"Rod Craddock" wrote in
:

I wonder if anybody knows what this is please?

http://myweb.tiscali.co.uk/rodsgarden/DSC_0019-2.jpg

Wettish acid mountain grassland about 500m asl nr Llanberis -
North Wales

I would start out with a guess that it is either a Lycopodium or a
Selaginella, or some relative of one.

Armed with those suspicions, I poked around the internet and found
this image. http://www.plant-
identification.co.uk/skye/lycopodiaceae/diphasiastrum-alpinum.htm
which looks a lot like your specimen.

Sean