1983 · 17 citations · 0 references
Life SciencesBotanyPlant SciencesPlant EcologyPlant Reproductive BiologyReproductive BiologyGenital MorphologyReproductive AnatomyReproductive EcologyReproductive IsolationReproductive MorphologyReproductive System MorphologyHornwort Reproductive StructuresReproductive DiversitySexual Reproduction Evolution