Adoption of the ecosystem services concept in EU policies.

Bouwma, I., Schleyer, C., Primmer, E., Winkler, K. J., Berry, P., Young, J., Carmen, E., Špulerová, J., Bezák, P., Preda, E., Vadineanu, A., (2018). Ecosystem Services 29(Part B), 213-222. Elsevier B.V., Amsterdam, Netherlands. English language

Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana).

Funk, V., Hollowell, T., Berry, P., Kelloff, C., Alexander, S. N., (2007). Contributions from the United States National Herbarium 55, 584 pp. Department of Systematic Biology - Botany, National Museum of Natural History, Smithsonian Institution, Washington, USA. English language