# Centaurea nigrescens

> species of plant

**Wikidata**: [Q627352](https://www.wikidata.org/wiki/Q627352)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Centaurea_nigrescens)  
**Source**: https://4ort.xyz/entity/centaurea-nigrescens


## References

1. Freebase Data Dumps. 2013
2. Taxonomy database of the U.S. National Center for Biotechnology Information
3. Integrated Taxonomic Information System
4. Encyclopedia of Life
5. Global Biodiversity Information Facility
6. Tropicos
7. International Plant Names Index
8. The Plant List 1.1
9. GRIN Taxonomy for Plants
10. Flora of North America
11. Database of Vascular Plants of Canada
12. United States Department of Agriculture Plants Database
13. [FloraWeb](http://www.floraweb.de/pflanzenarten/artenhome.xsql?suchnr=1372)
14. Indiana Plant Atlas
15. [Portál informačního systému ochrany přírody](https://portal.nature.cz/publik_syst/nd_nalez-public.php?idTaxon=36151)
16. Flora Reipublicae Popularis Sinicae, volume 78(1)
17. A dataset on catalogue of alien plants in China
18. Dyntaxa
19. UMLS 2023
20. Plants of the World Online
21. Interim Register of Marine and Nonmarine Genera
22. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
23. Australian Plant Name Index
24. FloraWeb
25. Info Flora
26. European Nature Information System
27. eFloraSA
28. World Flora Online
29. National Library of Israel Names and Subjects Authority File
30. Open Tree of Life reference taxonomy version 3.2
31. Washington Flora Checklist
32. E-Flora BC
33. New York Flora Atlas
34. Naturbasen
35. Maryland Plant Atlas
36. FloraVeg.EU
37. Flora of the Southeastern United States
38. Go Botany
39. Biota of New Zealand
40. SERNEC
41. CalPhotos
42. Flora Croatica Database