Mesic Fibrisol (ME.F)
Common horizon sequence: Of or Om, Of, Om, Of
Soils of this subgroup have the general properties specified for the Organic order and the Fibrisol great group. They differ from Typic Fibrisols by having a subdominant mesic layer (thicker than 25 cm) in the middle or bottom tier. The control section lacks terric, hydric, cumulic, or limnic layers.
Note: Diagnostic horizons are underlined.