TY - J Syst Evol A1 - Wang Wan-Xian T1 - A New Species of Potamogeton from Hubei Y1 - 1984-12-18 JF - Journal of Systematics and Evolution JO - J Syst Evol SP - 490 EP - 492 VL - 22 IS - 6 UR - https://www.jse.ac.cn N1 - ER -