available.species:
Returns a data.frame that lists the available species strings and
their taxonomy Ids.
Description
NCBI maintains a collection of unique taxonomy Ids and pairs these
with associated genus and species designations. This function returns
the set of pre-processed values that we use to check that something is
a valid Taxonomy ID (or species name)
Usage
available.species()
Arguments
Value
A data frame with 1 row per species designation and two columns. The
1st column is the taxonomy Id. The second columns is the species name.