# Natrix natrix

> species of reptile

**Wikidata**: [Q170713](https://www.wikidata.org/wiki/Q170713)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Grass_snake)  
**Source**: https://4ort.xyz/entity/natrix-natrix


## References

1. Integrated Taxonomic Information System. 2006
2. Reptile Database. 2015
3. The IUCN Red List of Threatened Species 2022.2
4. [Source](http://www.naturpark-holsteinische-schweiz.de/01_naturlandschaft/Naturpark_Tier.htm)
5. [Source](https://www.pronatura.ch/de/tier-des-jahres-2015)
6. A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes
7. IUCN Red List
8. Freebase Data Dumps. 2013
9. Taxonomy database of the U.S. National Center for Biotechnology Information
10. Encyclopedia of Life
11. Fossilworks
12. Global Biodiversity Information Facility
13. [Portál informačního systému ochrany přírody](https://portal.nature.cz/publik_syst/nd_nalez-public.php?idTaxon=40844)
14. [Belgian Species List](http://species.be/en/18707)
15. [Finnish Biodiversity Information Facility](https://laji.fi/taxon/MX.37639)
16. [Source](http://www.sabencia.net/nomenclator.php)
17. ARKive
18. Fauna Europaea
19. Dyntaxa
20. YSO-Wikidata mapping project
21. UMLS 2023
22. TAXREF v9.0
23. TAXREF v10.0
24. National Biodiversity Network
25. Nederlands Soortenregister
26. Interim Register of Marine and Nonmarine Genera
27. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
28. Ocean Biodiversity Information System
29. eBiodiversity
30. Belgian Species List
31. Finnish Biodiversity Information Facility
32. Open Tree of Life reference taxonomy version 3.6
33. Naturbasen
34. CalPhotos
35. EASIN Catalogue of Alien Species