# Crucigenia quadrata

> species of green algae

**Wikidata**: [Q49627423](https://www.wikidata.org/wiki/Q49627423)  
**Source**: https://4ort.xyz/entity/crucigenia-quadrata


## 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/id141549/)
4. Global Biodiversity Information Facility
5. World Register of Marine Species
6. AlgaeBase
7. Dyntaxa
8. New Zealand Organisms Register
9. UMLS 2023
10. Catalogue of Life in Taiwan
11. TAXREF v13.0
12. TAXREF v14.0
13. TAXREF v15.0
14. TAXREF v16.0
15. National Biodiversity Network
16. Interim Register of Marine and Nonmarine Genera
17. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
18. eBiodiversity
19. Open Tree of Life reference taxonomy version 3.2
20. Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
21. Biota of New Zealand