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Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae)

BiologyGenetic DiversityLow IntrogressionPhylogeneticsGenetic IntegrityHybridisationHybridizationGeneticsEvolutionary BiologyFrequent HybridizationNatural SciencesMedicineGenetic VariationPopulation GeneticsSpeciation