# Betula nigra

> species of plant

**Wikidata**: [Q1510231](https://www.wikidata.org/wiki/Q1510231)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Betula_nigra)  
**Source**: https://4ort.xyz/entity/betula-nigra


## References

1. Species Plantarum. 1st Edition, Volume 2
2. The IUCN Red List of Threatened Species 2022.2
3. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
4. IUCN Red List
5. Freebase Data Dumps. 2013
6. Taxonomy database of the U.S. National Center for Biotechnology Information
7. Integrated Taxonomic Information System
8. Encyclopedia of Life
9. Global Biodiversity Information Facility
10. Tropicos
11. International Plant Names Index
12. The Plant List 1.1
13. GRIN Taxonomy for Plants
14. Flora of North America
15. United States Department of Agriculture Plants Database
16. Plant Finder
17. A dataset on catalogue of alien plants in China
18. [Source](http://www.sabencia.net/nomenclator.php)
19. Native Plants Database
20. North Carolina Extension Gardener Plant Toolbox
21. New Zealand Organisms Register
22. BDTFX v7.00
23. National Biodiversity Network
24. Nederlands Soortenregister
25. World Checklist of Selected Plant Families
26. Plants of the World Online
27. Interim Register of Marine and Nonmarine Genera
28. World Flora Online
29. National Library of Israel Names and Subjects Authority File
30. [Source](https://www.gardenia.net/plant/betula-nigra-river-birch)
31. Royal Horticultural Society Plant Database
32. Open Tree of Life reference taxonomy version 3.2
33. New York Flora Atlas
34. Virginia Tech Dendrology Factsheets
35. Garden Plant Finder
36. Maryland Plant Atlas
37. Indiana Plant Atlas
38. Flora of the Southeastern United States
39. Go Botany
40. Biota of New Zealand
41. SERNEC
42. TORCH Data Portal
43. CalPhotos