Biochemical characterizations of leaves and fruits in Crataegus monogyna Jacq., C. pontica K.Koch, C. microphylla K.Koch, and C. pentagyna Waldst. & Kit. ex Willd - Sama Koliaei; Javad Erfani-Moghadam; Mehdi Saidi; Ali Khadivi; Yazgan Tunç (PLoS ONE, 2026)