Records of myxomycetes in the eastern and western parts of the United States

This file contains the clean list of myxomycete records found by the authors after an exhaustive record review and that was used in the following two articles : Stephenson SL, Stauffacher RW, Rojas C. 2020. Myxomycetes collected in the eastern United States and patterns of relative biodiversity (published in the journal Mycology) and Stephenson SL, Stauffacher RW, Rojas C. 2023. Myxomycetes collected in the western United States and patterns of relative biodiversity (published in the journal Karstenia).