宁夏贺兰山大型真菌的区系地理研究

宁夏贺兰山的大型真菌区系成分十分丰富,具有10种以上的属有4个,含59种,占贺兰山大型真菌总数的27.83%。含有5～10个种的属有10个,含57种,占大型真菌总数的26.89%。5个种以下的有55属,含96种,占总数的45.28%。69个属中世界广布属有18个,北温带分布属有15个。从种的组成上看,世界广布种36个,占总种数的16.98%;北温带分布种有56个,占总种数的26.42%;除此之外还有东亚-北美间断的分布种21个,占总数的9.91%;中国-日本分布种有7个,占总数的3.30%;欧亚大陆分布种17个,占总数的8.02%;这说明宁夏贺兰山的大型真菌区系表现出明显的北温带区系特征。

Studies on flora geography of large fungi in Helan Mountain in Ningxia

It is very abundant of fungi in Helan Mountain in Ninxia.There are 4 genus with 59 species that have more than 10 species,it is of 27.83% of totle macro fungi.there are 10 genus with 57species that have 5-10 species,it is of 26.89% of total macro fungi.The genus that have species below 5 are 55,with 96 species,it is of 45.28% of total macro fungi.18 genus among the total 69 genus are blazon distribution genus in the world,15 genus among the totle 69 genus are the north temperate zone distribution.There are 36 species belong to the blazon distribution,it is of 16.98% of total macro fungi.There are 56 species belong to the north temperate zone distribution,it is of 26.42% of total macro fungi.Beyond all that there are 21 species of East Asia and North America discontinuous distribution,it is of 9.91% of total macro fungi.There are 7 species of China and Japan discontinuous distribution,it is of 3.30% of total macro fungi.There are 17 species of Eurasia discontinuous distribution,it is of 8.02% of total macro fungi.It ie show that the macro fungi's flora puting up temperate zone characteristic in Helan Mountain.