Species identified as high, global, regional and/or national priority

Legend for tables
Background information

Western USA and Canada (2003)

SPECIES End use of species Operations / Activities REMARKS
Exploration & collection Evaluation Conservation Germplasm use
1 2 3 4 5 6 7 8 9 10 11 12
                           

Abies amabilis

*

 

 

*

2

3

3

3

3

3

3

2

PVT

Abies bracteata

 

 

 

*

2

3

3

3

2

2

2

2

 

Abies concolor

*

 

 

 

3

3

3

3

3

3

3

3

 

Abies grandis

*

 

 

*

3

3

3

3

3

3

3

3

Int. PVT

Abies lasiocarpa

*

 

 

 

2

3

3

3

3

3

3

2

Int. PVT

Abies magnifica var. shastaensis

*

 

 

 

2

2

2

2

2

3

3

3

 

Abies procera

*

*

 

 

3

3

3

3

3

3

3

3

Int. PVT; PGT; SO

Acer macrophyllum

*

 

*

 

2

3

2

3

3

2

3

3

PVT

Alnus rhombifolia

*

 

 

*

3

3

3

3

3

3

3

3

In situ cons. stands

Alnus rubra

*

 

*

*

3

2

3

2

3

3

3

2

PVT; PGT; MPTS

Alnus sinuata

 

 

 

*

3

3

3

3

3

3

3

3

In situ cons. stands

Alnus tenuifolia

 

 

 

*

3

3

3

3

3

3

3

3

In situ cons. stands

Arbutus menziesii

*

 

 

*

2

2

2

2

2

2

2

2

MPTS; high fungal susceptibility

Betula fontinalis

 

 

 

 

 

 

 

 

 

 

 

 

 

Betula glandulosa

 

 

 

*

2

2

3

3

2

3

3

3

(E) New Brunswick

Betula papyrifera

 

 

*

 

3

2

3

3

3

2

2

3

PVT; Introgression with introduced Betula spp.

Castanopsis chrysophylla

*

 

 

*

 

 

 

 

 

 

 

 

In situ cons. stands

Celtis douglasii

 

 

 

 

 

 

 

 

 

 

 

 

 

Chamaecyparis lawsoniana

*

 

 

*

2

3

2

2

3

3

3

3

PVT; selection for Phytophera lateralis resistance

Chamaecyparis macrocarpa

 

 

 

 

 

 

 

 

 

 

 

 

 

Chamaecyparis nootkatensis

*

 

 

*

3

2

3

2

3

3

3

2

PVT; CLT; seed reserves

Cornus nuttalli

 

 

 

*

2

2

2

2

3

3

2

2

Susceptible to Athracnose fungus

Crataegus columbiana

 

 

 

 

 

 

 

 

 

 

 

 

 

Crataegus douglasii

 

 

 

 

 

 

 

 

 

 

 

 

 

Cupressus arizonica (complex)

*

 

 

 

2

3

3

3

2

3

3

2

PVT; PGT

Cupressus bakeri

 

 

 

 

 

 

 

 

 

 

 

 

 

Cupressus columbiana

 

 

 

 

 

 

 

 

 

 

 

 

 

Fraxinus latifolia

 

 

 

 

 

 

 

 

 

 

 

 

 

Juniperus occidentalis

 

 

 

 

 

 

 

 

 

 

 

 

 

Juniperus scopulorum

 

 

 

 

 

 

 

 

 

 

 

 

 

Larix laricina

*

 

 

 

3

3

3

3

3

3

3

2

PVT; PGT; SO

Larix lyallii

 

 

 

*

2

2

3

3

2

3

3

3

 

Larix occidentalis

*

 

*

 

3

3

3

3

2

3

2

2

PVT; PGT; SO

Libocedus decurrens

 

 

 

 

 

 

 

 

 

 

 

 

 

Lithocarpus densiflorus

*

 

 

*

3

3

3

2

3

3

3

2

susceptible to Phytophthora spp.

Malus fusca

 

 

 

*

2

3

3

3

3

3

3

3

MPTS

Picea breweriana

 

 

 

 

 

 

 

 

 

 

 

 

 

Picea engelmannii

*

 

 

 

2

3

3

2

3

3

3

2

Int. PVT and collections

Picea glauca

*

 

 

 

3

3

3

3

3

3

3

3

Int. PVT; PGT; SO

Picea sitchensis

*

 

 

 

2

2

3

3

3

3

3

2

Int. PVT; PGT; SO; breeding for Pissodes strobi resistance

Pinus albicaulis

*

 

 

*

2

2

2

3

2

3

2

2

Threatened by Cronartium ribicola and Dendroctonus ponderosae

Pinus arizonica

*

 

*

 

2

2

3

3

3

2

2

3

PVT

Pinus attenuata

 

 

 

*

3

3

3

3

2

3

3

3

(E)

Pinus chihuahuana

*

 

*

 

2

3

2

3

2

2

3

3

(E)

Pinus contorta

*

 

*

 

3

3

3

3

3

3

3

3

Int. PVT; PGT; SO

Pinus coulteri

*

 

*

 

3

3

3

3

3

3

3

3

testing P. coulteri x jeffreyi hybrids

Pinus engelmanii

 

 

 

 

 

 

 

 

 

 

 

 

 

Pinus flexilis

*

 

 

*

2

2

2

3

2

3

3

2

susceptible to Cronartium ribicola

Pinus jeffreyi

*

 

 

 

2

3

3

2

2

3

3

3

(E); some populations putatively resistant to Arceuthobium spp.

Pinus lambertiana

*

 

 

 

3

3

3

3

3

2

3

2

Int. PVT; PGT; SO; breeding resistance to Cronartium ribicola

Pinus monticola

*

 

 

 

3

2

3

3

3

2

3

2

PVT; PGT; SO; breeding resistance to Cronartium ribicola

Pinus muricata

 

 

*

 

3

3

3

3

3

3

3

3

PVT

Pinus ponderosa

*

 

 

 

3

3

3

3

3

3

3

3

PVT; PGT; SO

Pinus radiata

*

 

 

*

2

2

2

3

1

2

2

2

Int. PVT; PGT; SO; (E)

Pinus sabiniana

*

 

 

*

2

2

2

3

1

2

3

3

(E) Oregon, California

Pinus washoensis

*

 

*

 

2

1

1

1

1

1

1

2

(E) throughout USA range

Populus tremuloides

*

 

 

 

3

3

3

3

3

3

3

3

PVT; CLT; SO

Populus trichocarpa

*

 

 

 

3

3

3

3

3

3

3

2

CLT; Populus x spp. hybrid breeding program

Pseudotsuga macrocarpa

 

 

*

*

2

2

2

2

3

3

3

3

(E)

Pseudotsuga menziesii

*

 

 

 

3

3

3

3

3

3

3

3

Int. PVT; PGT; SO

Quercus chrysolepis

 

 

 

*

2

3

2

3

3

3

3

3

CLT

Quercus garryana

*

 

*

*

2

1

1

1

1

1

2

3

(E); MPTS

Quercus kelloggii

*

 

 

*

3

3

3

3

3

3

3

3

Phytophthora ramorum host

Rhamnus purshiana

 

 

 

*

2

3

2

3

3

3

3

3

In situ cons. stands

Salix amygdaloides

 

 

 

 

 

 

 

 

 

 

 

 

 

Salix hindsiana

 

 

 

 

 

 

 

 

 

 

 

 

 

Salix hookenana

 

 

 

 

 

 

 

 

 

 

 

 

 

Salix lasiandra

 

 

 

 

 

 

 

 

 

 

 

 

 

Salix lasiolepis

 

 

 

 

 

 

 

 

 

 

 

 

 

Salix scouleriana

 

 

 

 

 

 

 

 

 

 

 

 

 

Sequoia sempervirens

*

 

 

*

2

3

2

2

3

3

3

2

(E)

Sequoiadendron giganteum

*

 

 

*

2

2

2

2

3

2

3

3

IUFRO PVT, (E), MPTS

Taxus brevifolia

 

*

*

*

3

2

3

3

3

2

3

3

(E), MPTS

Thuja plicata

*

 

 

*

3

3

3

3

3

3

3

2

PVT, PGT, CLT, SO

Tsuga heterophylla

*

 

 

 

3

3

3

3

3

3

3

3

PVT, PGT, SO

Tsuga mertensiana

*

 

 

 

3

3

2

2

3

2

3

3

PVT

Umbellularia california

 

 

 

*

2

3

3

3

2

3

3

3

MPTS; Phytophthora ramorum vector


*** Species withdrawn from the 2001 list

*** Species added to the 2001 list

last updated:  Thursday, July 12, 2007