Agave montiumsancticaroli is described and illustrated as a new species from the Sierra de San Carlos Region, Tamaulipas, Mexico. The new species belongs to the Marginatae group, and is similar to Agave glomeruliflora (Engelm.) A. Berger., Se describe e ilustra…

Dalea schiblii Medina & M. Sousa (Fabaceae, Amorpheae), a new arborescent species from Pinus L.–Quercus L. forest in the state of Oaxaca, Mexico, is described and illustrated. Its morphological characteristics are discussed and compared to those of other Mexican species…

A new species, Habranthus medinae L. O. Alvarado & GarcíaMendoza (Amaryllidaceae, Hippeastreae), from the state of Puebla, Mexico, is described. The new species is similar to H. tubispathus (L'Héritier) Traub, but can be distinguished by the larger size of the…

Marsdenia magallanesiana JuárezJaimes, a new species from the state of Jalisco, Mexico, is described and illustrated here; it is compared with M. edulis S. Watson and M. callosa Juárez-Jaimes & W. D. Stevens, which are the morphologically most similar species…

Two new species of the spider genus Ochyrocera Simon 1891 are described from Mexico. Ochyrocera juquila new species was collected under moist rotten logs and hollow trunks on a thick bed of pine needles in oakpine forests located in a…

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