Rhubarb Leaf-spot - Ramularia rhei

Description

The fungus Ramularia rhei causes Rhubarb Leaf-spot.  This takes the form of roughly circular or oval, sunken, reddish or tan coloured lesions on the leaves and stems of Rhubarb.

Identification difficulty
Habitat

Where Rhubarb is present.

When to see it

When Rhubarb is in leaf.

Life History

The fungi can overwinter on old rhubarb leaves and stalks. These fungi also can spread through infected rootstock.

UK Status

Precise status in Britain is difficult to determine due to lack of records.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Species group:
Fungi
Kingdom:
Fungi
Order:
Capnodiales
Family:
Mycosphaerellaceae
Records on NatureSpot:
2
First record:
11/06/2018 (Pearce, Ray)
Last record:
15/08/2023 (axon, kaye)

Total records by month

% of records within its species group

10km squares with records

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