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