I started with a yard of PFD cotton fabric and painted greens, browns and a touch of red across the whole surface of the fabric. My all time favorite fabric paints are made by Setacolor diluted with a little water.
I picked some large ferns and laid them on top of the wet fabric. The ferns had firm round stems so I ended up pinning them here and there to “assist” them in laying flat. I added some Kosher salt around the edges to help the paint migrate and left the piece in the sun until dry.