Habitats of 14 protected in the Komi Republic lichens were found in mountain tundra of the «Yugyd va» national park. One species Lichenomphalia hudsoniana (H.S. Jenn.) Redhead et al. is included in the Red Data Book of Russia. Two species require special biomonitoring. Four rare lichens (Arctocetraria andrejevii, Peltigera elisabethea, Pilophorus robustus, Stereocaulon symphycheilum) were found in the national park for the first time. The article contains annotated list of the lichen species. For each of them, geographical distribution in the national park and characteristics of the habitats are given as well as abundance.