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4.5. Species alpha code

On MAPS sheets, this field is the four-character code based on the English name. For valid codes, see Section 2.1, “MAPS species code authority file (2004)” or Section 2.2, “MAPS species code authority file (1998)”.

On MAWS sheets, it is the six-character code based on the scientific name. For valid codes, see Section 2.3, “MAWS species code authority file”.