Phylum: Mycetozoa Family: Ceratiomyxaceae
Ceratiomyxa fruticulosa (O.F. Müll.) T. Macbr.
Unlike other myxomcetes, these consist of a series of erect, simple or branched columns taking the form of a poroid or effused crust. Growing up to 4 mm high and forming extensive sheets - The Hidden Forest
Website: The Hidden Forest