Table 1

Details of taxonomic sources used by the TNRS
Name Total names Taxonomic scope Geographic scope Primary URL
Tropicos    1,250,897 Embryophytes Comprehensive coverage of North, Central and South America; partial coverage of Old World, especially Madagascar, Aast Africa and China. http://www.tropicos.org/ webcite
USDA Plants    93,307 Embryophytes and lichens U.S. and its territories, Canada, Greenland http://plants.usda.gov/java/ webcite
Global Compositae Checklist     123,551 Asteraceae Global http://compositae.landcareresearch.co.nz/ webcite
NCBI Taxonomy     210,214 Embryophytes Global http://www.ncbi.nlm.nih.gov/taxonomy webcite

Total names includes higher taxa and infraspecific taxa in addition to species. Taxonomic scope refers to the subset of the database used for the TNRS (for example, NCBI Taxonomy covers the entire tree of life, not just embryophytes). "Embryophytes" are flowering plants, conifers, ferns, mosses, hornworts and liverworts.

Boyle et al.

Boyle et al. BMC Bioinformatics 2013 14:16   doi:10.1186/1471-2105-14-16

Open Data