As of writing this manual, the most recent genetic studies have placed Ginkgos as the oldest of the extant gymnosperms. Make notes and drawings of features that would help you recognize this species i...As of writing this manual, the most recent genetic studies have placed Ginkgos as the oldest of the extant gymnosperms. Make notes and drawings of features that would help you recognize this species in the space below: Though their large, compound leaves make them appear to be ferns at first glance, cycads can be classified as gymnosperms by the production of seeds instead of spores and xerophytic leaves.