This appears to be the unspotted variety.
No interactions present.
We do not see much of the spotted variety around here but I found a small patch yesterday :)
Funnily enough on my patch there is quite a lot of the spotted variety, its probably in the majority.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
The distribution of the spotted and unspotted leaf forms (var. immaculatum) has
been investigated by Pethybridge (1903) who gives the following results.
Sussex : 99 % unspotted
Hereford: 5 : 1 unspotted to spotted
Lincoln: 92 % unspotted
Northumberland : 90 % unspotted
Ireland: 500 : 1 unspotted to spotted
There some more recent information in Sowter (1949) as shown on map.
Lat/Lng: 51.2, -1.0
OS grid ref: SU7451