A nomenclatural revision of Quercus acutifolia, Q. conspersa and Q. grahamii (Lobatae, Fagaceae)
The glandulous Specklinia: morphological convergence versus phylogenetic divergence
A taxonomic synopsis of the Mexican species of Acianthera (Orchidaceae: Pleurothallidinae) including a new species
Marsdenia microcarpa, a new species of Marsdenia (Apocynaceae, Asclepiadoideae) from montane Guerrero, Mexico
Coccoloba floresii (Polygonaceae), a new species from Chiapas (Mexico)
Peperomia (Piperaceae) novelties from Veracruz State, Mexico
The Genus Anthoceros (Anthocerotaceae, Anthocerotophyta) in Central Mexico