Sequoiadendron

Sequoiadendron; Temporal range:
	Trees in Sequoia National Park
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Gymnospermae
Division:	Pinophyta
Class:	Pinopsida
Order:	Cupressales
Family:	Cupressaceae
Subfamily:	Sequoioideae
Genus:	Sequoiadendron; J.Buchholz
Type species
	Sequoiadendron giganteum; (Lindley) J.Buchholz
Species
	S. giganteum (Lindl.) J.Buchholz; †S. chaneyi; †S. tchucoticum;
Synonyms
	Sequoiadendron synonymy Americus ; Hanford, rejected name ; Steinhauera C.Presl 1838, not Goepp. 1835 (Altingiaceae) ; Washingtonia Winslow 1854, rejected name, not H. Wendl. 1879 (Arecaceae) not Raf. ex J.M. Coult. & Rose 1900 (Apiaceae) ; Wellingtonia Lindl. 1853, illegitimate homonym, not Meisn. 1840 (Sabiaceae) ;

Sequoiadendron is a genus of evergreen trees, with two species, only one of which survives to the present:^[1]

Sequoiadendron giganteum, extant, commonly known as wellingtonia, giant redwood and giant sequoia,^[2] growing naturally in the Sierra Nevada mountains of California^[3]
† Sequoiadendron chaneyi, extinct, the predecessor of Sequoiadendron giganteum, found mostly in the Nevada part of the Tertiary Colorado Plateau until the late Miocene^[4]