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

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Background information

Eastern 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 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


*** Species withdrawn from the 2001 list

*** Species added to the 2001 list

last updated:  Thursday, July 12, 2007