Abstract
The authors describe Cortinarius cisti-ladaniferi, a new Cortinarius species collected under Cistus ladanifer in the Despeñaperros natural Park, Sierra Morena, Andalusia (Spain), that belongs to the section Scobinaceiformes. A discussion on genetically and morphologically similar taxa is proposed. A collection of Cortinarius scobinaceus Malençon & Bertault is included for comparison.