# Polypodiopsida

> group of plants, usually a class

**Wikidata**: [Q373615](https://www.wikidata.org/wiki/Q373615)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Polypodiopsida)  
**Source**: https://4ort.xyz/entity/polypodiopsida


## References

1. A community-derived classification for extant lycophytes and ferns
2. Reveal System of Classification
3. Freebase Data Dumps. 2013
4. Taxonomy database of the U.S. National Center for Biotechnology Information
5. Integrated Taxonomic Information System
6. BioLib
7. Fossilworks
8. Global Biodiversity Information Facility
9. World Register of Marine Species
10. Tropicos
11. BBC Things
12. Dyntaxa
13. New Zealand Organisms Register
14. UMLS 2023
15. Interim Register of Marine and Nonmarine Genera
16. VicFlora
17. Australian Plant Name Index
18. KBpedia
19. Open Tree of Life reference taxonomy version 3.2