Figure 1.

Publications that acknowledged searching, accessing or downloading data from one or more of the following portals: idigbio.org, lichenportal.org, bryophyteportal.org, tcn.amnh.org, symbiota4.acis.ufl.edu/scan/portal/, neherbaria.org, mycoportal.org, macroalgae.org, macaulaylibrary.org, seinet.org, sernecportal.org, vertnet.org, midatlanticherbaria.org, invertebase.org. The data supporting this figure and figure 2 can be accessed at https://www.idigbio.org/sites/default/files/internal-docs/Supporting%20references%20for%20Nelson%20%26%20Ellis%20%282018%29.pdf.