Advances in the biogeographical and ecological knowledge of the genus Quercus (Fagaceae) in Michoacán, Mexico Författarna: Uribe-Salas, Dolores, España-Boquera, María Luisa, Torres Miranda, Andrés

Fungi catalogue from San Sebastián del Oeste, Jalisco, Mexico Författarna: Rodríguez Alcántar, Olivia, Figueroa García, Darío, Herrera-Fonseca, María de Jesús

“…The richest genera within the Basidiomycota are Amanita (23), Trametes (11), Ganoderma, Lactarius, Pluteus, Scleroderma and Stereum (6); in Ascomycota Helvella (5) and Xylaria (4).Conclusions: It is considered necessary to continue mycological explorations, mainly in those sites that have not yet been explored, which will allow to know a greater number of fungal species, and realize an analysis of the possible endemic species or those that are at risk, as well as document its current distribution in vegetation types present in San Sebastián del Oeste and western Mexico.…”

The genus Indigofera (Fabaceae) in the Yucatán Peninsula, Mexico: plants of dye value Författarna: Schikorr, Freya, Duno de Stefano, Rodrigo, Cetzal Ix, William

Diversity of shrubs along gradients of elevation and disturbance in central Veracruz, Mexico Författarna: Bautista-Bello, Alma P., López-Acosta, Juan Carlos, Castillo-Campos, Gonzalo, Gómez-Diaz, Jorge A., Krömer, Thorsten

“…The main objective of this study was to analyze the influence of elevation and disturbance on shrub richness and distribution patterns in the central region of Veracruz, Mexico.Methods: An elevational gradient (20-3500 m a.s.l.) was established along the eastern slopes of the Cofre de Perote, where floristic sampling was conducted at eight study sites within elevational belts of approximately 500 m each. …”

Flora and vegetation from the semiarid region of Acultzingo-Maltrata, Veracruz, Mexico Författarna: Rivera Hernández, Jaime Ernesto, Flores Hernández, Noé, Vargas Rueda, Abel Felipe, Alcántara Salinas, Graciela, Cházaro Basáñez, Miguel de Jesús, García Albarado, J. Cruz

Diversity of lycopods and ferns of the tropical subdeciduous forest of Hidalgo state, Mexico Författarna: Martínez-Cabrera, Dorismilda, Hernández-Hernández, Nubia Neydy, Isidro-Hernández, Benjamín, Hernández-Álvarez, Adriana Gisela, Sánchez-González, Arturo

“…Background and Aims: Floristic studies of ferns and lycopods in the tropical forests of Mexico are scarce. The objectives of the present study were to know the richness of both groups in the tropical subdeciduous forest (BTS) of the state of Hidalgo, and compare their composition and richness at the species level with that of other regions of the country with the same type of vegetation.Methods: Collection of plant specimens was carried out in 26 localities of six municipalities with BTS of Hidalgo state. …”

Melliferous flora of the central-eastern region of the municipality of Pátzcuaro, Michoacán, Mexico Författarna: Araujo-Mondragón, Fernando, Redonda-Martínez, Rosario

“…The objective of this work was to identify the honey plants that grow in the central-eastern region of the municipality of Pátzcuaro, Michoacán, Mexico.Methods: Field work was carried out in areas close to four reference apiaries, in a radius of one kilometer, using as a reference point each of the apiaries located in the central-eastern region of the municipality of Pátzcuaro. …”

Description of diatom species of the genus Actinoptychus from the coast of Oaxaca, Mexico Författarna: Woolrich-Arrioja, Alejandra, Aké-Castillo, José Antolín, Torres-Ariño, Alejandra

“…The aims of this work was to determine and describe the morphology of the species of the genus Actinoptychus, present the new records that occur in the coastal area of Oaxaca, Mexico, and review the distribution of the species of this genus recorded in the Mexican Pacific.Methods: Twenty-four samples from five localities were analyzed: Corralero and Chacahua coastal lagoons, and Cacalotepec, Punta Colorada and Bahía Grande neritic zones in Oaxaca. …”

Four new species of Agave (Asparagaceae, Agavoideae) from southern Mexico Författarna: García Mendoza, Abisaí Josué, Franco Martínez, Irma Sonia, Sandoval Gutiérrez, Daniel

“…In this work four new species for science are described, result of the exploration of little-known areas from a botanical point of view in the south of Mexico.Methods: As a result of field and herbarium work in the states of Guerrero, Oaxaca, and Puebla, populations of agaves were found whose morphological characteristics do not correspond to previously described species. …”

Structural changes of arboreal vegetation in a temperate forest of Durango, Mexico Författarna: Graciano Avila, Gabriel, Alanís Rodríguez, Eduardo, Aguirre Calderón, Oscar, González Tagle, Marco Aurelio, Treviño Garza, Eduardo, Mora Olivo, Arturo, Corral Rivas, Javier

“…The objective of this study was to compare the structure of tree species over a period of 10 years in a forest in Durango, Mexico. Methods: The data come from trees with DBH greater than or equal to 7.5 cm (at a height >1.3 m) located in permanent sites that were evaluated over a five-year interval (2007, 2012, 2017). …”

Graptopetalum sinaloensis (Crassulaceae), a new species from Sinaloa, Mexico Författarna: Vega Aviña, Rito, Delgado Vargas, Francisco, Pío León, Juan Fernando

“…Methods: In the municipality of Culiacán, Sinaloa, Mexico, a small population of plants of the genus Graptopetalum with dry inflorescences was found in June 2013, and some plants were collected and cultivated, they flowered in March. …”

Floristic inventory and vegetation of the crater of the Alberca de Teremendo, Michoacán, Mexico Författarna: Contreras León, Jesus, Silva Sáenz, Patricia

“…Background and Aims: The crater of the Alberca de Teremendo de los Reyes, Morelia municipality, is one of the three volcanic lakes that exist in Michoacán, Mexico. Currently, it only has research focused on the study of water quality and algae, but it lacks a floristic inventory. …”

A new species of Cochemiea (Cactaceae, Cacteae) from Sinaloa, Mexico Författarna: García Morales, Leccinum Jesús, González González, Rodrigo Homero, García Jiménez, Jesús, Iamonico, Duilio

“…Background and Aims: Cochemiea is a genus which currently comprises five species occurring in Mexico. It is morphologically characterized by cylindrical decumbent to prostrate stems and by a long red-scarlet zygomorphic perianth, presumably specialized for hummingbird pollination. …”

Distribution of wild host plants of Xylella fastidiosa subsp. fastidiosa in Mexico Författarna: Oliva Hurtado, María Margarita, Téliz-Ortiz, Daniel, Ortega-Arenas, Laura Delia, Quezada-Salinas, Andrés

“…The largest number of sites with species presence was recorded in the states of Mexico, Veracruz, and Sonora. The plants inhabit an altitudinal gradient of 0 to 4146 m a.s.l. and are concentrated in the physiographic province of the Trans-Mexican Volcanic Belt.Conclusions: In Mexico, there are conditions for the development of species of wild host plants of X. fastidiosa subsp. fastidiosa, especially in the area of ​​transition of the Trans-Mexican Volcanic Belt, in the State of Mexico, Mexico City, Durango, Michoacán and Veracruz.…”

Note on Tourrettia lappacea (Bignoniaceae), a new record for western Mexico Författarna: Cuevas-Guzmán, Ramón, M. Núñez-López, Nora, G. Morales-Arias, José

“…We register for the first time the presence of Tourrettia lappacea in western Mexico, expanding with more than 1300 km its known geographic distribution. …”

Germination, initial growth and morphology of Castilla elastica (Moraceae) in Tabasco, Mexico Författarna: Custodio-Rodríguez, José P., Vargas-Simón, Georgina, Contreras-Sánchez, Wilfrido M.

Anthropogenic perturbation effects on tropical-forest hammock ecosystems in Campeche, Mexico Författarna: Koyoc-Ramírez, Luz Gabriela, Mendoza-Vega, Jorge, Pérez Jiménez, Juan Carlos, Torrescano Valle, Nuria

“…Petenes (hammock ecosystems) are island-like natural spots of vegetation, unique worldwide, restricted to the Peninsula of Yucatan, Mexico, the Everglades in Florida, United States of America, and the Ciénaga de Zapata, Cuba. …”

Arbutus bicolor (Ericaceae, Arbuteae), a new species from Mexico Författarna: González-Elizondo, M. Socorro, González-Elizondo, Martha, Sørensen, Paul D.

“…Arbutus bicolor is widely distributed in the Sierra Madre Occidental and the Transvolcanic Belt and reaches the western slopes of the Sierra Madre Oriental in central Mexico. Sporadic hybridization occurs with A. madrensis S. …”

Echeandia cholulensis (Asparagaceae), a new species from central Mexico Författarna: Rodríguez, Aarón, Ortiz Brunel, Juan Pablo

“…The group is exclusive of the Americas and includes 85 species. In Mexico, there are 74 species, of which 63 are endemic; however, the species richness is concentrated in the Mexican Transition Zone, including the Transmexican Volcanic Belt (TMVB). …”

A synopsis of Braunia (Hedwigiaceae, Bryopsida) in Mexico, with the lectotypification of Braunia andrieuxii Författarna: de Luna, Efraín

“…Background and Aims: Four species of Braunia are known in Mexico: Braunia andrieuxii, B. secunda, B. squarrulosa and B. plicata. …”