In the soils of non-forest biotopes of the Tatra National Park, derived from acid parent materials, in very cool and moderately cold climatic zones, horizons that meet the criteria adopted for the diagnostic horizon umbric occur very often. The paper compares the taxonomic position of soil in non-forest biotopes of the Tatra National Park with the umbric horizon according to World Reference Base for Soil Resources from 2015 (WRB) and the sixth edition of the Polish Soil Classification from 2019 (SGP). In SGP, the supremacy of the umbrik horizon in the key for determining soil units and a thickness criterion other than in WRB for this horizon (≥ 30 cm) were assumed. The consequence of this is the participation of various types and subtypes of the studied soils, defined according to SGP, in the groups of soils belonging, according to WRB, to: Umbric Leptosols, Umbric Podzols and Umbrisols. In the Leptosols group there are: typical rankers and humic rankers, in the Podzols group: podzolic umbrisols and humic latent podzolic soils, and in the Umbrisols group: umbrisols and humic regosols. It was proposed to introduce umbrisols as a type in the order of black soils to the soil classification in Poland. Currently, in SGP, umbrisols are one of the subtypes of gray soils, belonging to black soils. It was also suggested that the subtype of humus rankers should include rankers in which the total thickness of the Oh (not meeting the thickness criterion of folik) and A horizons is 20 cm or more.