Monday, 8 April 2013

Klebsormidium crenulatum - near Helwith Bridge

This wall is above the road from Helwith Bridge to Wharf and Austwick. The ridge of rock near the skyline is greywacke - a sort of metamorphosed sandstone.
I think this must be its most south-westerly occurrence.
The green alga on the stones in the wall is Klebsormidium crenualatum.   
Taken on 2nd Feb 2013

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