https://www.asergeev.com/pictures/archives/compress/2014/1383/01.htm
Photo 1383-01: Puncturevine (caltrop, Tribulus terrestris) on a sidewalk of Al Diwan St.. Doha,...
Picture Archives - Album 1383 (Doha, Qatar, March 28, 2014) - Photo 01 (Puncturevine (caltrop, Tribulus terrestris) on a sidewalk of Al Diwan Street. Doha,...
tribulus terrestrison aphotopuncturevinesidewalk
https://bplant.org/plant/26532
puncturevine (Tribulus terrestris) - bplant.org
tribulus terrestrispuncturevine