Llun: 1
Monknash stream and tributary falls

Waterfall on tufa stream, Polypody. Monknash. April 1976
Enw rhywogaeth Mary: Polypody
Enw gwyddonol: Polypodium

Dyddiad: April 1976

Llun: 2
Monknash stream and tributary falls

Winter-wet wood. Monknash Cwm. CampisXX on log. Harts tongue, mercury, cleavers, ivy. Tributary from West. January 1983
Enw rhywogaeth Mary: Mercury
Enw gwyddonol: Mercurialis perennis

Dyddiad: January 1983

Llun: 3
Cwm Nash tufa infill, Monknash

Cwm Nash. Tufa waterfalls, February 1976

Dyddiad: February 1976

Llun: 4
Cwm Nash tufa infill, Monknash

Blaen y Cwm, Monknash. Tufa in river. Celandines. May 1989
Enw rhywogaeth Mary: Celandine
Enw gwyddonol: Ranunculus ficaria
Enw cyffredin: Lesser Celandine

Dyddiad: May 1989