Nindethana can probably help you - they have a website - google them.

I believe they cater for exports and meet quarentine requirements.

Also please be aware of environmental weeds (google it also). While the Australian species you speak of are entirely benign in Australia, that may not be the case if they manage to escape into bushland or farmland in France, particularly the drier and warmer southern region.

For example, Australian Eucalypts are invasive in some parts of the USA.