https://labdanum-creta.blogspot.com/2007/06/area-of-ladanum.html
Labdanum of Cistus Incanus Creticus from Crete.: AREA OF LADANUM
cistus incanuslabdanumcretearea
https://www.merriam-webster.com/dictionary/ladanum
LADANUM Definition & Meaning - Merriam-Webster
The meaning of LADANUM is a soft dark fragrant bitter oleoresin derived from various rockroses (genus Cistus) and used in making perfumes.
definitionmeaningmerriamwebster
https://indiana.plantatlas.usf.edu/Plant.aspx?id=1264
Galeopsis ladanum - Species Page - IPA: Indiana Plant Atlas
The Indiana Plants Atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland...
speciesipaindianaplantatlas