Boletus moravicus Vácek
Boletaceae
Conservation status. Endangered [EN B1ab(iii)+2ab(iii)].
Morphology and biology. Fruit-bodies solitary. Cap up to 5 cm in diameter, hemispherical to convex, yellow brown to brown. Stipe cylindrical or tapering towards the base, concolorous with the cap, with or without network-like pattern; stipe surface unchanging when bruised. Flesh white or whitish, often with cinnamon tint in the cap, unchanging when exposed to air. Tubes and pores yellow, unchanging when bruised. Basidiospores 8–13 × 4.5–6.5 μm. Mycorrhizal with oaks (Quercus).
Habitats and populations. Thermophilous broadleaf, mainly oak forests. Known from a single locality, in which in 2004 only a small number of fruit-bodies was found.
Distribution in Bulgaria. Black Sea Coast (Southern – Primorsko); up to 100 m.
General distribution. Seldom throughout Europe, absent in the northernmost parts.
Threats. Limited distribution and the specific biology of the fungus; habitat loss and degradation due to intensive tourism and infrastructure development. Fruit-bodies do not appear every year.
Conservation measures taken. Included in the Red List of Fungi in Bulgaria. The locality is situated in Ropotamo Strict Nature Reserve and in a site of the European ecological network Natura 2000 in Bulgaria.
Conservation measures needed. Sustainable management and conservation of the habitat and of the known localities; survey and monitoring of the area of occupancy, the status of the populations and the threats.
References. Pilát & Dermek 1974; Kuthan & Kotlaba 1989; Engel et al. 1996; Ladurner & Simonini 2003; Denchev & Assyov 2010.
Authors: Boris Assyov & Cvetomir M. Denchev