List of tree genera

The major tree genera are listed below by taxonomic family.
Flowering plants (Magnoliophyta; angiosperms).
For classification of flowering plants, see APG II system.
Eudicots (together with magnoliids they are called broadleaf or hardwood trees).
About 210 eudicot families include trees.
Monocotyledons (Liliopsida).
About 10 Monocotyledon families include trees.
Magnoliids (together with eudicots they are called broadleaf or hardwood trees).
17 magnoliid families include trees.
Conifers (Pinophyta; softwood trees).
7 families, all of them include trees.
Ginkgos (Ginkgophyta).
Only one species.
Cycads (Cycadophyta).
2 families include trees.