WoRMS catalogs marine species names and reflects current published taxonomic knowledge.
International Plant Names Index vs ITIS
How do International Plant Names Index and ITIS compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | International Plant Names Index | ITIS |
|---|---|---|
| What it is | IPNI provides nomenclatural details for vascular plant names, including spelling, authorship, type, and publication information. | ITIS assembles scientific names and taxonomic relationships for global species and makes taxonomy data available through software. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both International Plant Names Index and ITIS.
The Atlantic Canada Conservation Data Centre provides biodiversity information for the region.
Systema Dipterorum catalogs names of living and extinct two-winged insects and provides access to its taxonomic resources.
Natural Resources Canada's geoscience tools include a searchable lexicon of published geological names used in Canada.
Merton Data brings together local information about the borough and lets visitors explore details and compare local areas.
The UK's Biological Records Centre coordinates records of terrestrial and freshwater species with volunteer observers.




