Summary 24 records of 7 different species from 20 different sites
Years (# of records): 1940 (1)
1945 (1)
1949 (1)
1963 (1)
2021 (4)
2022 (1)
2023 (6)
2024 (5)
2025 (4)
Months: JFMAMJJASOND
Fungal Taxa associated with Knautia arvensis (7)
Erysiphe knautiae (6 records)
Microbotryum scabiosae (1 record)
Peronospora knautiae (2 records)
Peronospora violacea (2 records)
Podosphaera dipsacacearum (1 record)
Ramularia tricherae (7 records)
Septoria scabiosicola (5 records)
Record Details 15/09/1940 Ramularia tricherae; Hellesdon; TG2111; Knautia arvensis; E.A. Ellis; E.A. Ellis
26/08/1945 Septoria scabiosicola; Scratby; TG5115; Knautia arvensis; leaf; E.A. Ellis; R.W.G. Dennis
17/07/1949 Peronospora violacea; Surlingham; TG3107; Knautia arvensis; E.A. Ellis
00/08/1963 Peronospora violacea; Surlingham; TG3107; Knautia arvensis; E.A. Ellis
19/06/2021 Peronospora knautiae; Narborough, railway cutting; TF752116; Knautia arvensis; living leaf; Stewart Wright; Stewart Wright
03/07/2021 Podosphaera dipsacacearum; Norwich city; TG210085; Knautia arvensis; living leaf; Ian Senior; Ian Senior
22/08/2021 Microbotryum scabiosae; Bawburgh; TG142085; Knautia arvensis; anther; Ian Senior; Ian Senior
03/11/2021 Ramularia tricherae; Acle, Roman Wood; TG407105; Knautia arvensis; living leaf; Stewart Wright; Stewart Wright
02/10/2022 Ramularia tricherae; Cranwich, Watermill Broad pits; TL7795; Knautia arvensis; living leaf; Stewart Wright; Stewart Wright
08/08/2023 Peronospora knautiae; Cranwich Heath; TL775933; Knautia arvensis; living leaf; Stewart Wright; Stewart Wright
20/08/2023 Ramularia tricherae; Norwich city; TG206082; Knautia arvensis; living leaf; Jeremy Bartlett; Jeremy Bartlett
21/08/2023 Ramularia tricherae; Wreningham; TM155981; Knautia arvensis; living leaf; Jeremy Bartlett; Jeremy Bartlett
11/09/2023 Ramularia tricherae; Thurton; TG326002; Knautia arvensis; living leaf; Jeremy Bartlett; Jeremy Bartlett
04/11/2023 Erysiphe knautiae; Caistor St. Edmund; TG2303; Knautia arvensis; live leaf; Stewart Wright; Stewart Wright
04/11/2023 Septoria scabiosicola; Caistor St. Edmund; TG2303; Knautia arvensis; live leaf; Stewart Wright; Stewart Wright
26/07/2024 Erysiphe knautiae; Wymondham; TG098011; Knautia arvensis; living leaf; Jeremy Bartlett; Jeremy Bartlett
26/07/2024 Ramularia tricherae; Wymondham; TG099011; Knautia arvensis; living leaf; Jeremy Bartlett; Jeremy Bartlett
03/08/2024 Septoria scabiosicola; Sedgeford; TF704366; Knautia arvensis; living leaf; Jenny Kelly; Jenny Kelly; "Spores examined"; Lit. cited: 25
01/09/2024 Septoria scabiosicola; Ringstead, Courtyard Farm; TF724413; Knautia arvensis; living leaf; Jenny Kelly; Jenny Kelly
02/09/2024 Erysiphe knautiae; Norwich, Earlham Road; TG210085; Knautia arvensis; living leaf; Ian Senior; Ian Senior
07/07/2025 Septoria scabiosicola; Flitcham, Abbey Farm; TF743271; Knautia arvensis; living leaf; Jenny Kelly; Jenny Kelly; Lit. cited: 127
02/09/2025 Erysiphe knautiae; Cley; TG058425; Knautia arvensis; leaf, living; Tony Moverley; Tony Moverley; "Lack of fibrosin bodies in conidia eliminates the only other powdery mildew (Podosphaera dipsacacearum) found on Knautia"; Lit. cited: 257
16/09/2025 Erysiphe knautiae; Barton Bendish; TF704039; Knautia arvensis; living leaf; Jeremy Bartlett; Jeremy Bartlett
16/09/2025 Erysiphe knautiae; Drymere; TF781063; Knautia arvensis; living leaf; Jeremy Bartlett; Jeremy Bartlett
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