a. | Veil with one kind of elements, sausage-shaped in chaines; pileus up to 30 mm when expanded; number of lamellae > 35; spores 8.4-11.8 x 5.8-7.8 µm: C. cinereus |
b. | Veil with two kinds of elements; pileus up to 12 mm when expanded; number of lamellae < 30; spores 7.3-10.7 x 4.8-7.2 µm: C. candidolanatus |