Cladonia incerta

Cladonia incerta is a species of fruticose lichen in the family Cladoniaceae. Found in New Zealand, it was formally described as a new species in 2003 by the lichenologist Samuel Hammer. He collected the type specimen near the Dome Forest walkway north of Warkworth. The species epithet incertain refers to the uncertain ontogeny (development) of the podetia, which take various forms.

The of Cladonia incerta is  (scaly) and can be either persistent or. The are elongated, somewhat incised, and can be  or esorediate, and erect. The podetia are tubular or flattened, elongated and sinuous, branched, or, , and can be esorediate, -, , or. They contain fumarprotocetraric acid.