Indices Nominum Supragenericorum Plantarum Vascularium Project
The Indices Nominum Supragenericorum Plantarum Vascularium Project is supported by the International Association for Plant Taxonomy and the Norton-Brown Herbarium of the University of Maryland. The data are preliminary. These database are being constantly changed so that any name listed is only the earliest valid and legitimate name found as of 22 March 1996.
Plant Species Checklist from Costa Rica
The species mentioned in these lists are found in the tropical montane oak forest zone, between 2000 and 3400 m altitude, in the Cordillera de Talamanca, Costa Rica.
Species 2000
Indexing the world's known species Species 2000 has the objective of enumerating all known species of plants, animals, fungi and microbes on Earth as the baseline dataset for studies of global biodiversity.
ÖSI Öko-Service-Institut
Das Öko-Service-Institut bietet Arikel für Entomologie und Ökologie, sowie Literatur für dieses Themen und fertigt Gutachten und Kartierungen an. Außerdem können Forschungen in Auftrag gegeben werden. Weiterhin besteht die Möglichkeit Naturfotografie in Auftrag zu geben.