Plant Parasites of Europe

leafminers, galls and fungi

Lachnellula willkommii

Lachnellula willkommii (Hartig) Dennis, 1962

european larch canker

on Larix, etc.

Lachnellula willkommii: apothecia on Larix decidua

Larix decidua, Slovakia, Cervená Skala © Andrej Kunca, National Forest Centre – Slovakia, apothecia


Canker spots, up to 40 cm large, sometimes with resin flow. The white-rimmedand white-hairy apothecia are very conspicuous. Ascopsores 9-10 x 21-24 µm.

host plants

Pinaceae, olihgophagous

Larix decidua; Pseudotsuga.


Dasyscypha willkommii (Hartig) Rehm, 1881; Trichoscyphella willkommii (Hartig) Boudier, 1907


Brandenburger (1985a: 17), Buhr (1964b), Dharne (1964a), Dauphin & Aniotsbehere (1997a), Ellis & Ellis (1997a), Kahr, Maurer, Scheuer, ao (2009a), Maresi, Capretti, Ambrosi & Minerbi (2004a), Redfern & Shirley (2011a)

Last modified 9.viii.2022