Cribraria
Cribraria is a genus of slime molds from the group of Myxogastria. It comprises about 30 species, some of which are extremely difficult to distinguish. Features. The fruiting bodies are usually pedunculated sporangia, a calyculus may be present or absent. The delicate peridium is reduced to a structure of vertical, thickened threads that are interconnected by extremely fine, translucent transverse threads. In some cases, however, the peridium may also appear like a net, as in " Cribraria " - species. Mostly dark, clearly visible dictydine granules are found especially close to the ribs of the peridia, the calyculus and the spores. Distribution . The genus is distributed worldwide, about two-thirds of the species are, however, [neotropic] ch. Many of their species are common in the respective distribution areas. Systematics and Research History. The genus was first described in 1794 by Christiaan Hendrik Persoon, type species is " Cribraria rufescens ". The genus includes at least 30 species, including: