a. | Veil white, often cream-coloured or slightly ochraceous at centre of pileus; spores ± 6-angular in frontal view, c. 5-6 µm broad; with two bumps at each side: C. iocularis |
b. | Veil at centre of pileus dark grey, usually with greenish hue; spores narrowly ovoid or amygdaliform, c. 4-5 µm broad: C. coniophorus |