Una nueva especie de Bursera (Burseraceae), endémica de la cuenca baja del río balsas en los estados de Michoacán y Guerrero, México Tekijät: Guevara-Féfer, Fernando

A new species of Perymenium (Compositae-Heliantheae) from the State of Mexico (Mexico) Tekijät: Rzedowski, Jerzy, Calderón de Rzedowski, Graciela

Adiciones al conocimiento de la diversidad de los hongos anamorfos del bosque mesófilo de montaña del estado de Veracruz III Tekijät: Arias, Rosa María, Heredia, Gabriela, Mena-Portales, Julio

Pitcairnia yocupitziae (Bromeliaceae; Pitcairnioideae), a remarkable new species from Guerrero, Mexico Tekijät: Espejo-Serna, Adolfo, López-Ferrari, Ana Rosa

Taxonomic review of the Agave potatorum Zucc. (Agavaceae) complex: new taxa and neotypification Tekijät: García-Mendoza, Abisaí Josué

Calceolaria dichotoma subsp. colimana (Calceolariaceae), a new subspecies from western Mexico Tekijät: Padilla-Velarde, Eloy, Cuevas-Guzmán, Ramón

Blazingstar plants (Mentzelia hispida: Loasaceae), a bat-trapping plant. Tekijät: Rojas-Martínez, Alberto, Noguera-Cobos, Olivia, Castillo-Cerón, Jesús Martín

Continental biodiversity of South American oligochaetes: The importance of inventories. Tekijät: Lindsey Christoffersen, Martin

Earthworms as soil quality indicators: local and scientific knowledge in rice management systems. Tekijät: Rodrigues de Lima, Ana Cláudia, Brussaard, Lijbert

Habitat selection by earthworms: the effect of soil cover and type. Tekijät: Beatriz Falco, Liliana, Momo, Fernando

Earthworms, ants and other arthropods as soil health indicators in traditional and no-fire agro-ecosystems from Eastern Brazilian Amazonia Tekijät: Xavier Rousseau, Guillaume, Dos Santos Silva, Paulo Rogério, Reis de Carvalho, Cláudio José

Life cycles of vermicomposting earthworms. Tekijät: Domínguez, Jorge, Gómez-Brandón, María

Influence of vermicompost on plant growth. Contributions toward the development of an objective concept. Tekijät: Domínguez, Jorge, Lazcano, Cristina, Gómez-Brandón, María

Seasonal variation in the phenolic content of oak leaves (Quercus sideroxyla) in different soil textures Tekijät: Arámbula-Salazar, Jorge Armando, Ibarra-Salinas, B. I., González-Laredo, Rubén Francisco, Muñoz-Galindo, O. D., Hernández-Vela, H.

Evaluation of drying schedules for chalamite wood (Pinus pseudostrobus) Tekijät: Aquino-González, Laura V., Rodríguez-Ramírez, Juan, Méndez-Lagunas, Lilia L., Sandoval-Torres, Sadoth

Report of a wild population of Sedum morganianum E. Walther (Crassulaceae) Tekijät: Jimeno-Sevilla, H. David, Cházaro-Basáñez, Miguel, Albalat-Botana, Amparo

Euphorbia spellenbergiana (Euphorbiaceae), a new species from Mexico Tekijät: Mayfield, Mark H., Steinmann, Victor W.

The arrival of Barn Swallows (Hirundo rustica) to a neotropical city is related to precipitation in wintering areas Tekijät: ROBERTO CARLOS SAYAGO LORENZANA, Ian MacGregor_Fors

“…Thus, in a global change scenario, the arrival date of Barn Swallows could change in the future in response to altered precipitation patterns. Accepted 6 January 2010.…”

The larva of Apanisagrion lais (Brauer in Selys) (Zygoptera: Coenagrionidae) Tekijät: Rodolfo Novelo-Gutiérrez

Red worm establishment on greenhouse-grown agave plants. Tekijät: Llanderal-Cázares, Celina, De los Santos-Posadas, Héctor M., Almanza-Valenzuela, Iván, Nieto-Hernández, Ramón, Castillejos Cruz, Carlos