Additions to the six taxa of the genus Cosmarium (Desmidiaceae, Charophyta) in Korea

摘要: Abstract The samples were collected at lowland swamps, reservoirs, mountainous wetlands, and sphagnum bogs from 2012 to 2014. followings newly recorded in Korea: two species, three varieties, one form, including six taxa of the genus Cosmarium. Korean species Cosmarium bioculatum var. hians , C. bireme pseudobire -mum, nitidulum pseudorectangulare, trilobulatum f. retusum depressum . flora contains 303 total Korea. specimens cultured deposited on algal culture collection Kyonggi University (ACKU) National Institute Botanical Resources (NIBR). Key words: flora, freshwater algae, Korea INTRODUCTION Desmids, which are exclusively at-tracted attention early microscopists due their forms. In particular, they exhibit great diversity external morphology show a remarkably complex cell symmetry. As consequence diversity, more than 6,000 have been described fresh water all parts world (Brook 1981).