have been collected in Dian-chi lake.In early 1960’s, Dian-chi lake abounded with genera and species of Charo-phytes,the species Composition of which is complex. Among these species, in aoblition to Nitella hyalina (DC.) Ag., Chara vulgaris Vaill.ex., C. contraria A. Br. ex Kutz which were the cosmopolitan species, there were also Yunnan’s enedemic Nitella longicandata Han et W. Q. Chen and Szechuan’s endemic N. szechuanensis Han., Lychnothamnus longibracteotus Han.Chara are susceptible plant. Because of water pollution in Dian-chi caused by industries and disorder of the city ecosystem balance, the growing of Charo-phytes had been damaged seriously. Since 1970 we only Collected very few specimen fo them. Chard almost can’t be found in Dian-chi lake today.更多还原