and around Tasmania. Also New Zealand and South America.) Green tangleweed Chaetomorpha billardierii Kützing (Venus Bay, South Australia, to Walkerville, Victoria, and around Tasmania. Also New Zealand and South America.) Green brushweed Apjohnia laetevirens Harvey (Green Head, Western Australia, to Collaroy, New South Wales, and northern Tasmania.) Fereday's filamentweed Cladophora feredayi Harvey (Cottesloe, Western Australia, to Port Jackson, New South Wales, and around Tasmania. Also New Zealand and the Mediterranean.) Family Anadyomenaceae Green veinweed Struvea plumosa Sonder (Dongara, Western Australia, to Victor Harbor, South Australia.) Family Valoniaceae Liverwort seaweed Dictyosphaeria sericea Harvey (Rottnest Island, Western Australia, to Walkerville, Victoria, and northern Tasmania.) Family Codiaceae Bubble codium Codium ?megalophysum Silva (Busselton, Western Australia. Also South Africa.) Sea apple Codium pomoides J. Agardh (Esperance, Western Australia, to Walkerville, Victoria, and around Tasmania.) Encrusting codium Codium dimorphum Svedelius (Eastern Tasmania. Also New Zealand and Chile.) Green spongeweed Codium spongiosum Harvey (Albany, Western Australia, to Merimbula, New South Wales. Also Lord Howe Island and widespread overseas.) Wide-forked codium Codium cuneatum Setchell & Gardiner (Tropical Australia south to Jervis Bay, New South Wales. Also widespread overseas.) Forked codium Codium duthieae Silva (Champion Bay, Western Australia, to Walkerville, Victoria, and northern Tasmania. Also South Africa.) Harvey's codium Codium harveyi Silva (Shark Bay, Western Australia, to Lake Macquarie, New South Wales, and around Tasmania. Also New Zealand.) Southern codium Codium australicum Silva (Geographe Bay, Western Australia, to Tuggerah Lakes, New South Wales, and around Tasmania. Also New Zealand.) Velvet codium Codium fragile (Suringar) Hariot (Port Gawler, South Australia, to Ballina, New South Wales, and around Tasmania. Also widespread overseas.) Family Udoteaceae Green necklaceweed Halimeda cuneata Hering (Tropical Australia to Recherche Archipelago, Western Australia. Also southern Africa.) Neptune's shaving brush Penicillus nodulosus Blainville (Tropical Australia south to Rottnest Island, Western Australia. Also widespread in the Indo-West Pacific region.) Neptune's mat Rhipiliopsis peltata (J. Agardh) Gepp & Gepp (Canal Rocks, Western Australia, to Inverloch, Victoria.) Green seafan Avrainvillea clavatiramea Gepp & Gepp (Rottnest Island, Western Australia, to Port Phillip, Victoria.) Bushy seafan Callipsygma wilsonis J. Agardh (Kangaroo Island, South Australia, to Port Phillip, Victoria, and south to Musselroe Bay, Tasmania.) Family Caulerpaceae Serrated caulerpa Caulerpa scalpelliformis (R. Brown ex Turner) C. Agardh (Whitford Beach, Western Australia, to Jervis Bay, New South Wales, and around Tasmania.) Sawtooth caulerpa Caulerpa remotifolia Sonder (Gulf St Vincent, South Australia, to Westernport, Victoria, and south to Orford, Tasmania.) Invasive caulerpa Caulerpa taxifolia (Vahl) C.