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Bob, I agree with the identification and if you had posted it in 'Plants' you would have got more agreements.
Do you mean Parnassia palustris? Parnassius is a genus of butterflies.
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Yes, because I failed to select plants, the auto search name brought up Parnassia. I knew the correct name but thinking it referred to the plant genus, I picked wrong one.
Thanks for the correction.
Lat/Lng: 53.590658333333, -3.076695
OS grid ref: SD288109