Taxodium dubium

Taxodium dubium; Temporal range:
	Fossil branchlets from Germany
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Gymnospermae
Division:	Pinophyta
Class:	Pinopsida
Order:	Cupressales
Family:	Cupressaceae
Genus:	Taxodium
Species:	†T. dubium
Binomial name
	†Taxodium dubium; (Sternb.) Heer
Synonyms
	Phyllites dubius Sternberg (type); T. crassum Hollick; T. distichum miocenicum Heer; T. dubium longifolium Massalongo;

Taxodium dubium is an extinct species of cypress in the genus Taxodium in the family Cupressaceae which lived from the Late Paleocene to the Pliocene in North America and Europe. The species was first described in 1823 by Kaspar Maria von Sternberg.