CSSC Great Groups

Order: Organic

Great Group	Description
Folisol (BA) Subgroups	Organic soils that are formed primarily in upland organic (folic) materials, generally of forest origin, and are rarely saturated with water Full Description
Fibrisol (BB) Subgroups	Other Organic soils that are formed in relatively undecomposed organic materials and have a dominantly fibric middle tier Full Description
Mesisol (BC) Subgroups	Other Organic soils that are formed in organic materials, are in an intermediate stage of decomposition, and have a dominantly mesic middle tier Full Description
Humisol (BD) Subgroups	Other Organic soils that are formed in organic materials, are in an advanced stage of decomposition, and have a dominantly humic middle tier Full Description

Source: The Canadian System of Soil Classification, Third Edition. 1998.

Links:
CSSC > The CSSC Orders > The CSSC Great Groups