Jan Tilden: columnar basalt
Jan Tilden: Pieman River
Jan Tilden: Melaleuca ericifolia
Jan Tilden: rocks and grass
Jan Tilden: Sarcocornia
Jan Tilden: Top of the tide at Montagu
Jan Tilden: Woolnorth Point
Jan Tilden: Lichen on rocks
Jan Tilden: Lichen on rocks
Jan Tilden: Sarcocornia and pigface
Jan Tilden: beach rocks
Jan Tilden: Shags on rocks
Jan Tilden: Brick Island, Robbins Passage
Jan Tilden: As far north...
Jan Tilden: As far west...
Jan Tilden: arranged by nature
Jan Tilden: dried bull kelp
Jan Tilden: saltmarsh
Jan Tilden: Macroalga
Jan Tilden: Codium
Jan Tilden: Macroalga and seagrass
Jan Tilden: Hormosira
Jan Tilden: soldier crab burrowing
Jan Tilden: Canola
Jan Tilden: Correct response!
Jan Tilden: Dixon's kingdom hut
Jan Tilden: Walls of Jerusalem NP, Tasmania
Jan Tilden: Walls of Jerusalem NP, Tasmania