# Helianthus rigidus

> species of plant

**Wikidata**: [Q50842233](https://www.wikidata.org/wiki/Q50842233)  
**Source**: https://4ort.xyz/entity/helianthus-rigidus


## References

1. Integrated Taxonomic Information System
2. [BioLib](https://www.biolib.cz/cz/taxon/id41540/)
3. Global Biodiversity Information Facility
4. World Register of Marine Species
5. Tropicos
6. International Plant Names Index
7. GRIN Taxonomy for Plants
8. [Finnish Biodiversity Information Facility](https://laji.fi/taxon/MX.41749/taxonomy)
9. BDTFX v7.00
10. National Biodiversity Network
11. Nederlands Soortenregister
12. Plants of the World Online
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. European Nature Information System
16. World Flora Online
17. E-Flora BC
18. Naturbasen
19. Plant Finder