Regnellidium

（重定向自Regnellidium diphyllum）

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.

单词	Regnellidium diphyllum
释义	Regnellidium diphyllum 英语百科 Regnellidium （重定向自Regnellidium diphyllum） 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.
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