Comparison of the pollination activities among honeybee, Apis mellifera, and bumblebees, Bombus ignitus and B. terrestris in the watermelon houses on summer season
Effects of pollen shortage and self-pollination on seed production of an endangered tree, Magnolia Stellata
The largest early-diverging angiosperm family is mostly pollinated by ovipositing insects and so are most surviving lineages of early angiosperms