Pontsticill Reservoir, Merthyr Tydfil: Plant/tree & Water Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Lisvane, Cardiff: Plant/tree Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Pysgodlyn Mawr, Hensol Forest: Invertebrate & Rosa Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Caer Llan, Monmouthsire: Invertebrate & Rosa Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
