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.

Winter, Klaus, Garcia, Milton, and Holtum, Joseph A.M. (2014) Nocturnal versus diurnal CO2 uptake: how flexible is Agave angustifolia? Journal of Experimental Botany, 65 (13). pp. 3695-3703.

Winter, Klaus, Garcia, Milton, and Holtum, Joseph A.M. (2011) Drought-stress-induced up-regulation of CAM in seedlings of a tropical cactus, Opuntia elatior, operating predominantly in the C3 mode. Journal of Experimental Botany, 62 (11). 4037-4042 .

Winter, Klaus, Garcia, Milton, and Holtum, Joseph A.M. (2009) Canopy CO2 exchange of two neotropical tree species exhibiting constitutive and facultative CAM photosynthesis, Clusia rosea and Clusia cylindrica. Journal of Experimental Botany, 60 (11). pp. 3167-3177.