Dickwhitea

About

Dickwhitea is an extinct morphogenus of lady fern containing a single morphospecies Dickwhitea allenbyensis. The species is known from permineralized remains recovered from the Princeton Chert in British Columbia, Canada. Rhizomes of Dickwhitea are noted for having a sympodial vascular architecture notably similar to Ginkgo biloba and Sequoia sempervirens.

Summary from Wikipedia