Table 4.

Species groups of Rosellinia sensuPetrini (2013) and their salient morphological features.

Species group	Conidiophore type	Ratio of ascospore length/width	Ascospore germ slit	Other characteristic features of asci/ascospores
Rosellinia aquila	Geniculosporum	<4	straight, spore length	cellular appendages, slimy caps and sheath mostly present
R. mammaeformis	Geniculosporum	<4	straight or diagonal, spore length to 2/3 spore length	cellular appendages, slimy caps and sheath mostly present
R. emergens	Geniculosporum	≥4	variable	cellular appendages, slimy caps and sheath mostly absent
R. mammoidea	Geniculosporum	<4	straight, mostly spore length	cellular appendages, slimy caps and sheath absent; usually smaller than 16 μm
R. necatrix	Dematophora	≥4	straight, short	cellular appendages absent, slimy sheath present
R. buxi	Dematophora	<4	straight, mostly spore length	cellular appendages absent, slimy caps or sheath present
R. thelena	Geniculosporum or Nodulisporium	<4	straight, mostly spore length	cellular appendages, slimy caps and sheath present