Ramularia rubella
Ramularia rubella is a plant pathogen that infects Docks (Rumex species). Infection produces reddish spots on leaves. The red colour is caused by the production of rubellin, a phytotoxin. Small white tufts of conidia in caespituli, emerging from stomata, should be visible.
Ramularia pratensis var. pratensis also affects Rumex spp. Similar spots can be caused by pathogens or physical damage.
microscope 
Microscopic examination is needed. We recommend that your record is verified by an expert before submission to NatureSpot
Docks
sue
Huncote, pasture by Thurlaston Brook
23 March 2026
broad-leaved dock
sue
Croft Hill (E)
23 March 2026
x400, Cotton Blue stain
sue
Croft Hill (E)
23 March 2026
Rumex crispus
sue
Huncote, pasture by Thurlaston Brook
23 March 2026
conidia
x400, Cotton Blue stain
sue
Croft Hill (E)
23 March 2026
sue
Thornton, path between reservoir and Bricklayer's Arms
15 March 2026
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Yellow squares = NBN records (all known data)
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Species profile
- Species group:
- fungus
- Kingdom:
- Fungi
- Order:
- Mycosphaerellales
- Family:
- Mycosphaerellaceae
- Records on NatureSpot:
- 3
- First record:
- 15/03/2026 (Timms, Sue)
- Last record:
- 23/03/2026 (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
sue
Thornton, path between reservoir and Bricklayer's Arms
15 March 2026
sue
Thornton, path between reservoir and Bricklayer's Arms
15 March 2026
sue
Croft Hill (E)
23 March 2026
sue
Huncote, pasture by Thurlaston Brook
23 March 2026
sue
Thornton, path between reservoir and Bricklayer's Arms
15 March 2026
