search google and this website:
AUSTRALASIAN Temperate Ocean
The plants and plant-y things under the waters of the southern temperate oceans of New Zealand and southern Australia...
Class Phaeophyceae: Brown Algae
Order Laminariales: Kelps
Ecklonia radiata 'Common Kelp' (Rottnest Island). Can form dense underwater forests. Found from shallow waters down to 25 metres. Widespread in temperate waters of southern hemisphere.
Posidonia sp. 'Strapweed' (Rottnest Island). A group of seagrass with a disjunct distribution; they are found in the Mediterranean and in southern Australian waters.
Well it looks like my first trip after the virus will be the Great Barrier Reef (where I started!) with Coral Expeditions.....I hope. If you can't go travelling until everything settles down, then until then, here I am doing online guided walks for Noble Caledonia and online lectures for Silversea.