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The designation of type material is a crucial step in taxonomy. It enables the establishment of a strong morphological reference for plant species description and identification. In the current work, we investigated the MUSE-preserved collections to trace back the original study material employed by Francesco Facchini to describe Sempervivum dolomiticum Facchini. This chasmophyte is an Italian endemic occurring in the eastern Dolomites. A lectotype and an isotype have been designated.