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. 2019 Nov 20;286(1915):20192096. doi: 10.1098/rspb.2019.2096

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© 2019 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 4. — Bee genus accumulation curves for each biogeographic realm. The y-axis shows the number of bee genera observed on flowers and the x-axis shows the number of crops studied. Solid grey lines are accumulation curves when native crops are sampled (grey dashed lines are 95% confidence bands), solid black lines are accumulation curves when exotic crops are sampled (black dashed lines are 95% confidence bands).