This information system is constantly expanded and improved.
By August 2010 it provides access to 106 plant families including
Compositae (Asteraceae, sunflower family),
Rosaceae (rose family),
Campanulaceae (bellflower family), and all Monocots.
Greuter, W. (2006-2009): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.