- Regnellidium
Taxobox
name = "Regnellidium"
regnum =Plant ae
divisio =Pteridophyta
classis =Pteridopsida
ordo =Salviniales
familia =Marsileaceae
genus = "Regnellidium"
subdivision_ranks = Species
subdivision = "Regnellidium diphyllum " Lindm. †"Regnellidium upatoiensis "Regnellidium is a monotypic genus of
fern s of familyMarsileaceae .The single living species, "
Regnellidium diphyllum ", Two-leaf Water Fern, is native to South Eastern 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 produceslatex .A fossil assigned to the species "
Regnellidium upatoiensis " has been found inCretaceous deposits of the easternUnited States .References
* Lupia, R., H. Schneider, G. M. Moeser, K. M. Pryer, and P. R. Crane. (2000). " [http://www.journals.uchicago.edu/cgi-bin/resolve?id=doi:10.1086/317567&erFrom=-986743397973378105Guest Marsileaceae Sporocarps and Spores from the Late Cretaceous of Georgia, U.S.A.] ". "International Journal of Plant Sciences" 161:975–988.
*Mabberley, D. J. (1997). "The Plant-Book". Cambridge University Press.
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