Sistotrema is a genus of fungi in the family Hydnaceae. The genus contains at least 55 species and has a worldwide distribution. The type species is Sistotrema confluens Pers..

Clavulina is a genus of fungus in the family Clavulinaceae, in the Cantharelloid clade. Species are characterized by having extensively branched fruit bodies, white spore prints, and bisterigmate basi