Llun: 1
Skokholm marine

Littoral zonation. Alaria, acorn barnacles, Porphyra, Herring gulls. Skomer's exposed west coast from boat. 8/7/1963. Note absence of Fucus evanescens XX West of Pigstone
Enw rhywogaeth Mary: Alaria
Enw gwyddonol: Alaria esculenta
Enw cyffredin: Dabberlocks

Dyddiad: 08/07/1963

Llun: 2
Skokholm marine

Littoral zonation on sheltered bracken coast west of North Haven. Fucus vesiculosus, Lichina pygmaea and Xanthoria. 1963. N.B. Fucus and barnacle zone coincide. Skomer.
Enw rhywogaeth Mary: Fucus vesiculosus
Enw gwyddonol: Fucus vesiculosus
Enw cyffredin: Popweed

Dyddiad: 1963