Picture taken on the 11th April 2008 at Targasona, Orietnal Pyrenees, France, on the top of a wall, with some soil on it.
Some isolated individual of this species is difficult to separate from Cladonia glauca and Cladonia subulata. It is necessary to see a group to make a determination.
See Pag. 156 of K, Herk and A. Aptrrot book Velgids Korstmossen.