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The Biosystematic Relationships among Psathyrostachys, Critesion and Hordelymus Based on the Micromorphological Characteristics of Leaf Epidermis
SU Xu;CAI Lian-Bing*
Bulletin of Botanical Research . 2009, (1): 113 -117 .  DOI: 10.7525/j.issn.1673-5102.2009.01.023