Yorkshire-fog - Holcus lanatus

Alternative names
Yorkshire Fog
Description

Tufted grass to 100 cm, softly greyish hairy throughout, the inflorescence often with a purplish pink tinge, especially when young. The base of the stem has a striped pink appearance, known jokingly as 'pink striped pyjamas'

Similar Species

Similar to Holcus mollis but that species has more or less hairless stems whereas Holcus lanatus has downy stems. The node hairs of Holcus lanatus are not as long as those of Holcus mollis. The two species do hybridise to give Holcus x hybridus.

Identification difficulty
ID checklist (your specimen should have all of these features)

The panicle is branched. Each spikelet contains two florets which when closed are completely enclosed by the glumes, one of which is shortly awned. The whole plant is softly downy.

Habitat

In all types of grassland, roadside verges and waste ground.

When to see it

May to July.

Life History

Perennial.

UK Status

Very common throughout Britain.

VC55 Status

Very common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 596 of the 617 tetrads.

Leicestershire & Rutland Map

MAP KEY:

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

UK Map

Species profile

Common names
Yorkshire-fog
Species group:
Grasses, Rushes & Sedges
Kingdom:
Plantae
Order:
Poales
Family:
Poaceae
Records on NatureSpot:
313
First record:
11/05/1992 (John Mousley;Steve Grover)
Last record:
24/08/2023 (O'Brien, Helen)

Total records by month

% of records within its species group

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