Plant Parasites of Europe

leafminers, galls and fungi

Ramularia collo-cygni

Ramularia collo-cygni Sutton & Waller, 1988


Leaf spots with caespituli. Conidia solitary, 5-9 x 6-12 ┬Ám, aseptate. Conidiophores with a ‘swan’s neck’.

host plants

Poaceae, oligophagous

Glyceria maxima; Hordeum vulgare & subsp. distichon.

Perhaps also Cannabis sativa; Phaseolus coccineus.

distribution within Europe

PESI (2022).


In northern Europa, also elsewhere, an expanding pest.


Braun (1998a), Chater, Woods, Stringer, ao (2021a), Scheuer & Bechter (2012a).

Last modified 24.vii.2022