A new species of Gentiana (Gentianaceae) for western Mexico Authors: Villarreal Q., Jose A.

New taxa, nomenclature, redefinition and distribution of species related to Polypodium colpodes Kunze (Polipodiaceae, Pteridophyta) Authors: Tejero-Díez, J. Daniel, Pacheco, Leticia

The genus Sicydium (Cucurbitaceae, Zanonioideae, Zanonieae, Sicydiinae) in Mexico Authors: Lira, Rafael

A new species of Ilex L. (Aquifoliaceae) from the northestern part of the State of Queretaro, Mexico Authors: Carranza González, Eleazar

Two new species of Pinguicula (Lentibulariaceae) from the Sierra Madre Oriental, Mexico Authors: Zamudio, Sergio

Comparative analysis of sexual phase of two species of Microgramma (Polypodiaceae, Pleopeltoideae) Authors: Mendoza-Ruiz, Aniceto, Pérez-García, Blanca

Wave effect and shyness phenomenon in homogeneous forests of Alnus acuminata Authors: Aguilar-Luna, Jesús Mao Estanislao, Cabrera-Barbecho, Noé, Barrios-Díaz, Benjamín, Loeza-Corte, Juan Manuel

Graciela Calderón Díaz Barriga (1931-2022) Authors: Murillo Guizar, Rosa Elena

Book review "Flora Mesoamericana Volumen 2, Parte 2, Piperaceae" Authors: Samain, Marie-Stéphanie

Jerzy Rzedowski Rotter (1926-2023) Authors: Medina Lemos, Rosalinda, Grether, Rosaura

A new species of Otatea (Poaceae: Bambusoideae: Bambuseae) from Querétaro, México Authors: Eduardo Ruiz-Sánchez

Una especie nueva de Perymenium (Compositae-Heliantheae) del Estado de México (México) Authors: Jerzy Rzedowski Rotter, Graciela Calderón Díaz Barriga

Hongos de Zoncuantla, Veracruz I. Nuevos registros para Veracruz y Mexico Authors: Florencia Judith Ramírez Guillén, GASTON GUZMAN HUERTA

Gymnopilus tuxtlensis (Basidiomycetes, Agaricales), tropical species known from Mexico and South America Authors: Guzmán-Dávalos, Laura, de Jesús Herrera, María, Cardona, Beatriz E., Saldarriaga, Yamillé

Aspectos florísticos de Lacanhá Chansayab, Selva Lacandona, Chiapas Authors: Levy Tacher, Samuel I., Aguirre Rivera, J. Rogelio, García Perez, José D., Martínez Romero, María Magdalena

Meliosma mexicana (Sabiaceae), a new species from the Sierra Madre Oriental of Mexico Authors: W. Steinmann, Victor

Cypringlea (Cyperaceae) revisited, a new combination and status Authors: Reznicek, Anton A., González Elizondo, M. Socorro

Nota sobre Portulaca californica Legrand (Portulacaceae), una especie endémica poco conocida de Baja California Sur, México* Authors: Columbus, J. Travis

A new species of Romanschulzia (Brassicaceae) from the state of Guerrero, Mexico Authors: Bustamante, Rubí, Fonseca, Rosa María

Review of the genus Mimophytum Greenm. (Boraginaceae) Authors: Pérez-Calix, Emmanuel, Patiño-Siciliano, Alfredo