RosaceaePrunusFragariaPotentillaMalusAfrican AmericansSorbusSpiraeaGeumSelf-Incompatibility in Flowering PlantsPyrusIndians, North AmericanErwinia amylovoraAsian AmericansPlant Components, AerialRosaGenome, PlantMexican AmericansRosalesHispanic AmericansPollenFruitPhylogenyPolyploidyFlowersUnited StatesRibonucleasesEuropean Continental Ancestry GroupExpressed Sequence TagsGeneticsGenes, PlantPollinationChromosomes, PlantGenetic MarkersTriterpenesTreesNorth AmericaGenomicsAmerican SamoaSynteny