Those very early bees might have been feeding on non-flowering plants that preceded flowering plants during evolutionary history. The early bees could have fed on nonflowering plants such as ferns or pine trees.

在进化史上，那些非常蜜蜂能一直以开花植物之前非开花植物为食。蜜蜂能以蕨类植物或松树等不开花植物为食。