The Regional Catalog of Plant Species and Varieties of West Africa and the Sahel (CREVAOS) is the official document that contains the list of all plant varieties. vegetable tees approved in the member states of the ECOWAS - UEMOA - CILSS space.

CREVAOS facilitates access to new plant varieties created and thus promotes the marketing of seeds in the ECOWAS-UEMOA-CILSS regional area.

The beneficiaries are farmers, researchers, the private sector; and public, NGOs and IGOs, decision-makers and technical and financial partners.