A new species, Hypoxis colliculata from Oaxaca and Chiapas, México is presented here. It belongs to the group with black seeds and is separated from the other species by the colliculate sculpturing of the seeds.

Two orchid species, both previously known from Central America, are reported for the Mexican flora: Oncidium poikilostalix and Telipogon helleri. The former species was previsouly known under the name Sigmatostalix poikilostalix, and the latter as Stellilabium helleri. The rediscovery of…

Two species of Orchidaceae are recorded here for the first time in Mexico, namely Cryptarrhena guatemalensis and Domingoa gemma. Cryptarrhena guatemalensis is widespread in the Neotropics and can be distinguished from C. lunata, the only other species of the genus,…

Prediction of prone areas for mass movement processes (MMP) is one of the major challenges in mountainous areas. This is the case of the Motozintla basin that is located along the Motagua-Polochic fault system in the Chiapas State southeastern Mexico.…

The primary lowland rainforest around the Mayan ruins of Palenque, in the state of Chiapas, Mexico, has been the focus of much study. The second growth and the mosaic of pasture and farmland surrounding the protected area of Palenque National…

We assessed the availability of both pioneer and non-native species in the soil seed bank of old-growth forest and recently abandoned pasture, to evaluate whether the soil seed bank in these pastures represents a source of regeneration of species from…