The Scientific Name field uses the default (top-most) analysis writing system. However, you can use any writing system you have added to the language project.
In the Navigation Pane, click Lexicon, and then click Lexicon Edit.
In the Entries pane, click the desired entry.
In the Entry pane, if you cannot see the Scientific Name field in the desired sense, show hidden fields.
Click the Scientific Name field, and type the scientific name.
If necessary, use the Format toolbar to select a different writing system.