Lichen for bioactive habitats and phasmids

Lichen can be used to feed phasmids and especially for Extatosoma tiaratum, commonly known as the spiny leaf insect, the giant prickly stick insect, Macleay's spectre, or the Australian walking stick, is a large species of Australian stick insect endemic to Australia. The species has the Phasmid Study Group number PSG9.

the lichen gives these the color 

• Use as a top dressing on potted plants to hide the soil
• Add to bouquets for a woodland feel
• Can be used in floral arrangements as a decorative addition
• Many uses for arts, crafts and home decor