taxmap object. Can also be used to get the roots of
a subset of taxa.
roots(obj, subset = NULL, index = FALSE)taxmap) The taxmap object containing taxon information to be
queried.character) Taxon IDs for which supertaxa will be returned. Default: All
taxon in obj will be used.logical) If TRUE, return the indexes of roots in
taxon_data instead of taxon_idscharacter
obs,
subtaxa, supertaxa