Llun: 1
Pentwyn Reservoir Marsh on alluvium at head

Pentwn Reservoir as sheep pasture in 1976 drought. July

Dyddiad: July 1976

Llun: 2
Pentwyn Reservoir Marsh on alluvium at head

Pentwyn Reservoir, 6 weeks before end of 1976 drought

Dyddiad: 1976

Llun: 3
Pentwyn Reservoir Marsh on alluvium at head

Taf Fechan winds across Pentwyn Reservoir head marsh. From railway

Llun: 4
Pentwyn Reservoir Marsh on alluvium at head

View down Pentwyn from Foxglove flat at top. July 1971
Enw rhywogaeth Mary: Foxglove
Enw gwyddonol: Digitalis purpurea
Enw cyffredin: Foxglove

Dyddiad: July 1971

Llun: 5
Pentwyn Reservoir Marsh on alluvium at head

Pentwyn Reservoir from old Dol y Gaer railway. 13th July 1971

Dyddiad: 13/07/1971

Llun: 6
Pentwyn Reservoir Marsh on alluvium at head

Carex rostrata (front), Phalaris arundinacea. Pentwyn Reservoir, 1971
Enw rhywogaeth Mary: Phalaris arundinacea
Enw gwyddonol: Phalaris arundinacea
Enw cyffredin: Reed Canary-grass

Dyddiad: 1971