# Carex nigra

> species of plant

**Wikidata**: [Q158190](https://www.wikidata.org/wiki/Q158190)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Carex_nigra)  
**Source**: https://4ort.xyz/entity/carex-nigra


## References

1. The IUCN Red List of Threatened Species 2022.2
2. IUCN Red List
3. Freebase Data Dumps. 2013
4. Taxonomy database of the U.S. National Center for Biotechnology Information
5. Integrated Taxonomic Information System
6. Encyclopedia of Life
7. [BioLib](https://www.biolib.cz/cz/taxon/id42330/)
8. Global Biodiversity Information Facility
9. World Register of Marine Species
10. Tropicos
11. International Plant Names Index
12. The Plant List 1.1
13. GRIN Taxonomy for Plants
14. Flora of North America
15. Database of Vascular Plants of Canada
16. United States Department of Agriculture Plants Database
17. [FloraWeb](http://www.floraweb.de/pflanzenarten/artenhome.xsql?suchnr=1256)
18. [Portál informačního systému ochrany přírody](https://portal.nature.cz/publik_syst/nd_nalez-public.php?idTaxon=36015)
19. [Belgian Species List](http://species.be/en/23708)
20. Nederlands Soortenregister
21. A dataset on catalogue of alien plants in China
22. Dyntaxa
23. African Plant Database
24. WikiUMLS: Aligning UMLS to Wikipedia via Cross-lingual Neural Ranking
25. TAXREF v9.0
26. TAXREF v10.0
27. TAXREF v11.0
28. TAXREF v12.0
29. TAXREF v13.0
30. National Biodiversity Network
31. World Checklist of Selected Plant Families
32. Plants of the World Online
33. Interim Register of Marine and Nonmarine Genera
34. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
35. FloraWeb
36. Info Flora
37. eBiodiversity
38. Belgian Species List
39. World Flora Online
40. National Library of Israel Names and Subjects Authority File
41. Native Plants Database
42. Open Tree of Life reference taxonomy version 3.2
43. E-Flora BC
44. New York Flora Atlas
45. Naturbasen
46. FloraVeg.EU
47. Go Botany
48. Biota of New Zealand
49. SERNEC
50. Flora Croatica Database