When natural scientists, examining the border areas of the Mediterranean, come across beech forest, they can conclude that they have reached the continental area. With regard to some of their basic characteristics, parts of the mountains of Učka and Ćićarija that belong to the beech forest zone could be classified as belonging to the continental areas of Istria and Kvarner. However, they still differ in regard to certain specific natural characteristics because Ćićarija, and especially Učka, represent isolated Mediterranean mountains whose beech forests stick out like islands above the sub-Mediterranean area. In other words, these mountains are not connected to the continental beech forest regions. This has resulted in Učka and Ćićarija having quite a unique status, making them particularly interesting from the naturalist point of view, and providing one of the reasons for proclaiming this area a nature park. Some barely accessible parts of Učka and Ćićarija still need to be researched in more detail. In recent years, some systematic research of the local flora has been initiated with the aim of updating and widening our knowledge about individual species and their distributions, and also with the aim of noticing any possible negative influences on their population over time.