Waste ground - Atriplex but unsure which
No interactions present.
Not a plant I'm familiar with but the leafy flower spike and the shape of the green matt leaves could make it this: however I'll await the opinion of someone with more knowledge.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Lat/Lng: 52.2087, -2.2062
OS grid ref: SO860567