Echeandia cholulensis (Asparagaceae), a new species from central Mexico Údair: Rodríguez, Aarón, Ortiz Brunel, Juan Pablo

Another new species of the genus Dahlia (Asteraceae, Coreopsideae): are we close to knowing its total diversity? Údair: Reyes-Santiago, Jerónimo, Ortiz-Brunel, Juan Pablo, Lichter-Marck, Isaac H., Castro-Castro, Arturo

First record of Sclerocactus papyracanthus (Cactaceae) in Mexico Údair: Ortiz-Brunel, Juan Pablo, Delladdio, Aldo, Raya-Sánchez, Ricardo Daniel, Pérez-Badillo, Cristian, Zurita-Suárez, Iván, Flores, Joel