PollenPollen TubeMicropore FiltersFiltrationVena Cava FiltersPollinationRhinitis, Allergic, SeasonalLiliumBetulaAllergensFlowersAntigens, PlantAmbrosiaCupressusCryptomeriaAir FiltersPlant ProteinsGerminationOvulePlant InfertilitySelf-Incompatibility in Flowering PlantsAlnusOleaPoaceaeArabidopsisSeedsMeteorological ConceptsPaperReproductionCedrusPapaverAngiospermsBeesTreesGametogenesis, PlantGene Expression Regulation, PlantImmunoglobulin EBetulaceaeArabidopsis ProteinsCupressaceaePlants, Genetically ModifiedPhleumSelf-FertilizationHypersensitivityGerm Cells, PlantGenes, PlantZea maysSeasonsSkin TestsJuniperusTobaccoMolecular Sequence DataDesensitization, ImmunologicHoneyWindPetuniaFraxinusBrassicaArtemisiaLoliumDNA, PlantGametogenesis