original link:
http://Apiaceae.github.io/blog/2009/03/30/%E4%B8%AD%E5%9B%BD%E6%9C%89%E5%A4%9A%E5%B0%91%E7%A7%8D%E9%AB%98%E7%AD%89%E6%A4%8D%E7%89%A9%EF%BC%9F/
written by Hooker
posted at http://Apiaceae.github.io
中国有多少种高等植物？