The Ginkgophyta are conifer-like seed plants with fan-shaped leaves. They reached their height of diversity and distribution in the Mesozoic Era. The division has one extant species, Ginkgo biloba, a dioecious tree which can live up to 1000 years, which probably originated about 250 million years ago.
Taxonomic information and botanical description for Class Ginkgoopsida, Order Ginkgoales, Family Ginkgoaceae, and Genus Ginkgo.
Illustrated discussion of the fossil record of ginkgos through the Tertiary.
Brief discussion of living and fossil ginkgos.
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