# Azolla cristata

> species of Equisetopsida

**Wikidata**: [Q17187973](https://www.wikidata.org/wiki/Q17187973)  
**Source**: https://4ort.xyz/entity/azolla-cristata


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Integrated Taxonomic Information System
3. Global Biodiversity Information Facility
4. Tropicos
5. International Plant Names Index
6. The Plant List 1.1
7. Nederlands Soortenregister
8. UMLS 2023
9. TAXREF v14.0
10. TAXREF v15.0
11. TAXREF v16.0
12. Plants of the World Online
13. World Flora Online
14. Open Tree of Life reference taxonomy version 3.2
15. New York Flora Atlas
16. FloraVeg.EU
17. Indiana Plant Atlas
18. SERNEC
19. CalPhotos
20. Flora Croatica Database