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Conifers of Western North America


I'm working on a field guide to trees, and part of it is the western species, defined roughly as species occurring in the U.S. and Canada west of the 100th meridian of longitude. I've prepared this page mostly to help myself with that process.

Taxa List

Pinophyta, Conifers and allies.

Ginkgo biloba, ginkgo.

Araucaria araucana, monkeypuzzle tree

Sciadopitys verticillata, umbrella pine

Cupressaceae, Cypress family.

Cupressus, Cypresses

Cupressus arizonica, Arizona cypress

Cupressus nevadensis, Piute cypress

Cupressus forbesii, Tecate cypress

Cupressus stephensonii, Cuyamaca cypress

Cupressus macrocarpa, Monterey cypress

Cupressus goveniana, Gowen cypress

Cupressus goveniana var. abramsiana, Santa Cruz cypress

Cupressus nootkatensis, Alaska yellow cedar

Cupressus sargentii, Sargent cypress

Cupressus macnabiana, MacNab cypress

Cupressus bakeri, Modoc cypress

Assorted other Cupressaceae:

Calocedrus decurrens, incense cedar

Thuja plicata, western red cedar

Chamaecyparis lawsoniana, Port Orford cedar

Sequoia sempervirens, Coast redwood

Sequoiadendron giganteum, giant sequoia

Metasequoia glytostroboides, dawn redwood

Taxodium mucronatum, ahuehuete

Taxodium distichum, baldcypress

Juniperus, junipers.

Juniperus ashei, Ashe juniper.

Juniperus coahuilensis, redberry juniper

Juniperus flaccida, drooping juniper

Juniperus monosperma, oneseed juniper

Juniperus pinchotii, Pinchot juniper .

Juniperus deppeana, alligator juniper

Juniperus scopulorum, Rocky Mountain juniper

Juniperus maritima, Seaside juniper

Juniperus osteosperma, Utah juniper

Juniperus occidentalis, western juniper

Juniperus virginiana, eastern redcedar.

Juniperus californica, California juniper

Juniperus communis, common juniper.

Pinaceae, pine family.

Abies, firs

Abies bracteata, bristlecone fir

Abies balsamea, balsam fir.

Abies lasiocarpa, subalpine fir

Abies concolor, white fir

Abies magnifica, California red fir

Abies procera, noble fir

Abies grandis, grand fir

Abies amabilis, Pacific silver fir

Cedrus, cedars

Larix, larches

Larix laricina, tamarack

Larix occidentalis, western larch

Larix lyallii, subalpine larch

Picea, spruces

Picea engelmannii, Engelmann spruce

Picea pungens, blue spruce

Picea mariana, black spruce

Picea glauca, white spruce

Picea sitchensis, Sitka spruce

Picea breweriana, Brewer spruce

Pinus, pines

Pines of section Balfourianae:

Pinus longaeva, Great Basin bristlecone pine

Pinus aristata, Rocky Mountain bristlecone pine

Pinus balfouriana, foxtail pine

Strobus-like pines:

Pinus albicaulis, whitebark pine

Pinus flexilis, limber pine

Pinus lambertiana, sugar pine

Pinus monticola, western white pine

Pinus strobiformis, southwestern white pine

Piñon pines:

Pinus cembroides, Mexican pinyon

Pinus edulis, twoneedle pinyon

Pinus quadrifolia, Parry pinyon

Pinus remota, Texas pinyon

Pinus monophylla, singleleaf pinyon

Ponderosa-like pines:

Pinus ponderosa, ponderosa pine

Pinus arizonica, Arizona pine

Pinus jeffreyi, Jeffrey pine

Pinus coulteri, Coulter pine

Pinus engelmannii, Apache pine

Pinus torreyana, Torrey pine

Pinus sabiniana, Grayleaf pine

Pinus leiophylla, Chihuahuan pine

Closed-cone pines:

Pinus attenuata, knobcone pine

Pinus radiata, Monterey pine

Pinus muricata, Bishop pine

Native pines of section Pinus:

Pinus contorta, lodgepole pine

Pinus banksiana, jack pine

Pinus virginiana, Virginia pine

Naturalized pines of section Pinus:

Pinus sylvestris, Scots pine

Pinus mugo, mugo pine

Pinus nigra, Austrian pine

Naturalized pines of section Pinaster:

Pinus pinea, Italian stone pine

Pinus canariensis, Canary Island pine

Pinus halepensis,


Pseudotsuga menziesii, Douglas-fir

Pseudotsuga macrocarpa, bigcone Douglas-fir


Tsuga heterophylla, western hemlock

Tsuga mertensiana, mountain hemlock

Taxaceae yews

Taxus brevifolia, Pacific yew

Taxus baccata, English yew

Torreya californica, California nutmeg