TY -JOUR AU -You-long Chiang and Shu-yuan Lin TI -Ontogeny and Structure of Archegonium in Ceratopteris thalictroides (L.) Brongn. PY -1971 DA -0000-00-00 JO -Taiwania VL -16 IS -1 SP -175 EP -184 UR -https://taiwania.ntu.edu.tw/abstract/811 AB -A mature archegonium of Ceratopteris thalictroides (L.) Brongn. consists of a short neck with three to five (typically four) tiers of cells curved backward away from the notch, an enlarged venter surrounded by a layer of sterite jacket cells and an axial DO -10.6165/tai.1971.16.175