Inonotus andersonii
Inonotus andersonii (Ellis & Everh.) Černý
Hymenochaetaceae
Conservation status. Endangered [EN B2ab(i,ii,iv)].
Morphology and biology. Fruit-bodies annual, resupinate, up to 50 cm, fleshy then hard and fragile, growing under the bark and outer sapwood, causing cankers after appearance, dark yellow-brown to dark brown. Hymenium up to 1 cm thick, bright yellow-brown to dark red-brown; pores round to angular, 1–6 per mm. Context brittle, yellow-brown. Basidia clavate, 2–4-sterigmate. Spores oval to broadly ellipsoid, 5−8 × 4−6 µm, yellow to yellowish green, thick-walled.
Habitats and populations. In hardwood forests.
Distribution in Bulgaria. Thracian Lowland (Plovdiv).
General distribution. Europe, Asia, North America.
Threats. Habitat loss/degradation caused by infrastructure development (human settlement, tourism/recreation, etc.); soil pollution.
Conservation measures taken. Included in the Red List of Fungi in Bulgaria.
Conservation measures needed. Study of the population numbers and range; interpretation of species status through better understanding of the species biology and ecology; conservation of the habitat; study of the trends through monitoring.
References. Gyosheva et al. 2006; Denchev & Assyov 2010.
Authors: Cvetomir M. Denchev, Roumyana D. Petrova & Georgi T. Stoichev
