Mesic Humisol (ME.H)
Common horizon sequence: Om or Oh, Oh, Om, Oh
Soils of this subgroup have the general properties specified for the Organic order and the Humisol great group. They differ from Typic Humisols by having a subdominant mesic layer thicker than 25 cm in the middle or bottom tiers. They lack a subdominant fibric layer below the surface tier.
Note: Diagnostic horizons are underlined.