五大连池蜈蚣衣科地衣物种多样性的初步研究

A preliminary study on the species diversity of the lichen family Physciaceae of Wudalianchi, northeastern China

对五大连池蜈蚣衣科地衣的物种多样性及其分布、地理成分进行了初步研究。结果表明,分布在五大连池的蜈蚣衣科地衣共有4属,38种。其中,黑龙江新记录种25种,中国新记录种2种。这些种类分别为世界广布成分、东亚‐北美成分、东亚成分、北温带成分、泛热带成分、中国特有成分6个类型。本地区以北温带成分(29%)、东亚‐北美成分(29%)和世界广布成分(18%)为主。蜈蚣衣科地衣在五大连池地区主要生长在蒙古栎、火山杨、朽木和岩面上。

A preliminary study was carried out on the species diversity, distribution and geographical elements of the chen family Physciaceae of Wudalianchi, northeastern China. There are 4 genera and 38 species in the area, among them 25 are new to Heilongjiang Province and two are new to China. Based on the geographical analysis, these species were classified into six categories： cosmopolitan element, Eastern Asia-North America element, Eastern Asia element, north temperate element, pantropical element and Sino-endemic element. The main categories are north temperate element （29%）, Eastern Asia-North America element （29%） and cosmopolitan element （18%）. The species belonging to Physciaceae of this area frequently grow on Quercus mongolica, Populus davidiona, rotten wood and rock.