Nota sobre la distribución geográfica y morfología de Manfreda involuta (Agavaceae) Authors: Rodríguez, Aarón, Carrillo-Reyes, Pablo, Castro-Castro, Arturo

Note on the rediscovery of Tigridia hintonii (Tigridieae: Iridaceae) in the state of Guerrero, Mexico Authors: Munguía-Lino, Guadalupe, Castro-Castro, Arturo, Rodríguez, Aarón

Gonolobus gonzaleziarum (Apocynaceae), a new species from the Tropical Madrean ecoregion in the Sierra Madre Occidental, Mexico Authors: Pío-León, Juan F., Castro-Castro, Arturo, Alvarado-Cárdenas, Leonardo O.

Variación morfológica del género Prochnyanthes (Agavaceae) Authors: Castro-Castro, Arturo, Rodríguez, Aarón, Vargas-Amado, Georgina, Ramírez-Delgadillo, Raymundo

Another new species of the genus Dahlia (Asteraceae, Coreopsideae): are we close to knowing its total diversity? Authors: Reyes-Santiago, Jerónimo, Ortiz-Brunel, Juan Pablo, Lichter-Marck, Isaac H., Castro-Castro, Arturo

Species richness, geographic distribution and conservation status of the genus Dahlia (Asteraceae) in Mexico Authors: Carrasco-Ortiz, Marco, Lino, Guadalupe Munguía, Castro-Castro, Arturo, Vargas-Amado, Georgina, Harker, Mollie, Rodríguez, Aarón

Dahlia merckii and D. rupicola (Asteraceae, Coreopsideae), two new records for the Nueva Galicia region, Mexico Authors: Macías Flores, Rafael Guadalupe, Ramírez Díaz, Claudia Janeth, González Gallegos, Jesús Guadalupe, Carrillo Reyes, Pablo, Castro Castro, Arturo

Chromosomic numbers for three species of Cosmos section Discopoda (Asteraceae, Coreopsideae), with cytogeographic notes Authors: Castro-Castro, Arturo, Vargas-Amado, Georgina, Castañeda-Nava, José Juvencio, Harker, Mollie, Munguía-Lino, Guadalupe, Santacruz-Ruvalcaba, Fernando, Rodríguez, Aarón