1) Family marsileaceae 2) Fern family 
The Marsileaceae ee are a small family of heterosporous aquatic and semi-aquatic ferns, though at first sight they do not physically resemble other ferns. The group is commonly known as the `pepperwort family` or as the `water-clover family` because the leaves of the genus Marsilea superficially resemble the leaves of a four-leaf clover (a flo...
only family of the fern order Marsileales. The three genera and about 70 species of small aquatic ferns, which are of nearly worldwide distribution, ... [1 related articles]
[n] - clover ferns
family Marsileaceae noun clover ferns