Lenzites warnieri populates a large area of the Palaearctic, but is not distributed locally. Early finds were at times not confirmed in later years. Most recent recorded occurrences are in the temperate to sub-mediterranean climatic zones. Because the host spectrum of L. warnieri is broad, its habitat is not determined by the appearance of host plants, but by climatic conditions. Their primary habitat is the southern Central and Northern Europe. They have been rarely found on the 48th latitude, such as on the Upper Rhine Plain. The northern border of their range may be the 18 °C July-isotherm. The southern habitat border comprises the African Atlas Mountains and the bordering regions, and in Asia it proceeds to the 36th latitude. While low temperature on the northern border does not affect its habitat, the fungus may also populate the dry southern border.