Scientific name Regnellidium Rank Genus | Division Pteridophyta | |
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Similar Marsileaceae, Pilularia, Water ferns, Leptosporangiate fern, Vascular plant | ||
Regnellidium is a monotypic genus of ferns of family Marsileaceae.
The single living species, Regnellidium diphyllum, the two-leaf water fern, is native to southeastern Brazil and adjacent regions of Argentina. It resembles its relatives from the genus Marsilea, but has 2-lobed leaves (rather than 4). This fern is sometimes grown in aquaria. It is the only non-flowering plant that produces latex.
A fossil assigned to the species Regnellidium upatoiensis has been found in Cretaceous deposits of the eastern United States.
References
Regnellidium Wikipedia(Text) CC BY-SA