Taxon - Odkazy a literatura
Kew Science - Plants of the World online 2024-05 [7056-2]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [jako Ageratina urbani (Ekman ex Urb.) R.M.King & H.Rob.]
Datum citace: 30. leden 2025
IUCN Red List of Threatened Species 2024-1 [121392654]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Ageratina urbani (Ekman ex Urb.) R.M.King & H.Rob.]
Datum citace: 29. leden 2024