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One problem you often run in to is that there can be various names for the same taxon in any one source. For example:

df <- occ(query = 'Pinus contorta', from = c('gbif', 'idigbio'), limit = 50)
#> [1] "Pinus contorta Douglas ex Loudon"     
#> [2] "Pinus contorta var. latifolia Engelm."
#> [3] "Pinus contorta var. contorta"
#> [1] "pinus contorta"

This is fine, but when trying to make a map in which points are colored for each taxon, you can have many colors for a single taxon, where instead one color per taxon is more appropriate. There is a function in scrubr called fix_names(), which has a few options in which you can take the shortest names (usually just the plain binomials like Homo sapiens), or the original name queried, or a vector of names supplied by the user. scrubr is no longer maintained and no longer on CRAN, but you can get the package on GitHub at