# Spermacoce tetraquetra

> species of plant

**Wikidata**: [Q15453630](https://www.wikidata.org/wiki/Q15453630)  
**Source**: https://4ort.xyz/entity/spermacoce-tetraquetra


## References

1. The IUCN Red List of Threatened Species 2022.2
2. IUCN Red List
3. Integrated Taxonomic Information System
4. Encyclopedia of Life
5. Global Biodiversity Information Facility
6. Tropicos
7. International Plant Names Index
8. The Plant List 1.1
9. United States Department of Agriculture Plants Database
10. World Checklist of Selected Plant Families
11. Plants of the World Online
12. Interim Register of Marine and Nonmarine Genera
13. World Flora Online
14. Native Plants Database
15. Open Tree of Life reference taxonomy version 3.2
16. Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
17. [Source](https://www.gbif.org/dataset/d51a552b-0d2c-4788-a5c9-824b552abbf1)
18. Flora of the Southeastern United States
19. SERNEC