This paper presents a study of two Stereocaulon species from Poland – S. saxatile and S. subcoralloides. Both taxa are recorded for the first time for the country. S. subcoralloides is also new to the Carpathians. Lectotypification of S. subcoralloides is proposed basing on the results of U. Laine. Short characteristics of the taxa are given as well as notes on their taxonomy, chemistry, habitat requirements and distribution.