Recording and general meeting to explore the Afon Mwyro valley mires, where there is Cirsium dissectum (Meadow Thistle) and Wahlenbergia hederacea (Ivy-leaved Bellflower) etc. For more energetic members of the party, Llyn Gynon has Luronium natans (Floating Water-plantain), Nitella gracilis (Slender Stonewort) and historical Pilularia globulifera (Pillwort) etc.