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

Legend for table
Background information

Eastern USA and Canada (2001)

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

 

Breeding progr.

A. fraseri

*

 
 

*

2

3

 

3

2

 

3

 

Breeding progr.

Acer saccharum

*

*

*

*

 

2

 

3

2

2

 

3

 

Betula alleghaniensis

*

 
 
 

3

 
 
 

2

 

3

3

 

Carya cordiformis

*

 
 
 

3

2

 

3

 

2

 
 
 

C. illinoensis

 
 
 

*

3

3

 

3

 
 
 
 

Of recent interest to China

C. ovata

*

 
 
 
 

2

 

3

 

2

 
 
 

Castanea dentata

*

*

*

*

2

1

 
 

1

1

1

1

International att. needed to ensure continued efforts in developing resistance to Endothia parasitica

Celtis tenuifolia

*

 

*

 

2

3

 
 

2

3

 
 
 

Fraxinus americana

*

 
 
 
 
 
 
 

3

 
 
 
 

F. nigra

 
 
 

*

 
 
 
 

3

 
 
 
 

F. quadrangulata

*

 

*

 

2

2

 
 

2

2

 
 
 

Gymnocladus dioieus

*

 

*

 
 

2

 
 

2

2

 
 
 

Juglans cinerea

*

 
 
 
 

2

 

2

2

2

 
 

Ex situ cons. required in Canada. Affected by Sirococcus clavigignenti juglandacearum

J. nigra

*

 
 

*

 
 
 
 
 
 

2

2

 

Larix laricina

*

 
 

*

 

3

 

3

 
 

3

2

Breeding prog. Canada

Liquidambar styraciflua

*

 
 
 
 

2

 

2

 
 

2

2

 

Liriodendron tulipifera

*

 
 
 
 
 
 
 

3

 

3

2

Collection and testing in Eastern U.S.

Magnolia acuminata

*

 

*

 
 

2

 
 

2

2

 
 
 

Morus rubra

 
 
 

*

 
 
 
 
 
 
 
 

In situ conservation required in Canada

Picea glauca

*

 
 
 
 
 
 
 

3

 
 
 

Breeding progr.

P. mariana

*

 
 
 
 
 
 
 
 
 
 
 

Breeding progr.

P. rubens

*

 
 
 
 
 
 
 
 
 

3

2

 

Platenus occidentalis

*

 
 
 
 

2

 

2

 
 

2

2

 

Pinus banksiana

*

 
 
 
 
 
 
 
 
 
 
 

Breeding progr.

P. clausa

*

 
 
 
 
 
 
 
 
 

3

3

 

P. rigida

*

 
 

*

 

3

 

3

 
 
 
 
 

P. echinata

*

 
 
 
 

2

 

2

 
 

2

 

Breeding progr. in Eastern U.S.

P. elliottii

*

 
 
 
 
 
 
 
 
 
 
 

Breeding progr. in Eastern U.S.

P. palustris

*

 
 
 
 
 
 
 

3

 
 
 

Breeding progr. in Eastern U.S.

P. resinosa

*

 
 
 
 
 
 
 

3

 
 
 

Breeding progr.

P. serotina

*

 
 
 
 

2

 

2

3

 

3

3

 

P. strobus

*

 
 
 
 
 
 
 

3

 
 
 

Breeding progr.

P. taeda

*

 
 
 
 
 
 
 
 
 
 
 

Breeding progr.

P. virginiana

*

 
 
 
 
 
 
 
 
 

2

2

 

Populus balsamifera

*

 
 
 
 

2

 

2

 
 

3

2

High potential for biomass on medium fertility soils

P. deltoides

*

 
 
 
 
 

2

 
 
 
 
 

Breeding progr.

P. tremuloides

*

 
 
 
 

3

2

3

 
 
 
 

Breeding progr. in U.S.

Prunus serotina

*

 
 
 
 

3

 

3

3

 

3

 

Canadian populations at extremes of range

Ptelea trifoliata

*

 

*

 

2

2

 
 

1

2

 
 
 

Quercus alba

*

 

*

 
 

2

 

2

 

3

 

3

Canadian populations at extremes of range

Q. borealis

*

 

*

 
 

3

 

3

 

3

 

3

 

Q. macrocarpa

*

 

*

 

1

3

 

3

3

 
 
 
 

Robinia pseudoacacia

*

 

*

 
 

3

 

3

 
 
 
 
 

Swietenia mahagani

*

 
 
 
 
 
 
 

1

1

 
 

(E)

Taxodium ascendens

*

 
 
 

2

3

 

3

3

 

3

 
 

T. distichum

*

 
 
 

2

3

 

3

3

 

3

 
 

Torreya taxifolia

 
 
 

*

 
 
 
 

2

 
 
 

(E)

Ulmus americana

*

 
 

*

3

3

 

3

2

3

3

 

Resistance breeding progr.


*** Species withdrawn from the 1999 list

*** Species added to the 1999 list

last updated:  Thursday, August 2, 2007