Abstract
Pimpinellasaxifragasubsp.rupestris (Apiaceae) grows in a glacial cirque (Karkonosze Mountains, Sudetes, Poland) on a basalt substrate. Specimens of this species were first collected and described at the end of the 19th century, and their taxonomic distinctiveness and endemic status were determined by Weide in 1962. The typification of the name Pimpinellasaxifragasubsp.rupestris is discussed. The protologue of the name and the diagnostic phrase are evaluated based on herbarium specimen. The lectotype is designated. The paper also presents diagnostic morphological features of this and a closely related species Pimpinellasaxifragasubsp.saxifraga.
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