How many places in Australia are called Mushroom Island?

There is one place named Mushroom Island in Australia.

All places in the world called "Mushroom Island".

Location Mushroom Island:

• Western Australia

Cities

Hamilton (5)
Kingston (5)
Gladstone (5)
Cremorne (4)
Springfield (4)
Darlington (4)
Woodstock (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Broughton (3)
Donnybrook (3)
Greenmount (3)
Laura (3)
Lyndhurst (3)
Mount Pleasant (3)
Oakwood (3)
Seymour (3)
Stonehenge (3)
Windermere (3)
Alberton (3)
Mangalore (3)
Scarborough (3)
Southern Cross (3)
Apsley (3)
Campbelltown (3)
Waratah (3)
Belmont (3)