Consejo Superior de Investigaciones Científicas
Universidad Rey Juan Carlos
Universidad de Almería
Universidade de Coimbra
Università degli Studi Mediterranea di Reggio Calabria
Open University of Cyprus
Ankara University
Tarbiat Modares University
Ferdowsi University of Mashhad
University of Tehran
Universidad Nacional Autónoma de México
John Carroll University
Oberlin College and Conservatory
The Regents of New Mexico State University
Universidad Nacional de La Pampa
Universidad de Concepción
Northern Territory Herbarium, Alice Springs
Department of Forests
