罗霄山脉种子植物区系及其南北分化特征
赵万义, 刘忠成, 叶华谷, 王蕾, 陈功锡, 刘克明, 詹选怀, 廖文波

Floristic characteristics and north-south differentiation of seed plants in the Luoxiao Mountains
Wanyi Zhao, Zhongcheng Liu, Huagu Ye, Lei Wang, Gongxi Chen, Keming Liu, Xuanhuai Zhan, Wenbo Liao
表1 罗霄山脉种子植物科的分级统计
Table 1 Statistics on families of seed plants in the Luoxiao Mountains
科的数量分级
Grade of families
科数
No. of families
占总科数百分比
Percentage of total families (%)
所含种数
No. of species
占总种数百分比
Percentage of total species (%)
大科(>100种) Families more than 100 species 8 4.47 1,452 33.66
较大科(51-100种) Families with 51-100 species 10 5.59 727 16.85
中等科(11-50种) Families with 11-50 species 75 41.90 1,833 42.49
寡种科(2-10种) Families with 2-10 species 61 34.08 277 6.42
单型科(仅分布1种) Families with 1 species 25 13.96 25 0.58