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Monochoria vaginalis var. angustifolia,a new variety of the Pontederiaceae from Thailand
WANG Guang-Xi, LI Wei, WAN Xiao-Chun, Misako ITO
中国科学院大学学报 . 2003, (6): 569 -572 .  DOI: 10.7523/j.issn.2095-6134.2003.6.009