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By: Gess, F WType: ArticleIn: Journal of Hymenoptera ResearchVolume: 21Series:Issue:Date: 2011Page Range: 1-39Publication Info: Pensoft Publishers 2011Subjects: floral associations Southern Africa taxonomy
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By: Gess, F WType: ArticleIn: Journal of Hymenoptera ResearchVolume: 24Series:Issue:Date: 2012Page Range: 95-115Publication Info: Pensoft Publishers 2012Subjects: floral associations Southern Africa taxonomy
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By: Gess, F WType: ArticleIn: Journal of Hymenoptera ResearchVolume: 25Series:Issue:Date: 2012Page Range: 83-92Publication Info: Pensoft Publishers 2012Subjects: floral associations Southern Africa taxonomy