Data from: Monarch butterfly and milkweed declines substantially predate the use of genetically modified crops

Boyle JH, Dalgleish HJ, Puzey JR

Date Published: February 11, 2019

DOI: https://doi.org/10.5061/dryad.sk37gd2

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Title Raw_records
Downloaded 39 times
Description This archive contains: 1) Raw specimen records from the University of Wisconsin, the Consortium of Midwest Herbaria, and Symbiota. 2) Redacted specimen records from the University of Minnesota (see PART 0.0 in the R_scripts archive for more information). 3) The DOI for the raw specimen records from GBIF.
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Title R_scripts
Downloaded 19 times
Description This archive contains the R scripts used for all data analyses.
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When using this data, please cite the original publication:

Boyle JH, Dalgleish HJ, Puzey JR (2019) Monarch butterfly and milkweed declines substantially predate the use of genetically modified crops. Proceedings of the National Academy of Sciences of the United States of America 116(8): 3006-3011. https://doi.org/10.1073/pnas.1811437116

Additionally, please cite the Dryad data package:

Boyle JH, Dalgleish HJ, Puzey JR (2019) Data from: Monarch butterfly and milkweed declines substantially predate the use of genetically modified crops. Dryad Digital Repository. https://doi.org/10.5061/dryad.sk37gd2
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