Pseudocyphellaria episticta

are host of

• Global Biotic Interactions: Normandina pulchella (Borrer) Nyl. (Elf Ears)

have host

• Global Biotic Interactions: Kunzea amathicola de Lange & Toelken
• Global Biotic Interactions: Cordyline australis (G. Forst.) Endl. (cabbage tree)