Taxa that resolve to a subgroup level taxon and contain a comma ","
are assumed to be "family"
-level.
taxon_to_level(taxon)
character vector of taxon names at Order, Suborder, Great Group or Subgroup level.
character of taxonomic hierarchy levels (such as "order", "suborder", "greatgroup", "subgroup", "family") for each element of input vector.
# get the taxonomic levels for various taxa
taxon_to_level(c("gelisols", NA, "foo", "typic folistels", "folistels"))
#> [1] "order" NA NA "subgroup" "greatgroup"