# Polytrichastrum norwegicum

> species of plant

**Wikidata**: [Q11888415](https://www.wikidata.org/wiki/Q11888415)  
**Source**: https://4ort.xyz/entity/polytrichastrum-norwegicum


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Encyclopedia of Life
3. Global Biodiversity Information Facility
4. Tropicos
5. The Plant List 1.1
6. [Finnish Biodiversity Information Facility](https://laji.fi/taxon/MX.43927/taxonomy)
7. UMLS 2023
8. European Nature Information System
9. World Flora Online
10. Open Tree of Life reference taxonomy version 3.2