Record of Morchella tridentina in an Abies religiosa forest in Mexico and in vitro culture of its mycelium with obtaining sclerotia Auteurs: Ortega-Vargas, Claudia Ivette, Santos-Hernández, Antonio Fidel, Carrasco-Hernández, Violeta, Rodríguez-Trejo, Dante Arturo, Máxima Borja de la Rosa, Ma. Amparo, García Díaz, Silvia Edith