Choke - Epichloe typhina


Epichloe typhina is a fungal growth that galls the stems of various grasses, the gall often having a rather tubular appearance. It is white in the early stages, yellowing when mature.

Identification difficulty
Recording advice

Please provide photograph of the area affected by 'choke' and an image of the host grass.  Please state the host grass species in the comments section. Microscopic examination may be necessary.


On various grasses including many of our most common species including Sweet Vernal-grass, some False-brome species, Cock's-foot, Perennial Rye-grass, Wood Millet, Timothy and Rough Meadow-grass.

When to see it


UK Status

Widespread and fairly frequent in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

be our species champion

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map