to Coles Bay, Tasmania. Also Japan, China, New Zealand and France.) Family Notheiaceae Neptune's string Notheia anomala Harvey & Bailey (Albany, Western Australia, to Port Stephens (New South Wales), and around Tasmania. Also New Zealand.) Family Durvillaeaceae Bull kelp Durvillaea potatorum (Labillardière) Areschoug (Cape Jaffa, South Australia, to Bermagui, New South Wales, and western, southern and eastern Tasmania.) Family Hormosiraceae Neptune's necklace Hormosira banksii (Turner) Decaisne (Albany, Western Australia, to Arrawarra, New South Wales, and around Tasmania. Also New Zealand.) Branched daggerweed Xiphophora chondrophylla (R. Brown ex Turner) Montagne ex Harvey (Kangaroo Island, South Australia, to Walkerville, Victoria, and northern Tasmania. Also New Zealand.) Daggerweed Xiphophora gladiata (Labillardière) Montagne ex Kjellman (Western Port, Victoria, and eastern, western and southern Tasmania.) Family Seirococcaceae Crayweed Phyllospora comosa (Labillardière) C. Agardh (Robe, South Australia, to Port Macquarie, New South Wales, and around Tasmania.) Bristled crayweed Seirococcus axillaris (R. Brown ex Turner) Greville (Fishery Bay, South Australia, to Walkerville, Victoria, and around Tasmania.) Western crayweed Scytothalia dorycarpa (Turner) Greville (Geraldton, Western Australia, to Point Lonsdale, Victoria, and Georgetown, Tasmania.) Family Cystoseiraceae Flat-leafed seaweed Platythalia angustifolia Sonder (Geraldton to Cape Riche, Western Australia.) Sawtooth seaweed Platythalia quercifolia (R. Brown ex Turner) Sonder (Geraldton to Recherche Archipelago, Western Australia.) Three-node seaweed Cystoseira trinodis (Forsskål) C. Agardh (Tropical Australia south to Victor Harbor, South Australia, and to Lake Conjola, New South Wales. Also Dunalley, Tasmania, and widespread overseas.) Three corners Hormophysa cuneiformis (Gmelin) Silva (Tropical Australia south to Mandurah, Western Australia, and Port Stephens (New South Wales), and northern Spencer Gulf, South Australia. Also widespread in the Indo-West Pacific region.) Serrated myriodesma Myriodesma serrulatum (Lamouroux) Decaisne (Dongara to Cape Riche, Western Australia.) Oak-leaf myriodesma Myriodesma quercifolium (Bory) J. Agardh (Geraldton, Western Australia, to Port Elliott, South Australia.) Brown fingerweed Scaberia agardhii Greville (Houtman Abrolhos, Western Australia, to Sydney, New South Wales, and northern Tasmania. Also Lord Howe Island.) Succulent seaweed Carpoglossum confluens (R. Brown ex Turner) Kützing (Elliston, South Australia, to Walkerville, Victoria, and around Tasmania.) Flat-lobed cystophora Cystophora platylobium (Mertens) J. Agardh (Eucla, South Australia, to Sydney, New South Wales, and around Tasmania.) Zigzag cystophora Cystophora moniliformis (Esper) Womersley & Nizamuddin ex Womersley (Cape Naturaliste, Western Australia, to Port Stephens (New South Wales), and around Tasmania. Also Lord Howe Island.) Shore cystophora Cystophora intermedia J. Agardh (Point Sinclair, South Australia, to Portland, Victoria, and Hogan Island, Tasmania.) Greville's cystophora Cystophora grevillei (C. Agardh ex Sonder) J.