# Crataegus monogyna var. monogyna
**Wikidata**: [Q67198796](https://www.wikidata.org/wiki/Q67198796)  
**Source**: https://4ort.xyz/entity/crataegus-monogyna-var-monogyna


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. Tropicos
4. Database of Vascular Plants of Canada
5. African Plant Database
6. BDTFX v7.00
7. TAXREF v9.0
8. TAXREF v10.0
9. TAXREF v11.0
10. TAXREF v12.0
11. TAXREF v13.0
12. TAXREF v14.0
13. World Flora Online
14. Washington Flora Checklist
15. E-Flora BC
16. New York Flora Atlas
17. Maryland Plant Atlas
18. Indiana Plant Atlas