| Table of contents Bot. sci vol.97 n.1 México Jan./Apr. 2019 Editorial | | | | · Editorial, 75th anniversary Arias, Salvador
| | | Ecology | | | | · Seed germination and population structure of two endangered tree species: Magnolia perezfarrerae and Magnolia sharpii Vásquez-Morales, Suria Gisela; Ramírez-Marcial, Neptalí
| | | | · Vegetation heterogeneity of black alder forests in and around El-Kala Biosphere Reserve, northeastern Algeria Necer, Abdeldjabar; Tadjine, Aicha; Belouahem-Abed, Djamila; Saoudi, Messaoud
| | | | · Variation in the abundance of timber trees by edge effect in a tropical subdeciduous forest Vargas-Vázquez, Víctor Abraham; Venegas-Barrera, Crystian Sadiel; Mora-Olivo, Arturo; Martínez-Ávalos, José Guadalupe; Alanís-Rodríguez, Eduardo; Rosa-Manzano, Edilia de la
| | | | · Comparative analysis of fundo legal vegetation and mature vegetation in the town of Yaxcaba, Yucatan, Mexico Rodríguez-Sánchez, Perla Victoria; Levy Tacher, Samuel Israel; Ramírez-Marcial, Neptalí; Estrada-Lugo, Erin
| | | | · Morphological differences of Turnera diffusa (Turneraceae) in two populations differing in rainfall at Northeastern Mexico Urbizu-González, Ana Lucía; Flores, Joel; Rosa-Manzano, Edilia de la; Castillo-Ruíz, Octelina
| | | | · Effect of seed provenance on seed traits of Cakile edentula (Brassicaceae), a coastal dune stabilizing species Álvarez-Espino, Ricardo; Mendoza-González, Gabriela; Pérez-Martin, Candelaria; Chiappa-Carrara, Xavier
| | | | · Store carbon in aboveground biomass of experimental plantations with species of early successional cloud forest Avendaño-Yáñez, María de la Luz; Sánchez-Velásquez, Lázaro Rafael; Martínez-Ramírez, Daniela; Perroni, Yareni; Ibarra-Zavaleta, Sara Patricia; Alarcón, Enrique; Pineda-López, María del Rosario
| | | Phytochemistry | | | | · The biosynthesis of pharmacologically active compounds in Calophyllum brasiliense seedlings is influenced by calcium and potassium under hydroponic conditions Castillo-Arellano, Jorge Ivan; Osuna-Fernández, Helia Reyna; Mumbru-Massip, Marius; Gómez-Cancino, Rocío; Reyes-Chilpa, Ricardo
| | | Structural botany | | | | · The structure of nectaries in the genus Strombocactus (Cactaceae) Camacho-Velázquez, Aldebaran; Arias, Salvador; Márquez-Guzmán, Judith; Vázquez-Santana, Sonia
| | | Taxonomy and floristics | | | | · Updated inventory of the Mexican species of Campanulaceae Rzedowski, Jerzy
| | | Notas de opinión | | | | · Scientific value of plants new species description Hernández-Sandoval, Luis
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