Calostoma cinnabarinum
English: Prettymouths
Members: 29 species.
Clades: Calostomataceae; Sclerodermatineae.
Region: worldwide, eastern North America, Asia, Australasia.
Habitat: deciduous, temperate, tropical or subtropical forests.
Mycology
Fungus; gasteroid; enclosed spore-bearing structures; symbiotic; ectomycorrhizal with oak.
Fruit body: bright orange to red; round; gelatinous puffballs on thick stalks; openings resemble lips.
Taxonomy
Calostoma has historically led to various classification schemes to other puffball or stomach mushrooms. Phylogenetic analyses show the genus to be evolutionarily related to the Bolete mushrooms.