Cap 4.5 - 15.5 cm across. Context bitter. Spores 12.25 - 15 x 4.75 - 5 um. Spores in KOH at 400x.
Irregular spines underneath. Growing under conifers. Odor not distinct. Spores globose, with spines up to 1 um long, 5.5 - 7.5 um in diameter.
Found at the same location as observation 88176499.
Can’t really tell from pics, but these are HUGE. 45cm (18”) across at minimum.
On decaying Veratrum californicum.
All parts inamyloid. Spores measure (16) 18.5 – 19.15 (19.2) × (7) 7.7 – 9 µm
Q = (2.1) 2.12 – 2.4 (2.5) ; N = 6
Me = 18.4 × 8.2 µm ; Qe = 2.3
15.99 7.02
18.96 7.68
18.49 8.98
19.17 8.24
19.15 9.03
18.79 7.99