Winter, Klaus, Virgo, Aurelio, Garcia, Milton, Aranda, Jorge, and Holtum, Joseph A. M. (2021) Constitutive and facultative crassulacean acid metabolism (CAM) in Cuban oregano, Coleus amboinicus (Lamiaceae). Functional Plant Biology, 48 (7). pp. 647-654.

Winter, Klaus, Garcia, Milton, Virgo, Aurelio, and Holtum, Joseph A.M. (2020) Does the C4 plant Trianthema portulacastrum (Aizoaceae) exhibit weakly expressed crassulacean acid metabolism (CAM)? Functional Plant Biology, 48 (7). pp. 655-665.

Krause, G. Heinrich, Cheesman, Alexander W., Winter, Klaus, Krause, Barbara, and Virgo, Aurelio (2013) Thermal tolerance, net CO2 exchange and growth of a tropical tree species, Ficus insipida, cultivated at elevated daytime and nighttime temperatures. Journal of Plant Physiology, 170 (9). pp. 822-827.

Cernusak, Lucas A., Winter, Klaus, Aranda, Jorge, Virgo, Aurelio, and Garcia, Milton (2009) Transpiration efficiency over an annual cycle, leaf gas exchange and wood carbon isotope ratio of three tropical tree species. Tree Physiology, 29 (9). pp. 1153-1161.

Holtum, Joseph A.M., Aranda, Jorge, Virgo, Aurelio, Gehrig, Hans H., and Winter, Klaus (2004) δ13C values and crassulacean acid metabolism in Clusia species from Panama. Trees, 18 (6). pp. 658-668.