PollenPollen TubeCupressusLiliumPollinationGametogenesis, PlantFlowersBetulaAmbrosiaTyphaceaeRhinitis, Allergic, SeasonalGerminationAllergensOvuleJuniperusPlant ProteinsSeedsCedrusMeteorological ConceptsGerm Cells, PlantArabidopsisAlnusLycopodiaceaeCerealsPlant InfertilityReproductionAngiospermsGene Expression Regulation, PlantCupressaceaeZea maysAntigens, PlantArabidopsis ProteinsGametogenesisRanunculusPlants, Genetically ModifiedSelf-FertilizationBrassicaGenes, PlantCryptomeriaPoaceaeGymnospermsTreesFraxinusCalycanthaceaeCarduusPlant StructuresBeesAristolochiaSeasonsWindHypersensitivitySelf-Incompatibility in Flowering PlantsChrysanthemumOleaRNA, PlantOryza sativaDNA, PlantTobaccoMicroscopy, Electron, ScanningFernsPolyploidyMolecular Sequence DataPapaverPlantsEuphorbiaFertilizationRosaImmunoglobulin EBetulaceaeCrosses, GeneticTriticumSporesGlucansChromosomes, PlantMutationCell WallAmino Acid SequencePhleumMeiosisPlants, ToxicSkin TestsEnvironmental Monitoring