What is the scientific name for and evergreen plant?

Sempervirens is the Latin Word for evergreen, but here are some specific names in Latin for some evergreen trees:

White Pine

Pinus strobus

Norway Spruce

Picea abies

Serbian Spruce

Picea omorika

Colorado Blue Spruce

Picea pungens 'glauca'

Leyland Cypress

X Cupressocyparis leylandii

Arborvitae

Thuja spp.

Canadian Hemlock

Tsuga canadensis

White Fir

Abies concolor

Douglas Fir

Pseudotsuga menziesii

Cryptomeria

Cryptomeria japonica

American Holly

Ilex opaca

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