Sequoiadendron giganteum vs Sierra redwood

Sequoiadendron giganteum and Sierra redwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sequoiadendron giganteum	Yes	No	No	No
Sierra redwood	Yes	No	No	No

As nouns, Sequoiadendron giganteum and Sierra redwood are synonyms defined as:

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

Other synonyms of Sequoiadendron giganteum include big tree, giant sequoia, Sequoia gigantea, Sequoia Wellingtonia.

Sequoiadendron giganteum (noun)	Sierra redwood (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