TY - J Integr Plant Biol A1 - LIU Wen Zhe, Lü Hong Fei, HU Zheng Hai T1 - Ultrastructure of the Multicellular Nodules in Hyperic um perforatum Leaves Y1 - 2002-06-15 JF - Journal of Integrative Plant Biology JO - J Integr Plant Biol SP - 649 EP - 656 VL - 44 IS - 6 UR - https://www.jipb.net N1 - ER -