中文摘要：

通过野外调查和标本鉴定，对杭州市树附生苔藓植物的多样性进行研究。结果发现，杭州市区共有树附生苔藓植物21科38属48种，包含多于4个种的树附生苔藓植物优势科为灰藓科、丛藓科、碎米藓科和牛舌藓科。α多样性分析结果显示不同样地树附生苔藓植物多样性有比较明显的差别。杭州植物园、浙江大学玉泉校区、龙井等几个样地多样性明显较高，而虎跑和浙江大学紫金港校区最低。

英文摘要：

The species diversity of epiphytic bryophytes in Hangzhou is researched by field investigations and lab specimen identifications .48 species of epiphytic bryophytes belonging to 38 genera and 21 families are found in Hangzhou city .Dominant families with more than four species are Hypnaceae , Pottiaceae , Fabroniaceae and Anomodontaceae .αdiversity analysis shows that there are obvious differences of epiphytic bryophyte diversity among different sample sites .The epiphytic bryophyte diversities are relatively high in Hangzhou Botanical Garden ,Yuquan Campus of Zhejiang University and Longjing ,while low in Hupao and Zijingang Campus of Zhejiang University .