Hummingbird pollination and the diversification of angiosperms: An old and successful association in Gesneriaceae
Do pollinator distributions underlie the evolution of pollination ecotypes in the Cape shrub Erica plukenetii?
Visitation, effectiveness, and efficiency of 15 genera of visitors to wild radish, Raphanus raphanistrum (Brassicaceae)
Pollination systems of trees in Kakachi, A mid-elevation wet evergreen forest in western Ghats, India