Hibridación natural entre Pinus oocarpa y P. pringeli Authors: López Upton, Javier, Velazco Fiscal, Valentín, Jasso Mata, Jesús, Ramírez Herrera, Carlos, Vargas Hernández, J. Jesús

The species of Bursera (Burseraceae) in the upper Rio Papaloapan Depression (Mexico) Authors: Rzedowski, Jerzy, Medina Lemus, Rosalinda, Calderón de Rzedowski, Graciela

Crossidium geheebii (Pottiaceae, Bryophyta), a new record for the American continent Authors: Cottet, Agustina C., Messuti, María I.

Neobuxbaumia tetetzo size and length of its apical spines in a light gradient under Mimosa luisana, a nurse shrub Authors: Bravo-Mendoza, Mariana, Espinosa-Cantú, Adriana, Castellanos-Vargas, Iván, Cano-Santana, Zenón

Segunda restauración de Bursera ovalifolia y nombre nuevo para otro componente del complejo de B. simaruba (Burseraceae) Authors: Rzedowski, Jerzy, Medina Lemos, Rosalinda, Calderón de Rzedowski, Graciela

Bromeliad flora of Oaxaca, Mexico: Richness and distribution Authors: Espejo-Serna, Adolfo, López-Ferrari, Ana Rosa, Martínez-Correa, Nancy, Pulido-Esparza, Valeria Angélica

Palynological study of the urban flora of Chihuahua City, Mexico Authors: Campos-Trujillo, Alfredo, Aguirre-Prieto, Anabel, Rodríguez-Villa, Marco Antonio, Muñoz-Romero, Giovanni, Quintana-Martínez, Gustavo

Medicinal plants used for respiratory illnesses in Loma Alta, Nevado de Toluca, Mexico Authors: Sotero-García, Alma I., Gheno-Heredia, Yaqueline Antonia, Martínez-Campos, Ángel Roberto, Arteaga-Reyes, Tizbe T.

Diversity of Lamiaceae in the state of Michoacán, Mexico Authors: Lara-Cabrera, Sabina I., Bedolla-García, Brenda Y., Zamudio, Sergio, Domínguez-Vázquez, Gabriela

Floristics and diversity of the Lerma river wetlands in the State of Mexico Authors: Zepeda-Gómez, Carmen, Lot-Helgueras, Antonio, Antonio Nemiga, Xanat, Madrigal-Uribe, Delfino

Diversity and morphology of the species of Pseudo-nitzschia (Bacillariophyta) of the national park Sistema Arrecifal Veracruzano, SW Gulf of Mexico Authors: Parsons, Michael L., Okolodkov, Yuri B., Aké-Castillo, José A.

Useful and relevant wild plants identified in the Mixteca Poblana, Mexico Authors: Martínez-Pérez, Aniceto, Antonio López, Pedro, Gil-Muñoz, Abel, Cuevas-Sánchez, Jesús Axayácatl

Caracteres anatómicos y fitoquímicos del tallo y raíz de Mammillaria uncinata (Cactaceae) Authors: Loza-Cornejo, Sofía, Aparicio-Fernández, Xochitl, Patakfalvi, Rita Judit, Rosas-Saito, Greta Hanako

Diversity of subfamilies Grewioideae y Tilioideae (Malvaceae) in the state of Guerrero, Mexico Authors: Gual Díaz, Martha, Diego Pérez, Nelly

Morphological quality of fruits and endocarps of red nanche (Malpighia mexicana, Malpighiaceae) Authors: Maldonado Peralta, María de los Ángeles, García de los Santos, Gabino, García Nava, José Rodolfo, Corona Torres, Tarsicio, Cetina Alcalá, Víctor Manuel, Ramírez Herrera, Carlos

Germination and sporophyte frequency of two sympatric species of Blechnum (Blechnaceae) Authors: López-Romero, Juan Manuel, Riaño, Karolina, Briones, Oscar

Odontadenia macrantha (Apocynaceae; Apocynoideae): distribution and new records in Mexico Authors: Alvarado-Cárdenas, Leonardo O.

Genetic relationships based on ISTR markers among wild, domesticated and intermediate forms of climbing bean from Jalisco, Mexico Authors: Castellanos-Hernández, Osvaldo A., Lepiz-Ildefonso, Rogelio, Castellanos-Enríquez, Guillermo Eduardo, Rodríguez-Sahagún, Araceli, Torres-Morán, Martha Isabel

New records of marine green algae (Ulvophyceae) from Tabasco, Mexico Authors: Quiroz-González, Nataly, León-Álvarez, Daniel, Rivas-Acuña, Ma. Guadalupe

Leaf trichomes in Senecio section Mulgediifolii (Senecioneae, Asteraceae) Authors: Rojas-Leal, Alicia, Villaseñor, José Luis, Terrazas, Teresa