• 1 Animals
• 1 Classification
• 1 Research
• 1 Società botanica italiana
• 1 Zoology

• 1 American Society of Plant Biologists
• 1 Institut royal des sciences naturelles de Belgique
• 1 Jardin botanique national de Belgique
• 1 Musée royal de l'Afrique centrale
• 1 Muséum national d'histoire naturelle (France)
• 1 Natural History Museum (London, England)
• 1 PENSOFT Publishers
• 1 Society for Experimental Biology (Great Britain)
• 1 Società botanica italiana
• 1 Statens naturhistoriske museum (Denmark)

• 3 English

• 1 Italy

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