Letter Code Lookup Table for Position of Taxa within the Keys to Soil Taxonomy (13th Edition)

A lookup table mapping unique taxonomic Order, Suborder, Great Group and Subgroups to letter codes that denote their logical position within the Keys.

Usage

data(ST_higher_taxa_codes_13th)

Format

An object of class data.frame with 3153 rows and 2 columns.

References

Soil Survey Staff. 2022. Keys to Soil Taxonomy, 13th ed. USDA-Natural Resources Conservation Service. https://www.nrcs.usda.gov/resources/guides-and-instructions/keys-to-soil-taxonomy