Sarah Sandlers art work deals with the pre-colonial biology in Australia

Why is this Marsilea Drummondii Sporocarp floating aimlessly in space? And what has it to do with pre-colonial biology in Australia? The work of artist Sarah Sandler might provied answers.
Sarah Sandler

3D-Animation as a part of the artwork
I Want To Smell The Smoke Of Your Burnt Gras by Sarah Sandler, 2018