Acknowledgements
This work was supported by the National Science Foundation (DEB 1441677 to MES; DEB 1441715 to JES). Additional funding was provided by the Department of Plant Pathology, the USDA-NIFA under award number FLA-PLP-005289 and the Institute for Food and Agricultural Sciences at the University of Florida. We thank Tim James (University of Michigan) and William J. Davis (USDA Mycology and Nematology Genetic Diversity and Biology Lab) for sharing Zoopagales DNA samples used to generate reference rDNA sequences and in the mock community. We also appreciate the guidance and input from Gerald Benny (University of Florida) who provided access to the zygomycete culture collection and helped with the culture work. The environmental sampling was performed at the University of California Natural Reserve System James San Jacinto Mountains Reserve (doi: 10.21973/N3KQ0T) and Sweeney Granite Mountains Desert Research Center (doi: 10.21973/N3S942) and at the University of Florida Ordway-Swisher Biological Station (https://ordway-swisher.ufl.edu/) in Putnam County, Florida.