Petrified wood and dinosaur bones are fossilized by mineralization. Michael David Viney of Colorado State University’s Education and Outreach Centers is the creator and editor of The Virtual Petrified Wood Museum. He taught science in Colorado for 30 years and retired in 2017. He is an expert on petrified trees and his website has beautiful permineralized fossils.

Tree Fern
Guairea carnieri
Paraguay, South America
20 cm x 12.5 cm

The Anatomy of Arborescent Plant Life Through Time

Topics discussed in the link above:
Plant Tissues and Organs
Lycopods or Clubmosses
Progymnosperms- thought to be the ancestor in which all seed-bearing plants evolved
Gymnosperms “naked seeds” -bears seeds in cone-like structures
Cycads and Cycadeoids
Ginkgo or Maidenhair tree
Seed Ferns
Angiosperms -flowering plants
Dicots- have 2 seed leaves in each seed. Ex.) oak trees
Monocots- seed with a single seed leaf Ex.) palms

High-quality, identified petrified wood, agate, and plant fossils from around the globe.  Order from here:

Paleobotany Links of All Kinds!