Waterclover
《英文msh词典》Waterclover
[同义词] Waterclover
[主题词] Marsileaceae
[英文释义] A plant family of the order Hydropteridales,class Filicopsida,division PTERIDOPHYTA. They are aquatic ferns with quatrifoliate leaves resembling four leaf clover,creeping rhizome,and bean shaped sporocarps.