Pollination and seed production of lucerne in eastern Siberia.
Trud. vost.-sibir. Fil. sibir. Otd. Akad. Nauk SSSR (Trans. E. Siber. Branch Siber. Sect. USSR Acad. Sci.). 35, 88-89
Observations on pollination have shown that wild bee and bumble bee are better pollinators than the domesticated bee, as the latter collects nectar without tripping the flower.