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The protected vascular plants in Poland – degree of endangerment and areas of their common occurrence. Fragmenta Floristica et Geobotanica Polonica 7: 145–157. Kraków. PL ISSN 1640–629X. ABSTRACT: Against the cartogramme maps for species protected in Poland the territories of their common occurrence in Poland was conducted. Also the degree of their endangerment was analysed. Designation the affiliation to the geographical elements, the altitudinal groups and to the syntaxonomical units permit for recognizing the degree of diversification under the mentioned criteria. Some proposals about small changes to the list of protected species has been made.