柳叶蕨属为分布于石灰岩区域的一类较特别的植物。文献资料和野外调查表明,广东有柳叶蕨属植物共4种,其中3种为广东省分布新记录,即峨眉柳叶蕨、镰羽柳叶蕨和柳叶蕨,建议将这几种植物列为国家重点保护植物。
Cyrtogonellum is a endemic fern genus that restricted to the limestone areas of SW China and N Vietnam. Four species are recognised from Guangdong Province and three of them are new records to this province, i. e. : Cyrtogonellum emeiensis Ching ex Y. T. Hsih, C. falcilobum Ching ex Y. T. Hsieh and C. fraxinellum (Christ) Ching. It is suggested that these species should be listed as national protected plants in China.