Tongwynlais: Invertebrate & Diptera Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Tongwynlais: Plant/tree & Diptera Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Merthyr Mawr: Invertebrate & Diptera Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Candleston Burrows: Invertebrate & Diptera Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Garth Isaf, Little Garth, Gwaelod y Garth: Invertebrate & Diptera Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
