]> Botany (CR) (MO) Hammel, Barry E., Gómez, C. & Chacon, Isidro A. Hammel, Barry E., Gómez, C. & Chacon, Isidro A. B. E. Hammel, C. Gómez & I. A. Chacón Hammel, B. E., Gómez, C. & Chacón, I. A.