| TNRS | Resolve plant taxonomic names |
| TNRS_base | Resolve a small batch of plant taxonomic names |
| TNRS_citations | Get citation information |
| TNRS_metadata | Get TNRS metadata |
| TNRS_sources | Get information on sources used by the TNRS |
| tnrs_testfile | 100 scientific names. |
| TNRS_version | Get metadata on current TNRS version |