Newly Recorded Species of Cymbellaceae and Gomphonemataceae (Bacillariophyta) from Xingkai Lake,China Gymnanthes Sw. (Euphorbiaceae), a genus new to China and its biogeographical implication Three species of the lichen genus Lecanora new to China from Bailong River Valley, Gansu Province Newly Recorded Species of Naviculaceae (Bacillariophyta) from Great Xing’an Moutains,China Additions to the Flora of China New Record Species to the Flora of China