A new basidiomycete, Clavulina mollis , is described based on morphological features and DNA sequence analyses. This fungus, collected in Yunnan Province, China, is characterized by its coralloid basidiomata growing in caespitose clusters, branching two to five times, polychotomous toward the apices and irregularly dichotomous to polychotomous at the base; a monomitic hyphal system with clamped generative hyphae; pale yellow,...