# Polycarpon tetraphyllum subsp. diphyllum

> subspecies of plant

**Wikidata**: [Q20060636](https://www.wikidata.org/wiki/Q20060636)  
**Source**: https://4ort.xyz/entity/polycarpon-tetraphyllum-subsp-diphyllum


## References

1. Global Biodiversity Information Facility
2. Tropicos
3. The Plant List 1.1
4. African Plant Database
5. BDTFX v7.00
6. TAXREF v9.0
7. TAXREF v10.0
8. TAXREF v11.0
9. TAXREF v12.0
10. TAXREF v13.0
11. Plants of the World Online
12. European Nature Information System
13. World Flora Online
14. Flora Croatica Database
15. EASIN Catalogue of Alien Species