Seifertia azaleae

Alternative names
Rhododendron Blight
Description

Seifertia azaleae is an ascomycete fungus infecting azaleas and rhododendrons. Buds and sometimes leaves appeared covered in erect, black "hairs", several millimetres long, which are in fact bundles of hyphae carrying a tuft of chains of conidia (spores). The fungus is believed to penetrate the plant via wounds made by the Rhododendron Leafhopper, Graphocephala fennahi. 

Identification difficulty
Recording advice

Close up photos showing details of fruiting bodies required. 

Habitat

On rhododendrons and azaleas. 

UK Status

Widespread. 

VC55 Status

Unknown.

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:
Order:
Family:
Records on NatureSpot:
4
First record:
25/02/2024 (Graves, Hazel)
Last record:
30/04/2024 (Timms, Sue)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

Latest images

Latest records