Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 82. (Budapest 1990)

Bohus, G.: Agaricus studies, XI. (Basidiomycetes, Agaricaceae). A monographical key

D. sectio: Arvenses KONR. et MAUBL

. Size middle to large: cap wider than 6 cm (except of A. amanitaeformis ) . Smell never carbolic or like Jodoform, Indian ink. Schaffer-reaction positive (except, of A. aestivalis

, cappellii

, heimii ) p. 49 X. group: Spissicaulis With squat habitus. Outside of woods. Flesh on cut-surface may be rarely reddening P- 49 XI. group: Arvensis Not of squat habitus. Species with not bulbous stem; occurring in meadows, pastures, gardens, parks, groves and in the edges of woods. Except of "species" with bulbous stem occurring in woods: A. amanitaeformis

, A. arvensis ssp. macrolepis and var. umbrelloideus p. 50 XII. group: Macrosporus Spores relatively large: 10-14 jum long. Out of woods: A. albertii and var. substramineus

, in woods: A. albertii var. exceliens

. Flesh on cut-surface moderately reddening or turning rusty p. 51 XIII. group: Silvicola Stem bulbous. In woods: A. amanitaeformis

, A. arvensis var- macrolepis and var. umbrelloideus

, see XI. group: Arvensis p. 52 XIV. group: Aestivalis Stem cylindrical, not bulbous. In woods, parks p. 52 XV. group: Augustus Cap ochre yellow, ochre brown, brown, vinaceous-brown

, purple, reddish-lilac, seldom only yellowish, always squamose-fibrillose p. 53 E. sectio: Minores FR. Cap less than 6 cm, as a rule 2-4 cm. Smell like almonds, anise. Ring thin. Spores small, less than 6 um, Schaffer reaction positive p. 54 XVI. group: Comtulus Out of woods and in grassy edges of woods. Gills young rosy (except of A

. lutosus

) '. P. 54 XVII. group: Semotus In woods. Gills young greyish, greyish-pinkish (except of A. rusiophy

Ilus

) p. 54 F. sectio: Xanthodermatei SING. Flesh of stem base turning more or less yellow. Smell like carbolic acid, Jodoform or Indian ink (in A. romagnesii not always sensible). Schaffer reaction negative p. 55 XVIII. group: Xanthoderma Species of slender habitus as A. silvicola or essettei

. Stem mostly bulbous. Spores relatively narrow: x 3-4 jjm (except of A. pseudocretaceus

: x 4-5.5, xanthoderma var. griseus

: x 4-4.5jum) p. 55 XIX. group: Pilatianus Species not of a slender habitus. Stem not bulbous. Habitus not like that of A. campestris or bisporus p. 57 XX. group: Pseudopratensi

s Habitus like that of A. campestris or bisporus p. 57 G. sectio: Magici BAS, et HEINÉM. It combines microscopical characters of the genus Micropsalliota (cheilocystidia capitate, spores with somewhat lens-like endosporial thickening at