Epichloe clarkii

Description

This fungal growth affects Creeping Soft-brome (Holcus mollis) and Yorkshire-fog (H. lanatus) grasses. One or more internodes all round and mostly over their total length, wrapped in a white, later yellowish fungal mass (stroma). The internodes are hardly or not at all swollen.

Identification difficulty

(Host grass species must be identified and a note included with your record).

Recording advice

Please include a photograph.  Please note – the host grass species must be identified and a note included with your record in the comments section.

Habitat

The fungal growth may be noted wherever the host species Holcus lanatus and H. mollis occur.

When to see it

Summer to early autumn.

UK Status

Not well recorded, but seems to be widely distributed in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

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Leicestershire & Rutland Map

MAP KEY:

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

UK Map