Peter Crawley's stitched illustration "January". Would make great homemade art with a canvas and sawing machine.
DIY Embroidered watercolour
Not mushrooms but just as awesome! Moss embroideries.
Artist Danielle Clough Embroiders On Old Tennis Rackets
Marigold + Mars is hand embroidery by Cristin Morgan. Her colorful hoop art is centered around lettering and flowers, often combining them into one piece.
The Unbroken Thread - blog on Embroidery & Inspiration
This textile sample explored the technique of cutouts. It uses a binding border on the outside of the cutout for the raw edges to be concealed but also draws attention around the cutout as it is on a semi transparent surface
Textileria: 96 embroidery samples
Ernest Hope - Framed Embroideries - embroider on vintage doilies