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

Holcus lanatus
Holcus lanatus (Yorkshire Fog)

Associations List

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Acle, Roman Wood TG407104Arminghall, churchyard TG252043Ashmanhaugh TG317208Ashwellthorpe Lower Wood TM1397Blofield, Marty's Marsh TG3309Brancaster, Barrow Common TF790430Bridgham, Stonehouse Farm TL9585Brisley TF955219Brockdish TM212799Castle Acre TF831164Cranwich, Watermill Broad pits TL775955Dersingham, Open Common TF686297Dunston, churchyard TG228022East Ruston, churchyard TG364286Hellesdon TG2111Heydon Hall TG1127Hickling Broad TG4122Holme Dunes TF7044Holt Lowes TG0837Horning TG354165Horsey Warren TG4624Hoveton Hall TG313202How Hill (Ludham) TG3719Ickburgh TL820967Ingoldisthorpe TF690332Little Plumstead TG306108Lynford Arboretum & Picnic site TL8294New Costessey TG1710North Wootton TF648244Norwich city TG206082Norwich, Bluebell Allotments (North) TG204081Norwich, Earlham Cemetery East TG212088Norwich, Earlham Cemetery West TG2008Norwich, Earlham Road TG210085Norwich, Sweet Briar Marshes (East) TG207098Norwich, Sweet Briar Marshes (West) TG202097Ringstead, Courtyard Farm TF724413Sandringham Estate TF690290Scolt Head Island TF8246Sculthorpe Moor (Hawk & Owl Trust) TF896303Sedgeford TF712364Snettisham, Ken Hill Estate TF676349South Walsham TG3613Sutton TG388239Sutton Fen TG3723Tacolneston Hall TM1395Thrigby Hall TG461123Thursford, Brett's Wood TF9632Weeting Heath TL7588West Newton TF686272Westwick, churchyard TG286259Wheatfen, Surlingham TG3205Whitwell Common TG0820

Summary

69 records of 11 different species from 53 different sites
Years (# of records): 1935 (1) 1939 (3) 1940 (2) 1941 (2) 1945 (1) 1950 (1) 1951 (1) 2016 (1) 2019 (2) 2020 (3) 2021 (4) 2022 (8) 2023 (3) 2024 (22) 2025 (15)
Months: JFMAMJJASOND

Fungal Taxa associated with Holcus lanatus (11)

Blumeria graminicola (1 record)
Claviceps purpurea (1 record)
Coprinopsis urticicola (2 records)
Epichloe clarkii (19 records)
Lidophia graminis (1 record)
Phyllachora graminis (1 record)
Puccinia coronata (39 records)
Puccinia graminis (1 record)
Puccinia striiformis (1 record)
Pyrenophora biseptata (1 record)
Ustilago striiformis (2 records)

Record Details

25/07/1935 Epichloe clarkii; [as Epichloe typhina]; Wheatfen, Surlingham; TG3205; Holcus lanatus; E.A. Ellis
; Additional NotesOriginally recorded as Epichloe typhina but Epichloe clarkii regarded as specific to Holcus lanatus

09/06/1939 Lidophia graminis; Wheatfen, Surlingham; TG3205; Holcus lanatus; E.A. Ellis
07/08/1939 Puccinia coronata; Wheatfen, Surlingham; TG3205; Holcus lanatus; E.A. Ellis; E.A. Ellis
10/08/1939 Puccinia striiformis; [as Puccinia striiformis var. striiformis]; Horsey Warren; TG4624; Holcus lanatus; E.A. Ellis; E.A. Ellis
06/07/1940 Epichloe clarkii; [as Epichloe typhina]; New Costessey; TG1710; Holcus lanatus; E.A. Ellis
; Additional NotesOriginally recorded as Epichloe typhina but Epichloe clarkii regarded as specific to Holcus lanatus

22/09/1940 Puccinia coronata; Wheatfen, Surlingham; TG3205; Holcus lanatus; E.A. Ellis; E.A. Ellis
22/06/1941 Epichloe clarkii; [as Epichloe typhina]; Hellesdon; TG2111; Holcus lanatus; E.A. Ellis
; Additional NotesOriginally recorded as Epichloe typhina but Epichloe clarkii regarded as specific to Holcus lanatus

29/06/1941 Ustilago striiformis; Wheatfen, Surlingham; TG3205; Holcus lanatus; E.A. Ellis; E.A. Ellis
16/07/1945 Epichloe clarkii; [as Epichloe typhina]; Hickling Broad; TG4122; Holcus lanatus; E.A. Ellis
; Additional NotesOriginally recorded as Epichloe typhina but Epichloe clarkii regarded as specific to Holcus lanatus

29/05/1950 Ustilago striiformis; Wheatfen, Surlingham; TG3205; Holcus lanatus; E.A. Ellis; E.A. Ellis
09/08/1951 Epichloe clarkii; [as Epichloe typhina]; Scolt Head Island; TF8246; Holcus lanatus; E.A. Ellis
; Additional NotesOriginally recorded as Epichloe typhina but Epichloe clarkii regarded as specific to Holcus lanatus

12/09/2016 Puccinia coronata; Thursford, Brett's Wood; TF9632; Holcus lanatus; live leaf; foray; Tony Leech
08/09/2019 Puccinia coronata; Heydon Hall; TG1127; Holcus lanatus; Gill Judd; Stewart Wright
21/09/2019 Puccinia coronata; Weeting Heath; TL7588; Holcus lanatus; Chris Preston; Chris Preston
07/07/2020 Epichloe clarkii; Holme Dunes; TF717449; Holcus lanatus; Keith Fox; Keith Fox
29/07/2020 Epichloe clarkii; Acle, Roman Wood; TG407104; Holcus lanatus; stem; Yvonne Mynett; Yvonne Mynett
07/08/2020 Puccinia coronata; Sedgeford; TF712364; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly
15/05/2021 Epichloe clarkii; Ashwellthorpe Lower Wood; TM1397; Holcus lanatus; Yvonne Mynett; Yvonne Mynett
14/08/2021 Epichloe clarkii; Whitwell Common; TG0820; Holcus lanatus; Vicky Rusby; Vicky Rusby
02/09/2021 Puccinia coronata; Ashmanhaugh; TG317208; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
07/09/2021 Puccinia graminis; Norwich, Earlham Cemetery East; TG212088; Holcus lanatus; living leaf; Ian Senior; Ian Senior
30/03/2022 Puccinia coronata; Sedgeford; TF712365; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly
26/04/2022 Blumeria graminicola; [as Blumeria graminis]; Norwich, Earlham Cemetery West; TG2008; Holcus lanatus; living leaf; Ian Senior; Ian Senior; Lit. cited: 257
; Additional NotesOriginally recorded as Blumeria graminis but Blumeria graminicola regarded as specific to Holcus lanatus

12/06/2022 Epichloe clarkii; Blofield, Marty's Marsh; TG3309; Holcus lanatus; stem; Stewart Wright; Stewart Wright
14/06/2022 Epichloe clarkii; Norwich, Sweet Briar Marshes (West); TG202097; Holcus lanatus; living leaf; Ian Senior; Ian Senior; "Recorded as Epichloe typhina subsp. clarkii"
15/06/2022 Epichloe clarkii; Castle Acre; TF831164; Holcus lanatus; stem; Keith Fox; Keith Fox; "Recorded as Epichloe typhina clarkii"
19/06/2022 Epichloe clarkii; Ingoldisthorpe; TF690332; Holcus lanatus; live stem; Keith Fox; Keith Fox; "Recorded as Epichloe typhina clarkii"
02/07/2022 Epichloe clarkii; Cranwich, Watermill Broad pits; TL775955; Holcus lanatus; grass stem; Ian Senior; Ian Senior
21/08/2022 Puccinia coronata; Brisley; TF955219; Holcus lanatus; Robert Yaxley
13/06/2023 Epichloe clarkii; [as Epichloe typhina]; Sculthorpe Moor (Hawk & Owl Trust); TF896303; Holcus lanatus; living leaf; Keith Fox; Keith Fox
; Additional NotesOriginally recorded as Epichloe typhina but Epichloe clarkii regarded as specific to Holcus lanatus

25/07/2023 Epichloe clarkii; North Wootton; TF648244; Holcus lanatus; living leaf; Keith Redhead; Keith Redhead
23/09/2023 Puccinia coronata; Thrigby Hall; TG461123; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
21/04/2024 Puccinia coronata; Tacolneston Hall; TM1395; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
24/05/2024 Epichloe clarkii; Holme Dunes; TF7044; Holcus lanatus; live stem; Keith Fox; Keith Fox
05/06/2024 Puccinia coronata; Norwich, Bluebell Allotments (North); TG204081; Holcus lanatus; living leaf; Jeremy Bartlett; Jeremy Bartlett
15/06/2024 Epichloe clarkii; Ickburgh; TL820967; Holcus lanatus; living stem; Ian Senior; Ian Senior
16/06/2024 Puccinia coronata; Sutton Fen; TG3723; Holcus lanatus; live leaf; Stewart Wright; Stewart Wright
13/07/2024 Puccinia coronata; How Hill (Ludham); TG3719; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
20/07/2024 Puccinia coronata; Sedgeford; TF712365; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly; "Stage ll spores examined"
22/07/2024 Pyrenophora biseptata; Hoveton Hall; TG313202; Holcus lanatus; dead inflorescence; Stewart Wright; Stewart Wright
31/07/2024 Epichloe clarkii; Norwich, Earlham Road; TG210085; Holcus lanatus; living leaves; Ian Senior; Ian Senior
03/08/2024 Puccinia coronata; Dersingham, Open Common; TF686297; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly; "Stage ll spores examined"
07/08/2024 Puccinia coronata; Snettisham, Ken Hill Estate; TF676349; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly
11/08/2024 Puccinia coronata; Sandringham Estate; TF690290; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly; "Stage ll spores examined"
18/08/2024 Puccinia coronata; Little Plumstead; TG306108; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
19/08/2024 Puccinia coronata; Brancaster, Barrow Common; TF790430; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly
25/08/2024 Puccinia coronata; West Newton; TF686272; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly
01/09/2024 Puccinia coronata; Norwich city; TG206082; Holcus lanatus; living leaf; Jeremy Bartlett; Jeremy Bartlett
01/09/2024 Puccinia coronata; Ringstead, Courtyard Farm; TF724413; Holcus lanatus; living leaf; Jenny Kelly; Jenny Kelly; "Stage ll spores examined"
03/09/2024 Puccinia coronata; Norwich, Sweet Briar Marshes (East); TG207098; Holcus lanatus; living leaf; Jeremy Bartlett; Jeremy Bartlett
08/09/2024 Puccinia coronata; Lynford Arboretum & Picnic site; TL8294; Holcus lanatus; live leaf; Jenny Kelly; Stewart Wright
21/09/2024 Puccinia coronata; Holt Lowes; TG0837; Holcus lanatus; live leaf; Stewart Wright; Stewart Wright
20/10/2024 Puccinia coronata; Bridgham, Stonehouse Farm; TL9585; Holcus lanatus; live leaf; Stewart Wright; Stewart Wright
17/11/2024 Puccinia coronata; South Walsham; TG3613; Holcus lanatus; live leaf; Stewart Wright; Stewart Wright
18/07/2025 Puccinia coronata; Hoveton Hall; TG313202; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
02/08/2025 Claviceps purpurea; Norwich, Sweet Briar Marshes (East); TG208099; Holcus lanatus; seed head; Yvonne Mynett; Yvonne Mynett
02/08/2025 Coprinopsis urticicola; Norwich, Sweet Briar Marshes (East); TG208099; Holcus lanatus; dead stems; Yvonne Mynett; Yvonne Mynett
12/08/2025 Puccinia coronata; Brockdish; TM212799; Holcus lanatus; living leaf; Jeremy Bartlett; Jeremy Bartlett
17/08/2025 Puccinia coronata; Westwick, churchyard; TG286259; Holcus lanatus; living leaf; Jeremy Bartlett; Jeremy Bartlett
17/08/2025 Puccinia coronata; East Ruston, churchyard; TG364286; Holcus lanatus; living leaf; Jeremy Bartlett; Jeremy Bartlett
21/08/2025 Puccinia coronata; Sandringham Estate; TF696285; Holcus lanatus; living leaf; Keith Fox; Keith Fox
27/08/2025 Puccinia coronata; Arminghall, churchyard; TG252043; Holcus lanatus; living leaf; Jeremy Bartlett; Jeremy Bartlett
02/09/2025 Puccinia coronata; Dunston, churchyard; TG228022; Holcus lanatus; living leaf; Jeremy Bartlett; Jeremy Bartlett
04/09/2025 Coprinopsis urticicola; Norwich, Sweet Briar Marshes (East); TG208099; Holcus lanatus; dead stems; Jeremy Bartlett; Jeremy Bartlett
12/10/2025 Puccinia coronata; Tacolneston Hall; TM139956; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
16/10/2025 Phyllachora graminis; Horning; TG354165; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
16/10/2025 Puccinia coronata; Horning; TG354165; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright
18/10/2025 Puccinia coronata; Norwich, Sweet Briar Marshes (East); TG208098; Holcus lanatus; living leaf; Graham Moates; Jeremy Bartlett
12/11/2025 Puccinia coronata; Sutton; TG388239; Holcus lanatus; living leaf; Stewart Wright; Stewart Wright

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