Found growing near the rice paddies of Vietnam this strain is a great study!
Cap: 50 mm in diameter, obtusely conic to hemispheric. Yellowish brown maturing to light yellow. Surface dry with few remnants of universal veil on cap (spots). Flesh white soon bruising bluish green. Spores: Dark purplish brown, subellipsoid on 4-spored basidia
*For microscopy research only and not available in the US states: California, Georgia or Idaho.