Sombric Humo-Ferric Podzol (SM.HFP)
Common horizon sequence: LFH, Ah, Ae, Bf, BC, C
These soils have the general properties specified for the Podzolic order and the Humo-Ferric Podzol great group. They differ from Orthic Humo-Ferric Podzols by having an Ah horizon at least 10 cm thick.
Usually Sombric Humo-Ferric Podzols have L, F, and H horizons and may have an Ae horizon. They have neither ortstein, placic, duric, nor Bt horizons, nor a fragipan, nor distinct or prominent mottles that indicate gleying.
Note: Diagnostic horizons are underlined.