More info about cross-pollination: http://www.gardenweb.com/glossary/cross-pollination

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cross-pollination aided by pollinator
cross-pollination type of pollination
cross-pollination contrasts with self-pollination
cross-pollination has definition egg in one plant
cross-pollination has definition pollen from another plant
cross-pollination ensures genetic diversity
cross-pollination characteristic of imperfect flower
cross-pollination characteristic of perfect flower