Neosetophoma samarorum
Phoma samararum
The fungus Neosetophoma samarorum produces minute (0.15mm) black pycnidia immersed in the wings of Ash keys (samara) - these appear as very small dots on the wings of the samara
Diaporthe samaricola has larger, more obvious black dots on Ash keys, at the seed end.
host 
Please provide a photograph. Some indication of size may also be helpful. Note the host species and substrate in your comments
On the samara (keys) of Ash
Winter and early spring.
see page on BioImages https://www.bioimages.org.uk/html/Neosetophoma_samarorum.htm
Mark Skevington
Whetstone
16 February 2021
On the samara (keys) of Ash
Mark Skevington
Whetstone
16 February 2021
On the samara (keys) of Ash
Graham Calow
Stoney Stanton, near Stoney Cove overspill car park
17 February 2021
on samara (key) of Ash
Graham Calow
Sapcote, Leicester Road
18 February 2021
on the samara (keys) of Ash
Leicestershire & Rutland Map
Enter a town or village to see local records
MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Species profile
- Species group:
- fungus
- Kingdom:
- Fungi
- Order:
- Pleosporales
- Family:
- Phaeosphaeriaceae
- Records on NatureSpot:
- 23
- First record:
- 15/02/2021 (Skevington, Mark)
- Last record:
- 06/03/2026 (Smith, Peter)
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
Mark Skevington
Watermead CP South
15 February 2021
Mark Skevington
Watermead CP South
15 February 2021
