wikitaxa - taxonomy data from Wikipedia/Wikidata/Wikispecies
wikitaxa docs: https://docs.ropensci.org/wikitaxa/
See also the taxize book: https://books.ropensci.org/taxize/
The low level API is meant for power users and gives you more control, but requires more knowledge.
CRAN version
install.packages("wikitaxa")
Dev version
remotes::install_github("ropensci/wikitaxa")
wikitaxa in R doing citation(package = 'wikitaxa')