The Proceedings of Cycad 2015 is now available as an open-access book. Please see the Cycad Specialist Group website to view or download a copy. This volume provides a record of the important findings of the 10th international Cycad Conference in Colombia, and includes the Medellín Cycad Declaration, 6 chapters based on work presented at the conference, and an updated World List of Cycads:

DECLARACIÓN DE LOS PARTICIPANTES DE “CYCAD 2015” X CONFERENCIA INTERNACIONAL DE BIOLOGÍA DE CYDADAS 16-21 de Agosto, Medellín (COLOMBIA)

Cycads, Maize, and Garfish: Ethnoecological Systems in Formative Period Mesoamerican Art.

New roads in, Zamia species out: the case for Isthmian Cycads.

Chromosome architecture drives cycad evolution.

Cycad anatomy: Old techniques solving new problems.

Eumaeus godartii butterfly: Pest friend or foe?

Taxonomic status of the Cycas pectinata complex.

The World List of Cycads.

A limited number of hardcover editions are available through the support of Montgomery Botanical Center. Details will be forthcoming.