秦岭火地塘林区多孔菌区系地理成分初步分析

Primary Analysis on Polypores Flora in Huoditang Forest Farm in Qinling Mountains

对秦岭火地塘林区内的多孔菌区系进行了初步分析。结果表明,秦岭火地塘多孔菌有93种或变种,隶属于45属。秦岭火地塘多孔菌的优势属是栓菌属,有12种(占12.90%),其次是附毛菌属,有6种(占6.45%),第三是革孔菌属、褐褶菌属、多孔菌属和干酪菌属(各占5.38%)。从种的区系地理成分上可划分为:广布成分(29.03%)、北温带成分(38.71%)、温带-亚热带、热带成分(13.98%)、热带亚洲-热带美洲成分(6.45%)、东亚-北美间断成分(8.60%)、东亚成分(2.15%)、中国特有成分(1.08%),表现出典型的温带区系特征。

The flora of polypores in Huoditang Forest Farm in Qinling Mountains,including 93 known species belonging to 45 genera,was primarily analysed.It was found that the dominant genera were Trametes,Trichaptum,Coriolopsis,Gloeophyllum,Polyporus,and Tyromyces.The species could be divided into 7 geographical elements,Cosmopolitan element (29.03%),North Temperate element (38.71%),Temperate-subtropical or Tropical element (13.98%),Tropical Asia-Tropical America element (6.45%),Eastern Asia-north America element (8.6...