摘要:第1期中国植被地理分布的规律性····························································……候学灶我国小麦族的花序形态演化与其属间亲缘关系的探讨··················……郭本兆、王世金中国黄者属胖尊亚属的新分布····························································……付坤俊通过胚珠试管受精获得烟草种间杂交种·························…