The investigation and analysis on wild vascular plant resources in Shuangfeng County of Hunan Province
From 2022 to 2023,a survey by the sampling survey method was conducted on the wild vascular plant resources in Shuangfeng County,Hunan Province.The results showed that the wild vascular plant diversity was rich,and there were a total of 1 205 species of wild vascular plants belonging to 593 genera and 153 families in Shuangfeng County.At the family level,the overall number of species tended to be included in a few plant families.At the genus level,the few species genus was the main component of the wild vascular plant genus in Shuangfeng County.The geographical composition of plant flora was complex,and lycophytes and ferns in Shuangfeng County was dominated by tropical elements.The seed plant flora of Shuangfeng County exhibited tropical elements at the family level,while exhibiting obvious transitional properties at the genus level.There were a total of 11 species of nationally protected wild plants and 2 species of locally protected wild plants in Hunan Province.Invasive plants were more severe,there were a total of 27 species of invasive plants in 22 genera and 15 families,with the most invasive plants found in America.In the composition of invasive plant species,the Asteraceae family had the highest number of species(10 species),accounting for 37.04%of the total number of invasive plant species.
wild vascular plantskey protected plantsinvasive plants from outsideShuangfeng CountyHunan Province