Robuta

https://mywildflowers.com/detail.asp?photo=ar66L&p1=searchpage.asp&c1=Search&c2=Results&mode=search&srch=Helianthus%20decapetalus&searchin=sname&itype=fruit/seed%27,%27flower%27,%27leaf%27,%27bud%27,%27tech Wildflower: Thin-Leaved Sunflower (Helianthus decapetalus), Allegheny River Trail Wildflower detail: Thin-Leaved Sunflower (Helianthus decapetalus) from Allegheny River Trail helianthus decapetalusallegheny riverwildflowerthinleaved