On the basis of investigation,collection and sifting,595 species and varieties of nectar and pollen plants were found,belonging to 296 genera and 98 families.

• 笔者在调查、收集、整理的基础上，初步筛选出蜜粉源植物595种及变种，隶属于98科296属,以刺槐、荆条、枣树、紫云英等植物组成主要蜜源。