List of Articles Embryo sac Open Access Article Abstract Page Full-Text 1 - Study on pollen grain and ovule developmental properties in Salvia verticillata L. collected from different regions of Iran maryam kameli Ahmad Majd Seyed Mohsen Hesamzadeh Hejazi Mehdi Mirza Taher Nejadsattari Open Access Article Abstract Page Full-Text 2 - Comparative study on the developmental stages of reproductive organs (ovule and pollen grains) of Origanum vulgare L. Somayeh Tahmasebi Ahmad Majd Ali Mehrafarin Parisa Jonoubi