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

Centaurea nigra
Centaurea nigra (Lesser Knapweed)

Associations List

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Acle TG4010Alderford Common TG127184Ashmanhaugh TG317208Blofield, Marty's Marsh TG3308Caistor St. Edmund TG2303Catfield Hall Estate TG3720Cranwich Heath TL775943Cranwich, Watermill Broad pits TL775955Drayton TG1913Edingthorpe TG323331Filby TG467133Foxley Wood TG0522Great Yarmouth TG5006Hoe Rough, Beetley TF9716Hoveton Hall TG313202Ketteringham, Ladybelt Country Park TG1702Little Massingham TF7823Middle Harling Heath TL985833Neatishead, Threehammer Common TG344197Norwich, Sweet Briar Marshes (East) TG2009Repps-with-Bastwick TG415164Roydon, Hudson's Fen TF6922Shouldham Warren TF6710Snettisham TF682333Tacolneston Hall TM139956Thompson Common TL937964Thurne TG403158West Acre TF788132Wheatfen, Surlingham TG3205Whitwell Common TG088205

Summary

44 records of 8 different species from 30 different sites
Years (# of records): 1932 (1) 1937 (1) 1939 (2) 1990 (1) 1994 (1) 2018 (1) 2019 (2) 2020 (5) 2021 (2) 2022 (5) 2023 (10) 2024 (2) 2025 (11)
Months: JFMAMJJASOND

Fungal Taxa associated with Centaurea nigra (8)

Bovista nigrescens (1 record)
Bremia centaureae (1 record)
Golovinomyces montagnei (4 records)
Puccinia calcitrapae (21 records)
Puccinia hieracii (2 records)
Pyrenopeziza adenostylidis (2 records)
Ramularia triboutiana (12 records)
Stemphylium herbarum (1 record)

Record Details

31/07/1932 Puccinia calcitrapae; Acle; TG4010; Centaurea nigra; E.A. Ellis
18/03/1937 Stemphylium herbarum; [as Pleospora herbarum]; Great Yarmouth; TG5006; Centaurea nigra; E.A. Ellis
07/08/1939 Puccinia calcitrapae; Wheatfen, Surlingham; TG3205; Centaurea nigra; E.A. Ellis
10/09/1939 Puccinia calcitrapae; Drayton; TG1913; Centaurea nigra; E.A. Ellis
28/09/1990 Puccinia hieracii; [as Puccinia hieracii var. hieracii]; Hoe Rough, Beetley; TF9716; Centaurea nigra; R.E. Evans; R.E. Evans
11/08/1994 Puccinia hieracii; [as Puccinia hieracii var. hieracii]; Little Massingham; TF7823; Centaurea nigra; R.E. Evans; R.E. Evans
21/05/2018 Pyrenopeziza adenostylidis; Hoveton Hall; TG313202; Centaurea nigra; dead stem; Stewart Wright; Stewart Wright
11/04/2019 Ramularia triboutiana; [as Ramularia centaureae]; Ashmanhaugh; TG317208; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
28/06/2019 Ramularia triboutiana; [as Ramularia centaureae]; Alderford Common; TG127184; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
05/07/2020 Puccinia calcitrapae; Repps-with-Bastwick; TG424176; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
26/07/2020 Puccinia calcitrapae; Filby; TG467133; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
13/08/2020 Puccinia calcitrapae; Ashmanhaugh; TG317208; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
30/09/2020 Puccinia calcitrapae; Cranwich Heath; TL775943; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
25/11/2020 Ramularia triboutiana; [as Ramularia centaureae]; Repps-with-Bastwick; TG415164; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
21/03/2021 Pyrenopeziza adenostylidis; Thurne; TG403158; Centaurea nigra; dead stem; Stewart Wright; Stewart Wright
22/07/2021 Ramularia triboutiana; Neatishead, Threehammer Common; TG344197; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
15/01/2022 Puccinia calcitrapae; Foxley Wood; TG0522; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
17/09/2022 Puccinia calcitrapae; Whitwell Common; TG088205; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
17/09/2022 Ramularia triboutiana; Whitwell Common; TG088205; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
16/10/2022 Puccinia calcitrapae; Blofield, Marty's Marsh; TG3308; Centaurea nigra; leaf, living; Stewart Wright; Stewart Wright
14/11/2022 Ramularia triboutiana; Foxley Wood; TG052228; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
03/05/2023 Bovista nigrescens; Repps-with-Bastwick; TG424176; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
03/05/2023 Ramularia triboutiana; Repps-with-Bastwick; TG424176; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
08/08/2023 Puccinia calcitrapae; Cranwich, Watermill Broad pits; TL775955; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
12/08/2023 Puccinia calcitrapae; Thompson Common; TL937964; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
02/09/2023 Bremia centaureae; Ketteringham, Ladybelt Country Park; TG1702; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright; "part of the B. lactucae complex"
02/09/2023 Puccinia calcitrapae; Ketteringham, Ladybelt Country Park; TG1702; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
27/09/2023 Puccinia calcitrapae; Foxley Wood; TG052228; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
07/10/2023 Puccinia calcitrapae; Catfield Hall Estate; TG3720; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
09/10/2023 Puccinia calcitrapae; Hoveton Hall; TG313202; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
04/11/2023 Puccinia calcitrapae; Caistor St. Edmund; TG2303; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
12/10/2024 Ramularia triboutiana; Norwich, Sweet Briar Marshes (East); TG2009; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
20/10/2024 Puccinia calcitrapae; Middle Harling Heath; TL985833; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
15/06/2025 Ramularia triboutiana; Roydon, Hudson's Fen; TF6922; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
18/07/2025 Ramularia triboutiana; Hoveton Hall; TG313202; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
03/08/2025 Golovinomyces montagnei; [as Erysiphe cichoracaerum]; Snettisham; TF682333; Centaurea nigra; live leaf; Keith Fox; Keith Fox
; Additional NotesOriginally recorded as Erysiphe cichoracaerum but Golovinomyces montagnei is regarded as specific to Centaurea

07/09/2025 Golovinomyces montagnei; Shouldham Warren; TF6710; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
07/09/2025 Puccinia calcitrapae; Shouldham Warren; TF6710; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
07/09/2025 Ramularia triboutiana; Shouldham Warren; TF6710; Centaurea nigra; live leaf; Stewart Wright; Stewart Wright
16/09/2025 Golovinomyces montagnei; West Acre; TF788132; Centaurea nigra; living leaf; Jeremy Bartlett; Jeremy Bartlett
16/09/2025 Puccinia calcitrapae; West Acre; TF788132; Centaurea nigra; living leaf; Jeremy Bartlett; Jeremy Bartlett
12/10/2025 Puccinia calcitrapae; Tacolneston Hall; TM139956; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
12/10/2025 Ramularia triboutiana; Tacolneston Hall; TM139956; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright
16/11/2025 Golovinomyces montagnei; Edingthorpe; TG323331; Centaurea nigra; living leaf; Stewart Wright; Stewart Wright

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