Marasmius cornelii Laessøe & Noordel

Descripción original:  PERSOONIA - A MYCOLOGICAL JOURNAL - VOLUME 13 - PART 3 - 1987 Rijksherbarium, Leiden, The Nederlands
Basidiomata parva. Pileus convexus vel applanatus, albidus vel cremeus, versus margine brunneus, leviter rugosus, pruinosus. Hymenium glabrum vel leviter rugosum, griseo-album. Lamellae absentes, Stipes excentricus vel lateralis, raro subcentralis, apicem albus, basim brunneus vel atrobrunneus, toto hirtus. Odor nullis. Sporae 12.5 -18 x 3.5—6.5 um, ellipsoidae vel lacrymoidae, tenuiparictales, inamyloideae. Basidia 35—52 x 10—12.5 um, tetrasporigera, clavata, fibulata. Cystidia hymenii clavata, vesiculosa vel lageniformia, 20-35 x 6—20 um, sparsa prope marginem pilei. Pileipellis hymeniformia clementis clavatis vel vesiculosis 22—50 x 11—30 ym, crassiparietalibus. Pileocystidia 55—90 (—110) x 7-15 wm ad basim et 2—4.5 wm ad apicem, lageniformia, tenuiparictalia. Pilcitrama gelatinosa. Caulocystidia diversa, clavata vel vesiculosa vel cylindracea usque ad 110 um longa, ad apicem1.5—5 wm crassa. Fibulae presentes. Habitat ad vaginis foliorum putridis Cladii mariscus in palude. — Holotypus: 7homas Laessde 0981, 15 Oct. 1984, ‘Keldsnor, Lunden, Island Langeland, Denmark’ (C, isotypus in L).