Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 91. (Budapest 1999)
Bohus, G., Vasas, G. ; Locsmándi, Cs.: Two new fungus species from Hungary (Basidiomycetes, Agaricales)
later pendant, on the underside without squamae. - Flesh: white, light yellowing only more or less towards the stem base. Schaffet reaction positive. Smell weak, not characteristic. - Spores: widely ellipsoid-ovoid, 6.6-7.1 x 4.4-5 mm. - Chcilocystidia: clavate, later clavate, 18-22 x 7-8 mm. Occurrence: it was found in one spot of the type locality which was an oak wood. Holotypus. 91968 in Herbario Mus.Hist.-nat.Hung. Gyula, Mályvádi-erdő, in querceto, 27.IV. 1998., leg. Cs. LOCSMÁNDI et G. VASAS. THE POSITION OF THE NEW SPECIES IN THE SECTION ARVENSES Spores relatively large: 10-14 mm long subsectio Macrospori Spores smaller 2 Cap, already when young, ochre yellow, ochre brown, vinaceous brown, reddish lilac, purple subsectio Augusti Cap of other colours 3 Stem bulbous. Growing in woods. (Stem bulbous also at A. amanitaeformis, A. arvensis ssp. macrolepis and A. pseudoumbrella in subsectio Arvensis) subsectio Silvicolae Stem not bulbous (except A. arvensis ssp. macrolepis and A. pseudoumbrella) 4 With squat habitus. Not occurring in woods. Schäffer reaction negative subsectio Spissicaules Not of squat habitus (except of A. amanitaeformis) 5 Species occurring in grassy places: in meadows, pastures, gardens, parks subsectio Arvenses Species occurring in woods, parks subsectio Aestivales POSITION OF THE SPECIES IN THE KEY OF THE SUBSECTION SILVICOLAE The key of BOHUS (1995) should be complemented in the following way: 1 Flesh reddening on the cut surface and yellowing in the stem basis A. silvicolae-similis BOHUS et LOCSMÁNDI Not so 2