The species composition of the evergreen broad - leaved forest floor in Tiantong were studied. The results were as follows: there were 44 families, 78 genera 114 species of vascular plants in the living floor, and in which the pteridophyta were the most dominant, in particular,the Diplopterygium gleucum occupied the most dominant among the Pteridophyta. The cosmopolitan families and hemicryptophyte occupied the highest percentage of the herbs, in which,the evergreen species occupied 84. 6 %. And the geners ...