秦岭火地塘林区多孔菌区系地理成分初步分析

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。

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

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 (8.60%), Eastern Asia element (2.15%) and Endemic element to China (1.08%). Of these 7 geographical elements, North Temperate element was the main characteristics in the region.