De-Yuan Hong, and Kai-Yu Pan. Pollen Morphology of the Platycodonoid Group (Campanulaceae s. str.) and Its Systematic Implications[J]. J Integr Plant Biol, 2012, 54(10): 773-789.
De-Yuan Hong, and Kai-Yu Pan. Pollen Morphology of the Platycodonoid Group (Campanulaceae s. str.) and Its Systematic Implications[J]. J Integr Plant Biol, 2012, 54(10): 773-789.