The present invention relates to Clem2, the first active LTR retrotransposon identified in the coffee plant, and its use in the clonal and/or varietal identification of coffee plants. The invention provides PCR primers, kits comprising such PCR primers, and methods using such kits and/or PCR primers for the clonal and/or varietal identification of several coffee species. The primers, kits and methods are particularly useful for coffee certification and traceability.
