Sequoia Wellingtonia vs Sequoiadendron giganteum

Sequoia Wellingtonia and Sequoiadendron giganteum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sequoia Wellingtonia	Yes	No	No	No
Sequoiadendron giganteum	Yes	No	No	No

As nouns, Sequoia Wellingtonia and Sequoiadendron giganteum are synonyms defined as:

Sequoia Wellingtonia and Sequoiadendron giganteum: extremely lofty evergreen of southern end of western foothills of Sierra Nevada in California; largest living organism

Other synonyms of Sequoia Wellingtonia include big tree, giant sequoia, Sequoia gigantea, Sierra redwood.

Sequoia Wellingtonia (noun)	Sequoiadendron giganteum (noun)
extremely lofty evergreen of southern end of western foothills of Sierra Nevada in California; largest living organism	extremely lofty evergreen of southern end of western foothills of Sierra Nevada in California; largest living organism