Separate dark from known taxa on another database
taxon_separate_dark_taxa_using_genbank(taxon, filters = c("environmental",
"sp\\.", "cf\\.", "uncultured", "unidentified", " clone", " enrichment"),
verbose = TRUE, sleep = 0)
A taxon to get all species for
A character vector of strings to exclude
Update on how many are done
How many seconds to sleep between calls (on top of rentrez's defaults)
A list containing a vector of dark names, a vector of known names, and fraction.dark