Through investigating the aquatic vegetable resources and productions in 14 counties and cities of

the middle and south area of Anhui Province,62 accessions of aquatic vegetable resources were

collected,including 18 accessions wild resources,44 accessions of local cultivars.Some special local

cultivars such as‘Xuehugong’ou’，‘Tongchengshuiqin’，‘Jixishuiyu’and‘Lujingqinya’,etc.was

collected.And cultivation and production of aquatic vegetables in middle and south areas of Anhui Province

was also investigated.According to the result of investigation,suggestion was put forward that water dropwort

cultivated in our country should be two kinds.One is Oenanthe javanica(BL.)DC.,and the other is Oenanthe

sinensis Dunn.