Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 70. (Budapest 1978)

Bohus, G.: Agaricus studies, VIII. (Basidiomycetes, Agaricaceae)

MAUBLANC said: "VAg. osecanus PILÂT n'en semble pas distinct (nom qui aurait la priorité)". Consequently A. nivescens will have to be treated as a synonym of A. osecanus. Herbarial data: 1. Hortobágy: Kónya, saline pasture, 22 Sept. 1967, leg. TÓTH. — 2. Hortobágy: near Ohat, grassy places, 27 May 1974, leg. BABOS; locust-tree forest, 24 June 1974, leg. BABOS. — 3. Hortobágy: Újszentmargita, pasture, 6 Oct. 1976, leg. BABOS, GRÚSZ et RIMÓCZI. — 4. Hortobágy: Vajdalaposi erdő, margin of wood, 3 Sept. 1975, leg. BEGITTER, KOVÂTS et SZUJKÓLACZA. — 5. Hortobágy: Nagyiván, "Betyárpáskom", saline pasture, 23 May 1974, leg. BEGITTER. — 6. Hortobágy: between Nagyiván and Kaparó-csárda, saline pasture, 14 Sept. 1976, leg. BABOS et FRIESZ. References ESSETTE, H. (1964): Les Psalliotes. — Paris, p. 1-84, tab. 1-48. HEINEMANN, P. (1962): Agarici Austroamericani V. — Bull. Inst. Agronom. Stat. Recherch. Gemblou.x, 33: 273-282. HEINEMANN, P. (1965): Notes sur les Psalliotes (Agricus) du Maroc. — Bull. Soc. Myc. Fr., 81: 372-401. KONRAD, P. & MAUBLANC, A. (1952): Les Agaricales II. — Paris, p. 1-202. MOELLER, F. H. (1950, 1951): Danish Psalliota species

I-II. — Friesia,4: 1-60,4: 135-220. PILÂT, A. (1951): The Bohemian species of the genus Agaicus. — Sbor. Nár. Mus. Praze, 7 (B, 1): 1-142. PILÂT, A. (1953): Hymenomycetes novi vel minus cogniti Cechoslovakiae II. — Sbor. Nár. Mus. Praze,9(B,\): 1-109. RICKEN, A. (1910-1915): Die Blätterpilze. —Leipzig, p. 1-480, tab. 1-128. Author's address: DR. GÁBOR BOHUS Botanical Department Hungarian Natural History Museum H-1406 Budapest, Pf. 36. Hungary