【摘要】 经过调查和查阅文献,初步确定庐山有外来种子植物138科516属1 249种,其中仙人掌科的种类最多,有97种,其次是松科和菊科,分别有85种、67种。从来源看一半来自亚洲,其次是31.79%来自美洲,其它种来自欧洲、非洲、大洋洲等地区。并对这些外来种的传入途径、各种价值以及所产生的影响做了初步的分析。更多还原

【Abstract】 1249 species of alien plants belonging to 516 genera,138 families are identified in Lu Mountain through investigation and referring to the related literatures,there are 97 species belonging to Cactaceae,which is the most.Following the Cactaceae,the Pinaceae and the Compositae consists of 85 species and 67 species.Among the alien plants which originate from various regions in the world,about 50.32 percent of species originate from Asia,about 31.79 percent of species originate from America,the other originate from Europe,Oceania and Africa etc.We investigated and analyzed the alien species on their invasive ways,all kinds of values and their influences.更多还原