# Halictoxenos spencei
**Wikidata**: [Q50405826](https://www.wikidata.org/wiki/Q50405826)  
**Source**: https://4ort.xyz/entity/halictoxenos-spencei


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Integrated Taxonomic Information System
3. [BioLib](https://www.biolib.cz/cz/taxon/id104706/)
4. Global Biodiversity Information Facility
5. [Finnish Biodiversity Information Facility](http://laji.fi/taxon/MX.213111)
6. Dyntaxa
7. UMLS 2023
8. TAXREF v9.0
9. TAXREF v10.0
10. TAXREF v11.0
11. TAXREF v12.0
12. TAXREF v13.0
13. TAXREF v14.0
14. TAXREF v15.0
15. TAXREF v16.0
16. National Biodiversity Network
17. Nederlands Soortenregister
18. Fauna Europaea
19. Interim Register of Marine and Nonmarine Genera
20. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
21. European Nature Information System
22. eBiodiversity
23. Finnish Biodiversity Information Facility
24. Open Tree of Life reference taxonomy version 3.6
25. Naturbasen