B. Papp szerk.: Studia Botanica Hungarica 35. 2004 (Budapest, 2004)

Vasas, Gizella: Interesting macrofungi in Hungary VI. Four rare basidiomycete species

01.10.1988. (BP). - Őrség: Bajánsenye, in Pineto. Leg., det.: Cs. Locsmándi and G. Vasas, 08.10.1995. (BP). - Őrség: Szalafő, in sylva mixta. Leg., det.: Cs. Locsmándi and G. Vasas, 08.10.2000. (BP). - Vendvidék: Kétvölgy, in sylva mixta. Leg., det.: Cs. Locsmándi and G. Vasas, 05.10.2001. (BP). - Vendvidék: Kétvölgy, in sylva mixta. Leg., det.: Cs. Locsmándi and G. Vasas, 03.10.2002. (BP). Phaeolepiota aurea (Matt. ex Fr.) R. Mre. ex Konr. et Maubl. The genus Phaeolepiota is monotypical with unclear taxonomic position, Phaeolepiota aurea is being the only representative. According to recent treatments it is placed closest to genus Cystoderma (MOSER 1983, KRIEGLSTEINER 2001). Granulosity of the fruitbody is characteristic of both genera. Phaeolepiota aurea is very rare in Hungary. In the Hungarian red list of macrofungi (RIMÓCZI et al 1999) it is listed among the endangered species (EN, category 2). Its occurrence in Hungary has not been published so far. Only three specimens are kept in the Hungarian Natural History Museum (BP) and there is one specimen in the private mycological collection of László Albert. All four localities are from low montane areas. This species appeared for the first time in October 1987 in the Bakony Mts (Bakonygyepes), western Hungary, then it was found again a week later, but from the Bükk Mts, northeastern Hungary. 14 years later it was observed again from a different locality in the Mátra Mts (Aranybánya-folyás), northern Hungary. A new location was discovered in September 2003 in the Börzsöny Mts, northern Hungary. The participants of the Annual National Mycological Meeting ("Országos Gombásztalálkozó") found two underdeveloped fruitbodies in spite of the arid period during summer 2003. Krieglsteiner considers P. aurea as a species growing only in anthropogenic, nutrient-rich, nitrofrequent localities. In woods it prefers the tourist paths, places covered by Urtica and Sambucus, and never found under closed canopy (KRIEGLSTEINER 2001). BREITENBACH and KRÄNZLIN (1991) mention further ruderal places, like roads, roadsides, city-parks, gardens. On the basis of our collections and observations, we can confirm that this species prefers the ruderal habitats. The collected specimens (except for those from the Bükk Mts, but without exact habitat descriptions) grew on trampled, disturbed forest trails even if they were collected in forests. Phaeolepiota aurea has a large distribution from the submeridional to the boreal zones, it is not threatened, and no significant decline is observed in its distribution centre (KRIEGLSTEINER 2001). Based on the few records collected in Hungary