Family
Marsileaceae
Marsilea vestita. Photo: (c) Bill Dodd, some rights reserved (CC BY-NC)
The Marsileaceae /mɑːrsɪliˈeɪsiː/ 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 flowering plant). Leaves of this fern have sometimes been used to substitute for clover leaves on Saint Patrick’s Day. In all, the…
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