Search on : Taxa descriptions


Page number:90 
Remarks (public):Aleurobotrys botryosus is characterized by the acanthophyses with coralloid and amyloid branches. The spores are typically described as ornamented with short echinules, but Gilbertson & Blackwell (1985) also described the basidiospores as smooth to shallowly tuberculate. 
Description type:Non-original description 
Description:Aleurobotrys botryosus (Burt) Boidin, in Boidin, Lanquetin, Gilles, Candoussau & Hugueney, Bull. trimest. Soc. mycol. Fr. 101(4): 340, 1985.
Bas.: Aleurodiscus botryosus Burt, Ann. Mo. bot. Gdn 5: 198, 1918.
Basidiome resupinate, effused, whitish, hymenial surface even. Hyphal system monomitic, hyphae with simple-septa. Dendrophyses with amyloid ramifications. Gloeocystidia clavate, 35-55 x 12-15 µm, thin- to slightly thick-walled, some with a bifurcate apical part. Basidia clavate, 40-80 x 15-20 µm, thin-walled, with 4-sterigmata, basally simple septate. Basidiospores, ellipsoid to pyriform, 13-14.5 x 7.5-9 µm, ornamented but seemingly smooth at light microscope, reaction in Melzer very sligthly amyloid to inappreciable in some spores, with yellowish granular contents in Melzer.
Distribution in Europe: France, Belgium, United Kingdom, Portugal, Italy, Spain, and the Caucasus. Very rare species in Italy, recorded from Lazio.
Substrata: on Rubus fruticosus.
Taxon name: