Greece is a country with dramatic geological relief which makes it one of the richest in biodiversity and habitat types countries in Europe. So far over 100 fungal species with below ground fruitbodies have been discovered in Greece, among them 13 new species for Science, confirming high diversity also in fungi. As we have just began to explore fungi with subterranean fruiting bodies, we are confident that many new species will be recorded in Greece in the near future. The protection of forest ecosystems is vital for hypogeous fungi, such as valuable truffles’ conservation.