Abies balsamea

*

*

3

3

3

3

3

3

3

3

PVT; PGT; SO

Abies fraseri

*

*

2

3

3

3

2

3

3

2

PVT; PGT; CLT; SO; breeding Phytophthora cinnamomi resistance

Acer negundo

*

2

3

3

2

3

3

3

3

PVT

Acer saccharinum

*

3

3

3

3

3

3

3

3

PVT; PGT; CLT; SO

Acer saccharum

*

*

*

*

3

2

3

3

2

2

3

3

PVT; PGT; SO

Betula alleghaniensis

*

3

3

3

3

2

3

3

3

PVT

Betula papyrifera

*

3

2

3

3

3

2

2

3

PVT

Carya cordiformis

*

*

*

3

2

2

3

2

2

3

2

PVT; SO

Carya illinoensis

*

3

3

3

3

2

2

3

2

PVT; SO

Carya ovata

*

*

3

2

3

3

2

2

3

2

PVT; SO

Castanea dentata

*

*

*

*

2

1

2

1

1

1

1

1

PVT; PGT; MPTS; (E); breeding Cryphonectria parasitica resistance

Celtis occidentalis

*

3

3

3

3

3

3

3

3

PVT

Celtis tenuifolia

Cornus florida

*

2

2

3

2

3

3

3

2

PVT

Crataegus rotundifolia

*

2

3

3

3

3

3

3

3

PVT

Fagus grandifolia

*

*

*

2

2

2

2

2

3

3

2

MPTS; susceptible to fungal pathogens

Fraxinus americana

*

*

3

3

3

3

3

3

3

3

PVT; CLT; MPTS

Fraxinus nigra

Fraxinus pennsylvanica

*

*

3

3

3

3

3

3

3

3

PVT; SO; MPTS

Fraxinus quadrangulata

*

*

2

2

2

3

2

2

3

3

MPTS; (E) for peripheral populations

Gleditsia tricanthos

*

*

3

3

3

3

3

3

3

3

PVT; PGT; CLT; MPTS

Gymnocladus dioicus

*

2

2

2

3

2

2

3

3

(E) Ontario, some U.S. populations

Juglans cinerea

*

*

2

1

1

1

1

1

2

1

(E); MTPS; threatened by Sirococcus clavigignenti-juglandacearum fungus

Juglans nigra

*

*

*

2

2

2

2

2

2

2

2

PVT; PGT; CLT; SO; MPTS

Larix laricina

*

*

3

3

3

3

3

3

3

2

PVT; PGT; SO

Liquidambar styraciflua

*

*

3

3

3

2

3

3

2

2

PVT; PGT; SO; MPTS

Liriodendron tulipifera

*

*

2

2

2

2

2

2

2

2

MPTS; (E) Ontario

Magnolia acuminata

*

*

2

2

2

3

2

3

2

3

(E) Ontario, Indiana, Oklahoma, Florida

Morus rubra

*

*

2

2

2

3

3

2

3

3

MPTS; (E) Ontario, Vermont, Maine; threat from introgression

Nyssa sylvatica

*

2

3

3

3

2

3

3

3

(E) Ontario, Vermont, Maine

Picea glauca

*

3

3

3

3

3

3

3

3

PVT; PGT; SO

Picea mariana

*

3

3

3

3

3

3

3

2

PVT; PGT; SO

Picea rubens

*

2

3

3

3

3

3

3

2

PVT; PGT; SO

Pinus banksiana

*

3

3

3

3

3

3

3

3

PVT; PGT; SO

Pinus clausa

*

*

3

2

3

3

2

3

3

3

PVT; PGT; SO (E) Mississippi, Alabama

Pinus echinata

*

3

3

3

3

3

3

3

3

PVT; PGT; SO

Pinus elliottii

*

3

3

3

3

3

3

3

3

PVT; PGT; SO; breeding Cronartium quercuum sp. fusiforme resistance

Pinus palustris

*

3

3

3

3

3

3

3

3

PVT; PGT; SO

Pinus resinosa

*

3

3

3

3

3

3

3

2

PVT; PGT; SO

Pinus rigida

*

3

3

3

3

3

3

3

3

PVT; PGT; SO

Pinus serotina

*

3

2

3

2

2

3

3

3

PVT; PGT; SO; (E) New Jersey, Delaware, Virginia, Alabama

Pinus strobus

*

3

3

2

3

3

2

3

3

PVT; PGT; SO; (E); selection for Cronartium ribicola resistance

Pinus taeda

*

3

3

3

3

3

3

3

3

PVT; PGT; CLT; SO

Pinus virginiana

*

3

3

3

3

2

3

3

2

PVT; PGT; SO (E) New York, Indiana, Mississippi

Platanus occidentalis

*

*

3

2

3

3

3

3

3

2

CLT

Populus balsamifera

*

*

2

2

3

2

3

3

3

2

PVT; PGT; CLT; MPTS

Populus deltoides

*

*

3

3

2

3

3

3

3

2

CLT; PVT; MPTS

Populus tremuloides

*

*

3

3

2

3

3

3

3

2

PVT; CLT; MPTS

Prunus americana

*

3

3

3

3

3

3

3

3

PVT; SO; MPTS

Prunus serotina

*

*

*

3

3

3

3

3

3

2

2

PVT; CLT; MPTS

Prunus virginia

*

2

3

2

3

3

2

3

3

MPTS

Ptelea trifoliata

Quercus alba

*

*

2

2

2

2

3

3

2

3

MPTS (E) Quebec, Nebraska

Quercus borealis

Quercus macrocarpa

*

*

2

3

3

2

2

3

3

3

PVT; MPTS; (E) at periphery of range

Quercus rubra

*

3

3

3

3

3

3

3

3

PVT; PGT; CLT; SO

Robinia pseudoacacia

*

*

*

3

3

3

3

3

3

3

3

PGT; PVT; MPTS

Swietenia mahagani

Taxodium ascendens

Taxodium distichum

*

*

2

3

3

3

3

3

3

3

MPTS; (E) Oklahoma, Indiana

Taxus canadensis

*

*

2

2

2

2

3

3

2

3

MPTS; (E) Manitoba and U.S.

Thuja occidentalis

*

*

3

3

2

2

2

3

2

2

MPTS; (E) in U.S. populations

Torreya taxifolia

*

1

1

1

2

1

1

2

1

(E) endangered across range by unknown fungal pathogen

Tsuga canadensis

*

2

2

3

2

3

3

3

2

Ulmus americana

*

*

3

2

3

2

2

1

2

1

Breeding resistance to Ceratocystis ulmi