thlaspi arvense on white background. flattened, oval seedpods of field pennycress. medicinal herb

thlaspi arvense isolated medicinal herb pennycress meadow plant white background field flower flora herbal medicine traditional weed bloom pharmacist brassicaceae healing penny cress closeup wildflower farming grass seed natural agriculture green garden home remedies nature stem lamellae penn up shank close bucks harvest detail overspray wild flattened oval seedpods