A New Micarea Species from Western Europe, Belonging in the Micarea denigrata Group

van den Boom P.P.G., Brand A.M., Coppins B.J. & Serusiaux E. 2018: A new Micarea species from western Europe, belonging in the Micarea denigrata group. – Herzogia 31: 385–389. A new species of Micarea, M. sambuci is described from western Europe. Though it was common in the Netherlands and also present in Belgium, Luxemburg , Germany, and Scotland, it could now be extinct. It differs from M. nitschkeana by the production of mesoconidia (2.7–4.1 × 1.1–1.5µm) and complete absence of micro- and macroconidia.