In this new series of Fungal Biodiversity Profiles, the authors describe seven new Russulales: five new species of Lactarius subg. Russularia and two new Russulas: descriptions and ITS sequences are provided for L. aurantiobrunneus X.H. Wang, sp. nov., L. collybioides X.H. Wang, sp. nov., L. exilis X.H. Wang, sp. nov., L. flaviaquosus X.H. Wang, sp. nov., and L. resinosus X.H. Wang, sp. nov., from China, as well as for Russula clavatohyphata R.P. Bhatt, A. Ghosh, Buyck & K. Das, sp. nov., from Indian Himalaya, and R. capillaris Buyck, sp. nov., from Madagascar. In addition, first ITS sequences are provided for several specimens of the North American R. burlinghamiae Singer. Two bamboo-inhabiting species are described from Asia: Serpula dendrocalami C.L. Zhao, sp. nov., in Boletales, is described from China, while Hymenochaete sharmae Hembrom, K. Das & A. Parihar, sp. nov., in Hymenochaetales, is described from India. Finally, in Agaricales, Laccaria indohimalayana K. Das, I. Bera & Vizzini, sp. nov., is described from Indian Himalaya.
Agaricales, Boletales, Hymenochaetales, Russulales, espèces nouvelles.