Epipedons

Anthropic
human altered or transported material; may contain artifacts like litter or ag practice leftovers
Folistic
consists of O matter, usually in cool humid regions; saturated <30 days (cum.)
Histic
consists of O matter (peat or muck); reduction due to saturation >30 days (bogs and moors; waterlogged)
Melanic
thick, dark with high O matter content; low bulk density and high anion absorption capacity
Mollic
loamy VF sand or finer; relatively thick, dark, humus-rich;
Munsell colors: 3 or less moist, 5 or less dry, chroma 3 or less
Ochric
miscellaneous (often higher Munsell color values)
Plaggen
human made by long-continued manuring; can be black or brown; can contain artifacts
Umbric
relatively thick, dark, humus-rich; like mollic but <50% base saturation (NH4OAc); can have toxicity from Al; low in Ca, Mg, and K