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Nomenclature

Russula glutinosa Fatto
Mycotaxon 70: 170. 1999.

Original diagnosis

Pileus 6-9 cm latus, convexus, maturans ad plano-depressum; margo aequus; cutis glutinosa, resiliens, separabilis usque ad 1/3 partem radii, albida ad pallide ochraceam, media cutis leviter luteo-fusca; trama dura, immutans. Lamellae adnatae, subdistantes, cum abundantibus lamellulis, cremeis, immutantibus, sapor acer. Stipes ad 6 x 2 cm, cremeus, glaber, firmus, immutans. Sporae cremeae (Romagnesi IIC), 5-7 x 4-5 µm, flocculae 0.1 µm altae, segregatae aut cum paucis gracilibus connectivis. Cystidia hymenialia 60-85 x 4-6 µm, abundantia, completa granulis reflexis-griseolis. Pileus cutis ad 300 µm crassans, desidens in matrice gelatinosa, extendens usque ad 280 µm supra extremas hyphae; pileus subcutis habens hyphas libratas-contextas 2-4 µm latas; pileus epicutis habens trichodermis hypharum hyalinarum 2-4 µm lata, sine pileocystidiis. Hyphae stipitis cuticis similes cutici pilei, sed cum multis oleiferis extremis hyphis 3-5 µm latis cum reflexo-griseolo contento.
Holotypus: Lectus a R.M. Fatto 1034, in Mendham town park, Morris County, New Jersey, USA. 6 August 1997. Conservatus in herbario New York Botanical Garden (NY).

Typification

Holotypus: Fatto 1034 (NY)
North America: United States: New Jersey: Morris County, Mendham town Park
Fagus and quercus wood

Description

Photographs

Microscopy

SEM photos