Robuta

https://digitalcollections.udel.edu/Documents/Detail/common-burdock/63312 Common Burdock - University of Delaware Digital Collections university of delaware common burdock digital collections https://fsus.ncbg.unc.edu/show-taxon-detail.php?taxonid=5761 Arctium minus (Common Burdock) - FSUS arctium minus common burdock