Studies on Seed Morphology of Cyananthus (Campanulaceae) and Its Taxonomical Significance
ZHOU Zhuo-, CHEN Guang-Fu-, ZHANG Jian-Wen-, NIU Yiang-, LI Zhi-Min-, SUN Hang
Plant Diversity . 2013, (3): 265 -272 .  DOI: 10.7677/ynzwyj201313065