https://www.pollenlibrary.com/Local/Specie/Artemisia+biennis/in/Jones%20County/IA/
Biennial Wormwood (Artemisia biennis) Species Details and Allergy Info, Jones county, Iowa
Artemisia biennis Research Information. Biennial Wormwood allergy information and photos, Jones county, Iowa
biennial wormwoodartemisia biennisjones countyspeciesdetails
https://heukels.naturalis.nl/linnaeus_ng/app/views/species/taxon.php?id=4401
2006 Flora van Nederland: Artemisia biennis Willd.
artemisia biennisfloravannederland