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The data are distribution and ranked abundance data for thirteen invasive plants in the Northeast US compiled from various spatial repositories for invasive species. iMAP invasives data are not included in this dataset because they are not publicly available. iMAP data can be requested from individual states.
These data form the basis of analyses presented in Cross et al. 2017. "Frequency of invasive plant occurrence is not a suitable proxy for abundance in the Northeast US Ecosphere".
Environmental Sciences | Natural Resources and Conservation
Cross, Tyler; Finn, John T.; and Bradley, Bethany, "Northeast Invasive Plants Data" (2017). Environmental Conservation Datasets. 6.