TY - J Integr Plant Biol A1 - Wang Zhong-ren, Xia Qun and Zhang Zhi-xian T1 - Cytological Observations on 25 Species of Chinese Ferns Y1 - JF - Journal of Integrative Plant Biology JO - J Integr Plant Biol SP - EP - VL - 26 IS - 6 UR - https://www.jipb.net N1 - ER -