By default, a carriage return from a taxon record in the Taxon Name panel will create a new text box for a heterotypic synonym, as detailed above. Homotypic synonyms can be added using a drop-down menu:
Another text box will appear in the Taxon Name panel, below that of the root taxon/accepted name for which you are entering a synonym. You will notice the homotypic synonym icon of (º) inside a blue circle:
4. Enter the name of the synonym.
5. Save the synonym (see Saving Synonyms below).