Cyphellostereum brasiliense is a species of basidiolichen in the family Hygrophoraceae.

Found in Brazil, it was formally described as a new species in 2010 by Norwegian mycologist Leif Ryvarden.

The type specimen was collected in São Paulo, where it was found growing on dead mosses.

The species has a rounded to slightly spoon-shaped cap, and club-shaped basidia measuring 18–25 by 5–6 μm with oblong to ellipsoid basidiospores measuring 7–8 by 3.5–4.5 μm.

This Hygrophoraceae article is a stub.