Gymnosperms expanded and reached their greatest diversity during the Mesozoic era (approximately 240 million years ago), supplanting ferns in the landscape.

Authors

• Person: Not available Organization: LibreTexts
  5.9.1: Kingdom Plantae - Evolution and Phylogeny

Sources

• 5.9.1: Kingdom Plantae - Evolution and Phylogeny bio.libretexts.org LibreTexts via serper

Referenced by nodes (1)

• Gymnosperms concept