Study of fruits and seeds of Ipomoea teotitlanica McPherson (Convolvulaceae) Údair: Murguia Sanchez, Guillermina, Marquez Guzman, Judith, Laguna Hernandez, Guillermo, Ponce Salazar, Margarita

Comparative anatomy and histochemistry between the wood of medicinal market samples of guayacan and that of Guaiacum coulteri A. Gray Údair: Centeno-Betanzos, Lucía Yoscelina, Brechú-Franco, Alicia Enriqueta, Osuna-Fernández, Helia Reyna, Laguna-Hernández, Guillermo, León-Gómez, Calixto