Habitat: Bovine, Equine Dung and Enriched Soils
Climate: Subtropical
Cap: 65-90mm in diameter, convex to broadly convex to nearly plane at maturity. Brown maturing to golden brown to light yellow. Surface dry with fine persistent remnants of universal veil on cap (spots). Flesh white soon bruising bluish green.
Stem: 125+ mm in length, yellowish. Flesh bruising bluish green where injured. Persistent membranous annulus (ring) from partial veil that becomes dusted with purple brown spores at maturity.
Gills: Attachment adnate to adnexed. Grayish coloration in young fruit bodies becoming nearly black in maturity.
Spores: Dark purplish brown, subellipsoid on 4-spored basidia.
Strain Origins: Koh Samui Super Strain came from a prolific Koh Samui isolate. There is much debate over whether KSSS is actually a "Super Strain". Some people swear by it, some long for the original. Some think it is less varied in appearance than the original.