Norfolk Fungus Study Group
Studying Norfolk fungi since 2000
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Erysiphe radulescui
Ascomycota > Leotiomycetes > Helotiales > Erysiphaceae
Details on: MycoBank; GBIF; Species Fungorum

Species List

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Brockdish TM2179Castle Acre TF8115Cranwich Heath TL7893Fundenhall, churchyard TM1596Holt TG0839Ludham TG3818Norwich city TG2008Norwich, Bluebell Allotments (North) TG2008Norwich, Bluebell Wood TG1907Norwich, Earlham Road TG2108Reepham TG1022Repps-with-Bastwick TG4217Shouldham Warren TF6710Thetford TL8683Welney TL5294Wisbech TF4608Yelverton, churchyard TG2902

Summary

24 records from 17 different sites
Years (# of records): 2021 (3) 2022 (1) 2023 (2) 2024 (7) 2025 (11)
Months: JFMAMJJASOND
Recorded Species: Erysiphe cruciferarum
Associations: Cleome hassleriana; Eschscholzia californica; Glaucium flavum; Hesperis matronalis; Isatis tinctoria; Lapsana communis; Lunaria annua; Papaver somniferum; Sinapis arvensis; Sisymbrium officinale
Substrates: live leaf; living leaf; living stem; stem, living
Finders: Chris Preston; Ian Senior; James Emerson; Jeremy Bartlett; Stewart Wright; Tony Moverley
Identifiers: Chris Preston; Ian Senior; James Emerson; Jeremy Bartlett; Stewart Wright; Tony Moverley
Confirmers: None
Comments: 'Appressoria lobed'; 'Conidia formed singly'; 'The only powdery mildew occuring on Glaucium flavum Yellow Horned Poppy.'

Record Details

07/07/2021 Norwich city; TG210085; Lunaria annua; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]
16/09/2021 Norwich city; TG226091; Lapsana communis; James Emerson; James Emerson; [as Erysiphe cruciferarum]
02/10/2021 Thetford; TL868834; Cleome hassleriana; Chris Preston; Chris Preston; [as Erysiphe cruciferarum]
19/05/2022 Norwich, Earlham Road; TG210085; Lunaria annua; living leaf; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]
02/08/2023 Norwich city; TG206082; Isatis tinctoria; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
18/09/2023 Repps-with-Bastwick; TG424176; Eschscholzia californica; living leaf; Stewart Wright; Stewart Wright; [as Erysiphe cruciferarum]
06/06/2024 Norwich city; TG206082; Hesperis matronalis; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe radulescui regarded as specific to Hesperis matronalis. Site recorded as Norwich, 10 Stannard Road 

19/07/2024 Norwich city; TG206082; Hesperis matronalis; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe radulescui regarded as specific to Hesperis matronalis. Site recorded as Norwich, 10 Stannard Road 

19/07/2024 Norwich, Bluebell Wood; TG199073; Lunaria annua; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe radulescui regarded as specific to Lunaria annua

27/07/2024 Norwich city; TG207081; Sisymbrium officinale; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe radulescui regarded as specific to Sismbrium officinale. Site recorded as Norwich, Colman Road

27/08/2024 Fundenhall, churchyard; TM152968; Sisymbrium officinale; living leaf; Jeremy Bartlett; Jeremy Bartlett; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe radulescui regarded as specific to Sismbrium officinale. Site recorded as Fundenhall Church

19/09/2024 Welney; TL522942; Sisymbrium officinale; Chris Preston; Chris Preston; "Appressoria lobed"; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe radulescui regarded as specific to Sisymbrium officinale. Site recorded as S of March Road, Welney (Norfolk but v.c. 29)
; VC29
19/10/2024 Wisbech; TF469085; Sinapis arvensis; living leaf; Ian Senior; Ian Senior; [as Erysiphe cruciferarum]
; Additional NotesOriginally recorded as Erysiphe cruciferarum but Erysiphe radulescui regarded as specific to Sinapis arvensis. Site recorded as Wisbech, Elm High Rd

05/07/2025 Reepham; TG100228; Papaver somniferum; living leaf; Jeremy Bartlett; Jeremy Bartlett; "Conidia formed singly"
10/07/2025 Norwich city; TG233091; Sisymbrium officinale; living leaf; Jeremy Bartlett; Jeremy Bartlett
21/07/2025 Ludham; TG387182; Sisymbrium officinale; living leaf; Stewart Wright; Stewart Wright
07/08/2025 Cranwich Heath; TL784939; Sisymbrium officinale; living leaf; Jeremy Bartlett; Jeremy Bartlett
10/08/2025 Norwich, Bluebell Allotments (North); TG204081; Sisymbrium officinale; living stem; Jeremy Bartlett; Jeremy Bartlett
12/08/2025 Brockdish; TM212799; Sisymbrium officinale; living leaf; Jeremy Bartlett; Jeremy Bartlett
13/08/2025 Holt; TG084392; Glaucium flavum; stem, living; Tony Moverley; Tony Moverley; "The only powdery mildew occuring on Glaucium flavum Yellow Horned Poppy."; Lit. cited: 257
27/08/2025 Yelverton, churchyard; TG292021; Sisymbrium officinale; living leaf; Jeremy Bartlett; Jeremy Bartlett
05/09/2025 Norwich, Bluebell Allotments (North); TG204081; Eschscholzia californica; living leaf; Jeremy Bartlett; Jeremy Bartlett
07/09/2025 Shouldham Warren; TF6710; Sisymbrium officinale; live leaf; Stewart Wright; Stewart Wright
17/09/2025 Castle Acre; TF817151; Eschscholzia californica; living leaf; Jeremy Bartlett; Jeremy Bartlett

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