Norfolk Fungus Study Group
Studying Norfolk fungi since 2000
   Norfolk Fungus Study Group

Erysiphe alliariicola
M. Bradshaw & U. Braun 2024
This species was described in May 2024 and is not yet recognised by the major databases
Ascomycota > Leotiomycetes > Helotiales > Erysiphaceae
Details on: MycoBank; GBIF; NBN Atlas

Species List

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Alderford Common TG1218Banham TM0689Booton TG1222Booton Common TG1122Boughton Fen TF7101Brandon Parva, churchyard TG0708Buxton TG2322Castle Acre TF8115Cranwich, Watermill Broad pits TL7795Denton, churchyard TM2887Dillington Carr TF9715Drymere TF7605Earsham, Beech Wood TM3189East Walton TF7614Elsing Heath TG0516Fersfield, churchyard TM0682Filby TG4613Framingham Earl TG2703Geldeston TM3990Glandford TG0340Glandford, Bayfield Estate TG0440Heacham, Lousy Bush & Long Woods TF6838Heydon Hall TG1127Hockham Heath TL9292Holt TG0838Honing TG3227Honingham TG1011Horstead TG2718How Hill (Ludham) TG3719Ingham TG3925Intwood TG1904Ketteringham, Ladybelt Country Park TG1702Kirby Cane TM3793Ludham TG3818Lynford Arboretum & Picnic site TL8294Martham, Common Road Smee TG4317Narford TF7512North Walsham, Pigney's Wood TG2932Norwich city TG2108Norwich, Bluebell Allotments (North) TG2008Norwich, Bluebell Wood TG1907Norwich, Danby Wood (Tuckswood) TG2205Norwich, Earlham Cemetery East TG2108Norwich, Earlham Road TG2108Norwich, Eaton Park TG2007Norwich, Lakenham Way TG2307Norwich, Sweet Briar Marshes (East) TG2009Norwich, Sycamore Crescent Wood TG2009Norwich, University of East Anglia TG1907Norwich, Wensum Local Nature Reserve TG2009Ringland Hills TG1312Sankence Wood TG1525Scottow TG2624Shouldham Warren TF6710Snettisham, Ken Hill Estate TF6734Stoke Holy Cross TG2301Strumpshaw Fen TG3406Tacolneston Hall TM1395Thetford, Barnham Cross Common TL8681Thrigby Hall TG4612Waxham TG4425Weeting TL7587West Acre TF7915West Dereham TF6401West Lexham TF8417West Runton Heath TG1741Whitlingham CP and Broad TG2507Winfarthing, churchyard TM1085Winterton-on-Sea TG4919Wreningham TM1599Yelverton, churchyard TG2902

Summary

91 records from 71 different sites
Years (# of records): 2004 (1) 2017 (4) 2019 (4) 2020 (7) 2021 (2) 2022 (2) 2023 (7) 2024 (19) 2025 (45)
Months: JFMAMJJASOND
Recorded Species: Erysiphe cruciferarum
Associations: Alliaria; Alliaria petiolata
Substrates: leaf, living; live leaf; living leaf; living leaves
Finders: Chris Preston; Ian Senior; James Emerson; Jenny Kelly; Jeremy Bartlett; Keith Fox; Richard Shotbolt; Stewart Wright; Tony Leech; Tony Moverley; Vanna Bartlett
Identifiers: Chris Preston; Ian Senior; James Emerson; Jenny Kelly; Jeremy Bartlett; Keith Fox; Richard Shotbolt; Stewart Wright; Tony Leech; Tony Moverley
Confirmers: None
Comments: 'Erysiphe alliariicola considered part of the E. cruciferarum complex'; 'part of the E. cruciferarum complex'; 'The only powdery mildew occuring on Allaria petiolata Garlic Mustard'

Record Details

17/08/2004 Norwich, Danby Wood (Tuckswood); TG2205; Alliaria; leaf, living; Richard Shotbolt; Richard Shotbolt; [as Erysiphe cruciferarum]; Lit. cited: 257
23/06/2017 Holt; TG081389; Alliaria petiolata; live leaf; Tony Leech; Tony Leech; [as Erysiphe cruciferarum]; Lit. cited: 257
08/07/2017 Cranwich, Watermill Broad pits; TL7795; Alliaria petiolata; live leaf; Tony Leech; Tony Leech; [as Erysiphe cruciferarum]; Lit. cited: 257
21/08/2017 Norwich, Earlham Cemetery East; TG2108; Alliaria petiolata; Ian Senior; Tony Leech; [as Erysiphe cruciferarum]; Lit. cited: 257
05/11/2017 Glandford, Bayfield Estate; TG0440; Alliaria petiolata; live leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
31/08/2019 West Runton Heath; TG178417; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
08/09/2019 Heydon Hall; TG1127; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
28/09/2019 Norwich, Earlham Cemetery East; TG212088; Alliaria petiolata; living leaf; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]; Lit. cited: 257
23/10/2019 Glandford, Bayfield Estate; TG048408; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
10/06/2020 North Walsham, Pigney's Wood; TG295321; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
17/06/2020 Norwich, Earlham Cemetery East; TG212088; Alliaria petiolata; living leaf; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]; Lit. cited: 257
13/07/2020 Alderford Common; TG127184; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
26/07/2020 Filby; TG467133; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
23/08/2020 Martham, Common Road Smee; TG437179; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
26/08/2020 Winterton-on-Sea; TG493196; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
09/09/2020 Waxham; TG444257; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
09/08/2021 Norwich city; TG210085; Alliaria petiolata; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]; Lit. cited: 257
02/10/2021 Thetford, Barnham Cross Common; TL867812; Alliaria petiolata; Chris Preston; Chris Preston; [as Erysiphe cruciferarum]; Lit. cited: 257
03/09/2022 Hockham Heath; TL924927; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
02/10/2022 Cranwich, Watermill Broad pits; TL7795; Alliaria petiolata; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
10/08/2023 Intwood; TG197042; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]; Lit. cited: 257
02/09/2023 Ketteringham, Ladybelt Country Park; TG1702; Alliaria petiolata; live leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
14/09/2023 Sankence Wood; TG156254; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
23/09/2023 Thrigby Hall; TG461123; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
25/09/2023 Buxton; TG231224; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]; Lit. cited: 257
29/09/2023 Norwich, Sweet Briar Marshes (East); TG206097; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]; Lit. cited: 257
03/10/2023 Norwich, Bluebell Wood; TG199073; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]; Lit. cited: 257
24/05/2024 Intwood; TG197043; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria. Site recorded as Intwood, Intwood Road

30/05/2024 Norwich, Sweet Briar Marshes (East); TG206097; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria. Site recorded as Norwich, Sweetbriar Marshes (East)

04/06/2024 Strumpshaw Fen; TG341064; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

08/06/2024 Norwich, Earlham Cemetery East; TG214088; Alliaria petiolata; living leaf; Vanna Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

13/06/2024 Banham; TM062892; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria. Site recorded as Banham, Banham Road

11/07/2024 Norwich, Sweet Briar Marshes (East); TG207098; Alliaria petiolata; living leaves; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

13/07/2024 How Hill (Ludham); TG3719; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; "part of the E. cruciferarum complex"
18/07/2024 Norwich, Earlham Road; TG210085; Alliaria petiolata; living leaf; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

19/07/2024 Norwich, Bluebell Wood; TG199073; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

19/07/2024 Norwich, Eaton Park; TG201074; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

19/07/2024 Norwich, University of East Anglia; TG195078; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

20/07/2024 Honingham; TG100119; Alliaria petiolata; living leaf; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

20/07/2024 Ringland Hills; TG139124; Alliaria petiolata; living leaf; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

25/07/2024 Norwich, Wensum Local Nature Reserve; TG206095; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

08/08/2024 Booton; TG122224; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria. Site recorded as Booton, Church Road

11/08/2024 Norwich, Sweet Briar Marshes (East); TG206098; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

03/09/2024 Norwich, Sycamore Crescent Wood; TG210095; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola regarded as specific to Allaria

08/09/2024 Lynford Arboretum & Picnic site; TL8294; Alliaria petiolata; live leaf; Stewart Wright; Stewart Wright
20/09/2024 Castle Acre; TF815150; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
24/04/2025 Norwich city; TG220081; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
03/06/2025 Norwich, Bluebell Allotments (North); TG204081; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
21/06/2025 Weeting; TL752878; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; "Erysiphe alliariicola considered part of the E. cruciferarum complex"
05/07/2025 Norwich city; TG193109; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
21/07/2025 Ludham; TG387182; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright
23/07/2025 Norwich, University of East Anglia; TG197078; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
23/07/2025 Norwich city; TG206082; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
05/08/2025 Booton Common; TG110228; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
10/08/2025 Heacham, Lousy Bush & Long Woods; TF684386; Alliaria petiolata; living leaf; Jenny Kelly; Jenny Kelly
11/08/2025 Norwich city; TG206094; Alliaria petiolata; living leaf; Vanna Bartlett; Jeremy Bartlett
11/08/2025 Norwich, Sycamore Crescent Wood; TG209096; Alliaria petiolata; living leaf; Vanna Bartlett; Jeremy Bartlett
17/08/2025 Scottow; TG263249; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
22/08/2025 Horstead; TG273181; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
23/08/2025 Glandford; TG0340; Alliaria petiolata; leaf, living; Tony Moverley; Tony Moverley; "The only powdery mildew occuring on Allaria petiolata Garlic Mustard"; Lit. cited: 257
27/08/2025 Yelverton, churchyard; TG292021; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
27/08/2025 Framingham Earl; TG277030; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
02/09/2025 Stoke Holy Cross; TG230018; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
06/09/2025 Norwich, Bluebell Wood; TG199073; Alliaria petiolata; living leaf; Vanna Bartlett; Jeremy Bartlett
07/09/2025 Shouldham Warren; TF6710; Alliaria petiolata; live leaf; Stewart Wright; Stewart Wright
09/09/2025 Geldeston; TM390909; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
09/09/2025 Kirby Cane; TM374939; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
14/09/2025 East Walton; TF760149; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
15/09/2025 West Acre; TF792150; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
16/09/2025 Drymere; TF769058; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
16/09/2025 Narford; TF756129; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
18/09/2025 West Acre; TF789180; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
20/09/2025 Elsing Heath; TG054169; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
20/09/2025 West Lexham; TF843171; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
23/09/2025 Norwich, Earlham Road; TG210085; Alliaria petiolata; living leaf; Ian Senior; Ian Senior
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola is regarded as specific to Alliaria

23/09/2025 Norwich, Sycamore Crescent Wood; TG208094; Alliaria petiolata; living leaf; Ian Senior; Ian Senior
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola is regarded as specific to Alliaria

25/09/2025 Honing; TG327275; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright
27/09/2025 West Dereham; TF646010; Alliaria petiolata; living leaf; Ian Senior; Ian Senior
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe alliariicola is regarded as specific to Alliaria

01/10/2025 Snettisham, Ken Hill Estate; TF676349; Alliaria petiolata; living leaf; Keith Fox; Keith Fox
02/10/2025 Fersfield, churchyard; TM065828; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
02/10/2025 Winfarthing, churchyard; TM109857; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
03/10/2025 Norwich, Lakenham Way; TG231072; Alliaria petiolata; living leaf; James Emerson; James Emerson
06/10/2025 Boughton Fen; TF719012; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
12/10/2025 Tacolneston Hall; TM1395; Alliaria petiolata; living leaf; James Emerson; James Emerson
12/10/2025 Wreningham; TM150991; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright
25/10/2025 Dillington Carr; TF972159; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright
30/10/2025 Brandon Parva, churchyard; TG070080; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
06/11/2025 Denton, churchyard; TM286873; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
10/11/2025 Earsham, Beech Wood; TM315895; Alliaria petiolata; living leaf; Jeremy Bartlett; Jeremy Bartlett
29/11/2025 Whitlingham CP and Broad; TG2507; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright
04/12/2025 Ingham; TG391259; Alliaria petiolata; living leaf; Stewart Wright; Stewart Wright; "Erysiphe alliariicola considered part of the E. cruciferarum complex"

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