A taxonomic toolbelt for R

IUCN Red List API Client

python port of taxize (taxonomy toolbelt) for R

Tools for Working with Taxonomic SQL Databases

World Register of Marine Species R client

taxonomy data from Wikipedia/Wikidata/Wikispecies

Interface to the Bold Systems barcode webservice

Integrated Taxonomic Information Service (ITIS) R client

:warning: ARCHIVED :warning: NatureServe R client

:no_entry: ARCHIVED :no_entry: Taxonomic Information from Around the Soap Web

the taxize book (WIP)