Bromeliad Flora of Chiapas State, Mexico: Richness and Distribution

Nomenclatural remarks on Magnolia sect. Macrophylla (Magnoliaceae), with description of a new species from North America (Tamaulipas, Mexico)

Dichanthelium multiglandulosum (Paniceae, Panicoideae, Poaceae) a new species from Jalisco, Mexico and the reestablishment of Panicum transiens as Dichanthelium transiens

Pinguicula pygmaea (Lentibulariaceae), a new annual gypsicolous species from Oaxaca State, Mexico

Habenaria yookuaaensis (Orchidaceae: Orchidioideae), a new species from Oaxaca, Mexico

A new species of Amaranthus (Amaranthaceae) from Mexico

A new species of Astragalus (Fabaceae, Faboideae) from Durango, Mexico

Aristolochia albopilosa (Aristolochiaceae), a new name for Aristolochia cordata Eastw.

Beaucarnea olsonii (Ruscaceae), a new species of ponytail palm from southwestern Puebla, Mexico

Molecular and Morphological Diversity of Lithothamnion spp. (Hapalidiales, Rhodophyta) from Deepwater Rhodolith Beds in the Northwestern Gulf of Mexico