Plant with distinctive spiked leaves, seen in May. No flowers at that time of year.
No interactions present.
the garden form of Aconitum napellus subsp. napellus.
Lat/Lng: 54.1012, -2.1641
OS grid ref: SD893672
Plant was observed in the grounds of Malham Tarn House, which is next to Malham Tarn, in May, in a section of fairly neglected woodland.