MauritaniaAfrica, NorthernMyrtusArabiaRutaceaeFagusGeographyFossilsPlastidsPhylogenyExtinction, BiologicalPhylogeographyDNA, PlantConservation of Natural ResourcesMicrosatellite RepeatsGenetic VariationBiological EvolutionGenetics, PopulationEcosystemEvolution, MolecularSequence Analysis, DNASpecies SpecificityMolecular Sequence Data