# Alnus

> genus of plants

**Wikidata**: [Q25239](https://www.wikidata.org/wiki/Q25239)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alder)  
**Source**: https://4ort.xyz/entity/alder


## References

1. Global Biodiversity Information Facility
2. Freebase Data Dumps. 2013
3. Taxonomy database of the U.S. National Center for Biotechnology Information
4. Integrated Taxonomic Information System
5. Encyclopedia of Life
6. Fossilworks
7. Tropicos
8. GRIN Taxonomy for Plants
9. Flora of North America
10. Database of Vascular Plants of Canada
11. Flora of China
12. United States Department of Agriculture Plants Database
13. Nederlands Soortenregister
14. [Source](https://encyklopedia.pwn.pl/haslo/olsza;3950933.html)
15. Treccani's Enciclopedia on line
16. Flora Reipublicae Popularis Sinicae, volume 21
17. A new list of threatened woody species in China under future global change scenarios
18. Families and genera of Chinese angiosperms: a synoptic classification based on APG III
19. Checklist of tracheophyte in Heilongjiang Province
20. Species cataloging of the seed plants in Zhejiang, East China
21. A checklist of vascular plants in Shaanxi Province, China (Version 2021)
22. [eFloras](http://www.efloras.org/flora_page.aspx?flora_id=3)
23. Dyntaxa
24. Plazi
25. African Plant Database
26. YSO-Wikidata mapping project
27. New Zealand Organisms Register
28. UMLS 2023
29. BDTFX v7.00
30. National Biodiversity Network
31. [Source](https://www.treccani.it/enciclopedia/ontano/)
32. Plants of the World Online
33. Interim Register of Marine and Nonmarine Genera
34. [Portál informačního systému ochrany přírody](https://portal.nature.cz/publik_syst/nd_nalez-public.php?idTaxon=35277)
35. Australian Plant Name Index
36. Belgian Species List
37. World Flora Online
38. KBpedia
39. Open Tree of Life reference taxonomy version 3.2
40. Washington Flora Checklist
41. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
42. Biota of New Zealand