Pustula obtusata s. str.
Albugo tragopogonis
This is a white blister-rust fungus that cause galls on Goat's-beard and Salsify (Tragopogon). Whitish crusty pustules are formed on the leaves, and the plant is sometimes distorted and deformed.
host 
Photograph the blister-rust on the host plant; ensure you have noted the host species in your comments
On Goat's-beard and Salsify plants.
This is part of the Pustula obtusata sensu lato species complex that affects a wide range of hosts in the Asteraceae, including Ragworts (Senecio and Jacobaea).
Peter Smith
Oadby, University Botanic Garden
29 June 2025
on goat's-beard
Peter Smith
Oadby, University Botanic Garden
29 June 2025
on goat's-beard
Peter Smith
Leicester, Abbey Park
31 May 2024
on goat's-beard
Peter Smith
Leicester, Abbey Park
31 May 2024
on goat's-beard
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:
- fungoid
- Kingdom:
- Chromista
- Order:
- Albuginales
- Family:
- Albuginaceae
- Records on NatureSpot:
- 10
- First record:
- 08/06/2016 (Grimes, Martin)
- Last record:
- 29/06/2025 (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.