This document discusses identification and diagnosis services for olive varieties and nursery plants. It provides identification of olive varieties through analysis of verification samples to determine varietal authenticity. It also discusses diagnosis of pathogens like Pseudomonas savastanoi pv. savastanoi and Verticillium dahliae in nursery plants, which is required by Spanish legislation for certified plants. The website www.idolive.es/en offers identification of olive varieties and diagnosis of pathogens in nursery plants to correctly identify varieties and ensure plants are healthy and pathogen-free.