In a potato field that was fertilized with horse manure.
Spores ellipsoid, with a large germ pore which is 1.5 – 2 micrometers. 19 – 22 × 10.5 – 11.5.
21.6 × 11.4
21 × 10.5
20.2 × 11.1
19.6 × 11.7
19.5 × 10.6
Pleurocystidia irregularly clavate. Cheilocystidia not observed.