Mangroves are halophytes, mainly tree species that grow in tidal saline wetlands along tropical and subtropical coasts. They are usually categorized as true mangrove plants and mangrove associates. Also there have some standards to distinguish these two kinds of plants, there are still great differences in the understanding of these standards. So there is still much controversy about some mangrove species. The distribution of K, Na, Cl, Ca, Mg in different organs of sixteen unanimously true mangrove ...