Dashiwei;Colysis Henryi Herba Sources:The drug is the fresh herb of Colysis henryi(Bak.)Ching)Family Polypodiaceae),growing in moist areas in woods or on rocks,distributed in Jiangsu,Zhej iang,Fujian,Hubei,Guangxi,Guizhou,Sichuan and Yunnan of china. Actions and Indications:The herb is used as antipyretic,diuretic and to treat stranguria,for the treatment of pulmonary tuberculosis,hemoptysis,stranguria with turbid urine,hematuria,splenomegaly,arthralgia.