ENDescription
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Journ. des Orchid.". If the same subject occurs on a page with "Journ. des Orchid." more than once, it appears closer to "Journ. des Orchid." on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.