The ranking of the principal qualifiers reflects major subdivisions of the respective RSG or properties strongly influencing the soil's functionality.
* Supplementary qualifiers describe additional characteristics and are not ranked.

Qualifiers may be principal for some RSGs and supplementary for others. The names of the RSGs and the qualifiers start with capital letters. They must be given in English and must not be translated into any other language in order to guarantee that a certain soil has the same name all over the