This is Setaria adhaerens, the Bur Bristlegrass, from the family Poaceae

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Size: 2781px × 4672px
Location: Italy, Lazio, Fondi,
Photo credit: © Franz Neidl / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: adhaerens, adherent, bristlegrass, bur, edible, grass, hooked, italy, noxious, poaceae, seeds, setaria, summer, vertical, weed