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  Medicago sativa – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Medicago_sativa?uselang=de

  Keine Beschreibung vorhanden.

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  Tropical Fruit Pests and Pollinators: Biology, Economic Importance, Natural ... - Google Books

  http://books.google.de/books?id=t_BSs0hrAPAC&pg=PA41&dq=%22Erionota+thrax%22&hl=de&ei=AZhhTMi_PNy4jAfpluCZCQ&sa=X&oi=book_result

  Insect and other pests cause major economic damage on fruit crops in the tropics. However, some insects are beneficial and have a role in pollinating flowers, thus enabling fruit set. This book reviews these injurious and beneficial organisims and how they…

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  Pollination.co.de - Ihr Pollination Shop

  http://www.pollination.co.de

  Pollination Biology, Vol.1 als Buch von Dharam P. Abrol, Flowering of Australia´s Rainforests als eBook Download von Geoff Williams, Paul Adam, Taxonomy and Biology of Bignoniaceae in Dhaka City als Buch von Mst. Israt Zahan, Iqbal Mahmud, Md. Abul…

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  TIB AV-Portal

  https://av.tib.eu/series/186/olblumen+und+olsammelnde+bienen

  Wissenschaftliche Filme aus Technik, Architektur, Chemie, Informatik, Mathematik, und Physik

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  Google Scholar

  http://scholar.google.de/scholar?hl=de&q=%22Ceropegia+woodii%22&lr=lang_de%7Clang_en&as_ylo=2005&as_vis=0

  Keine Beschreibung vorhanden.

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  Category:Salvia apiana – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Salvia_apiana?uselang=de

  Keine Beschreibung vorhanden.

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  The Bees of the World - Charles Duncan Michener - Google Books

  https://books.google.de/books?id=bu_1gmY13FIC

  A comprehensive, worldwide treatment of all groups of bees - 1200 genera and subgenera, including more than 16,000 species. In extensive introductory sections, Charles D. Michener examines the evolution of bees from wasps, the relations of the families of…

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  Malpighiaceen und ihre Bestäuber

  //doi.org/10.3203/IWF%2FW-7047

  Zwischen Pflanze und Tier haben sich im Verlauf der Evolution enge Wechselbeziehungen entwickelt. In einem Naturreservat in Brasilien läßt sich eine besonders faszinierende Symbiose beobachten: Bei dieser bieten Blütenpflanzen den Bienen nicht - wie…

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  The Bees of the World - Charles Duncan Michener - Google Books

  http://books.google.de/books?id=bu_1gmY13FIC&pg=PA551

  A comprehensive, worldwide treatment of all groups of bees - 1200 genera and subgenera, including more than 16,000 species. In extensive introductory sections, Charles D. Michener examines the evolution of bees from wasps, the relations of the families of…

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  The Wild Orchids of California - Ronald A. Coleman - Google Books

  https://books.google.de/books?id=XCffElXn75UC&pg=PA39#v=onepage

  The Wild Orchids of California is an impressive extension of Ronald A. Coleman's wide fieldwork, literature review, and herbarium research. Written in a clear narrative style, Coleman's species accounts describe the plants and flowers, their habitats,…

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