# Chara polyacantha

> species of alga

**Wikidata**: [Q677535](https://www.wikidata.org/wiki/Q677535)  
**Source**: https://4ort.xyz/entity/chara-polyacantha


## References

1. [Source](http://www.wasserpflanze-des-jahres.org/historie.html)
2. Taxonomy database of the U.S. National Center for Biotechnology Information
3. Encyclopedia of Life
4. [BioLib](https://www.biolib.cz/cz/taxon/id1147194/)
5. Global Biodiversity Information Facility
6. World Register of Marine Species
7. AlgaeBase
8. Dyntaxa
9. TAXREF v9.0
10. TAXREF v10.0
11. TAXREF v11.0
12. TAXREF v12.0
13. Interim Register of Marine and Nonmarine Genera
14. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
15. Info Flora
16. Open Tree of Life reference taxonomy version 3.2
17. Naturbasen