Marsilea quadrifolia has got to be a extincted species in the Ebro’s Delta. In this work the process of recovery of the species is described by sporocarps localization in the soil, germination of the same ones in the laboratory and cultivation in pots of the obtained sporelings, from which we proceeded to the reintroduction of Marsilea quadrifolia in old rice fields inside the land of the Natural Park, as well as the conservation measures ex situ applied on this species that traditionally took part of the communities of Orizetea sativae Miyawaki 1960 in this area.... [Leer más...]