fertilization pore 第1页

Microstructural Observations on the Development of Gametophytes and Oogenesis in the Fern Pteridium aquilinum var. latiusculum Ultrastructure of the Mature Egg and Fertilization in the Fern Ceratopteris thalictroides Ultrastructural Observations on Oogenesis of the Fern Anisocampium sheareri