Leader: Mark Lawley

Meet in the car park in the village of Llangynog, Montgomeryshire (SJ 053262), from where we will examine disused quarries and nearby cliffs.  Coscinodon cribrosus, Grimmia montana and Schistidium confertum grow nearby, with the liverwort Gymnomitrion obtusum on the cliffs of Craig Rhiwarth.