Nissolia ruddiae (Leguminosae, Papilionoideae) a new species from the Balsas river basin, Mexico Autors: Cruz Durán, Ramiro, Sousa, Mario

The genus Ormosia Jacks. (Leguminosae, Papilionoideae) in the State of Guerrero, Mexico Autors: Cruz-Durán, Ramiro, Jiménez-Ramírez, Jaime

Additions to the Connaraceae of the state of Guerrero, Mexico Autors: Jiménez-Ramírez, Jaime, Cruz-Durán, Ramiro

Anormalidad floral en Phytolacca icosandra L. (Phytolaccaceae) en el Pedregal de San Ángel, México, D.F. Autors: Cruz Durán, Ramiro, Alcántara Ayala, Othón

Una especie nueva de Bursera (Burseraceae) del estado de Guerrero, México Autors: Jiménez Ramírez, Jaime, Cruz Durán, Ramiro

Pisonia donnellsmithii (Nyctaginaceae), addition to the Flora of Guerrero, Mexico Autors: González-Martínez, César Adrián, Cruz Durán, Ramiro

Recchia sessiliflora (Surianaceae Arn.), a new species from the Balsas Depression in the state of Guerrero, Mexico Autors: González-Murillo, Andrés, Cruz Durán, Ramiro, Jiménez Ramírez, Jaime

Note on the presence of Phytolacca rugosa (Phytolaccaceae) in the flora of the Valley of Mexico Autors: Cruz Durán, Ramiro, Jiménez Ramírez, Jaime, García Granados, Ma. Elena