https://www.pollenlibrary.com/Local/Specie/Xanthium+strumarium/in/Miami%20County/OH/
Rough Cockleburr (Xanthium strumarium) Species Details and Allergy Info, Miami county, Ohio
Xanthium strumarium Research Information. Rough Cockleburr allergy information and photos, Miami county, Ohio
xanthium strumariummiami countyroughcockleburrspecies