Sombric Ferro-Humic Podzol (SM.FHP)
Common horizon sequence: LFH or O, Ah, Ae, Bhf, Bf, BC, C
These soils have the general properties specified for the Podzolic order and the Ferro-Humic Podzol great group. They differ from Orthic Ferro-Humic Podzols by having an Ah horizon at least 10 cm thick.
Usually Sombric Ferro-Humic Podzols have L, F, and H or O horizons and may have an Ae horizon but do not have ortstein, placic, duric, or Bt horizons, a fragipan, or distinct or prominent mottles that indicate gleying.
Note: Diagnostic horizons are underlined.