安徽省蕨类植物分布新记录(Ⅱ)

New records of pteridophytes distributed in Anhui Province(Ⅱ)

安徽大别山区位于皖中西部,面积8200km2,为山地丘陵区,植被区划较为复杂,北部为北亚热带落叶与常绿阔叶混交林带,南部为中亚热带常绿阔叶林带[1-3]。该区域的植物区系属于中国-日本森林植物区系的华东区系,物种丰富,其中,蕨类植物142种(含种下分类单位),鳞毛蕨科(Dryopteridaceae)、水龙骨科(Polypodiaceae)和蹄盖厥科(Athyriaceae)的种类较多,占据优势[4]。

By means of field investigation,specimen identification,and literatures access,six species of pteridophytes belonging to five genera in four families were identified as new records in Anhui Province,viz.Botrychium strictum Underw.,Athyrium nanyueense Ching,Polystichum herbaceum Ching et Z.Y.Liu,P.rigens Tagawa,Coniogramme rosthornii Hieron.,and C.wilsonii Hieron.These voucher specimens have been deposited in Shanghai Chenshan Herbarium(CSH).