Pollination by insects -- North America : Status of pollinators in North America / Committee on the Status of Pollinators in North America, Board on Life Sciences, Board on Agriculture and Natural Resources, Division on Earth and Life Studies, National Research Council of the National Academies
2007
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Pollination by insects -- United States : Honey bees : colony collapse disorder and pollinator role in ecosystems / Iris T. Blaylock and Terresa H. Richards, editors