Species
Name |
E
|
RAB
|
AW
|
SC
|
FNA
|
JK
|
Populus
alba L. (White Poplar) |
*
|
X
|
X
|
X
|
 
|
X
|
 Populus
alba var. bolleana Lauche |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
alba var. pyramidalis Bunge |
*
|
 
|
 
|
 
|
 
|
S
|
Populus
×canadensis Moench (Hybrid Black Poplar) |
 
|
 
|
X
|
 
|
 
|
X
|
 Populus
canadensis var. eugenei (Simon-Louis) Schelle |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
canadensis var. serotina (T. Hartig) Rehd. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
×eugenei Simon-Louis |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
euramericana Guinier |
 
|
 
|
 
|
 
|
 
|
S
|
Populus
×canescens (Ait.) Sm. (Gray Poplar) |
 
|
 
|
X
|
 
|
 
|
X
|
 Populus
alba var. canescens Ait. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
hybrida Bieb. |
 
|
 
|
 
|
 
|
 
|
S
|
Populus
deltoides Bartr. ex Marsh. var deltoides (Eastern Cottonwood) |
 
|
 
|
X
|
 
|
 
|
 
|
 Populus
angulata Ait. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
angulata var. missouriensis A. Henry |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
balsamifera L. |
 
|
S
|
S
|
 
|
 
|
 
|
 Populus
balsamifera var. missouriensis (A. Henry) Rehd. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
balsamifera var. pilosa Sarg. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
balsamifera var. virginiana (Foug.) Sarg. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
canadensis var. virginiana (Foug.) Fiori |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
deltoides Marsh. |
 
|
X
|
S
|
X
|
 
|
 
|
 Populus
deltoides ssp. deltoides |
 
|
 
|
S
|
 
|
 
|
X
|
 Populus
deltoides var. angulata (Ait.) Sarg. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
deltoides var. missouriensis (A. Henry) A. Henry |
 
|
 
|
S
|
 
|
 
|
S
|
 Populus
deltoides var. pilosa (Sarg.) Sudworth |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
deltoides var. virginiana (Foug.) Sudworth |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
nigra var. virginiana (Foug.) Castigl. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
palmeri Sarg. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
virginiana Foug. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
virginiana var. pilosa (Sarg.) F.C. Gates |
 
|
 
|
 
|
 
|
 
|
S
|
Populus
grandidentata Michx. (Big-Tooth Aspen) |
 
|
X
|
X
|
 
|
 
|
X
|
 Populus
grandidentata var. angustata Victorin |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
grandidentata var. meridionalis Tidestrom |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
grandidentata var. subcordata Victorin |
 
|
 
|
 
|
 
|
 
|
S
|
Populus
heterophylla L. (Swamp Cottonwood) |
 
|
X
|
X
|
X
|
 
|
X
|
 Populus
argentea Michx. f. |
 
|
 
|
 
|
 
|
 
|
S
|
Populus
×jackii Sarg. (Balm-of-Gilead) |
 
|
 
|
X
|
 
|
 
|
X
|
 Populus
×andrewsii Sarg. |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
×bernardii Boivin |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
candicans W. Aiton |
 
|
X
|
S
|
 
|
 
|
 
|
 Populus
×dutillyi Lepage |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
×generosa Henry |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
×gileadensis Rouleau |
 
|
 
|
 
|
 
|
 
|
S
|
 Populus
manitobensis Dode |
 
|
 
|
 
|
 
|
 
|
S
|
Populus
nigra L. (Black Poplar) |
*
|
 
|
X
|
 
|
 
|
X
|
 Populus
dilatata Ait. |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
italica (Du Roi) Moench |
*
|
 
|
S
|
 
|
 
|
S
|
 Populus
nigra var. italica Du Roi |
*
|
 
|
 
|
 
|
 
|
S
|
Populus
tremuloides Michx. (Quaking Aspen) |
*
|
 
|
X
|
 
|
 
|
X
|
 Populus
aurea Tidestrom |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
cercidiphylla Britt. |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
×polygonifolia Bernard |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
tremula ssp. tremuloides (Michx.) A.& D. Löve |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
tremuloides var. aurea (Tidestrom) Daniels |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
tremuloides var. cercidiphylla (Britt.) Sudworth |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
tremuloides var. intermedia Victorin |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
tremuloides var. magnifica Victorin |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
tremuloides var. rhomboidea Victorin |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
tremuloides var. vancouveriana (Trel.) Sarg. |
*
|
 
|
 
|
 
|
 
|
S
|
 Populus
vancouveriana Trel. |
*
|
 
|
 
|
 
|
 
|
S
|
Salix
alba L. (White Willow) |
*
|
X
|
X
|
 
|
 
|
X
|
 Salix
alba ssp. caerulea (Sm.) Rech. f. |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
alba ssp. vitellina (L.) Arcang. |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
alba var. caerulea (Sm.) Sm. |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
alba var. calva G.F.W. Mey. |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
alba var. vitellina (L.) Stokes |
*
|
S
|
 
|
 
|
 
|
S
|
 Salix
vitellina L. |
*
|
 
|
 
|
 
|
 
|
S
|
Salix
atrocinerea Brot. (Common Sallow) |
*
|
|
X
|
|
 
|
X
|
 Salix
cinerea Brot. |
*
|
 
|
S
|
 
|
 
|
|
 Salix
cinerea ssp. atrocinerea (Brot.) Guinier |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
cinerea ssp. oleifolia (Sm.) Macreight |
*
|
 
|
S
|
 
|
 
|
S
|
 Salix
oleifolia Sm., non Vill. |
*
|
 
|
 
|
 
|
 
|
S
|
Salix
babylonica L. (Weeping Willow) |
*
|
X
|
X
|
X
|
 
|
 
|
Salix
caroliniana Michx. (Carolina Willow) |
 
|
X
|
X
|
X
|
 
|
X
|
 Salix
amphibia Small |
 
|
S
|
 
|
 
|
 
|
S
|
 Salix
harbisonii Schneid. |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
longipes Shuttlw. ex Anderss. |
 
|
S
|
S
|
 
|
 
|
S
|
 Salix
longipes var. pubescens Anderss. |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
longipes var. venulosa (Anderss.) Schneid. |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
longipes var. wardii (Bebb) Schneid. |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
marginata Wimmer |
 
|
S
|
 
|
 
|
 
|
 
|
 Salix
nigra var. longipes (Shuttlw. ex Anderss.) Bebb |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
nigra var. wardii Bebb |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
occidentalis Bosc ex K. Koch, non Walt. |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
occidentalis var. longipes (Shuttlw. ex Anderss.) Bebb |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
pitcheriana Barratt |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
wardii (Bebb) Bebb |
 
|
 
|
 
|
 
|
 
|
S
|
Salix
cinerea L. (Gray Willow) |
*
|
X
|
X
|
X
|
 
|
X
|
 Salix
cinerea L. ssp. cinerea |
*
|
|
S
|
|
 
|
|
Salix
discolor Muhl. (Pussy Willow) |
*
|
 
|
X
|
 
|
 
|
X
|
 Salix
ancorifera Fern. |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
conformis Forbes |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
crassa Barratt |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
discolor Muhl. var. discolor |
*
|
 
|
S
|
 
|
 
|
 
|
 Salix
discolor var. overi Ball |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
discolor var. prinoides (Pursh) Anderss. |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
discolor var. rigidior (Anderss.) Schneid. |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
fuscata Pursh |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
prinoides Pursh |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
sensitiva Barratt |
*
|
 
|
 
|
 
|
 
|
S
|
 Salix
squamata Rydb. |
*
|
 
|
 
|
 
|
 
|
S
|
Salix
nigra Marsh. (Black Willow) |
 
|
X
|
X
|
X
|
 
|
X
|
 Salix
ambigua Pursh, non Ehrh. |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
denudata Raf. |
 
|
 
|
 
|
 
|
 
|
S
|
 Salix
dubia Trautv. |
|
|
|
|
|
S
|
 Salix
falcata Pursh |
|
|
|
|
|
S
|
 Salix
flavovirens Hornem. |
|
|
|
|
|
S
|
 Salix
ligustrina Michx. f. |
|
|
|
|
|
S
|
 Salix
ludoviciana Raf. |
|
|
|
|
|
S
|
 Salix
nigra var. altissima Sarg. |
|
|
|
|
|
S
|
 Salix
nigra var. brevifolia Anderss. |
|
|
|
|
|
S
|
 Salix
nigra var. brevijulis Anderss. |
|
|
|
|
|
S
|
 Salix
nigra var. falcata (Pursh) Torr. |
|
|
|
|
|
S
|
 Salix
nigra var. lindheimeri Schneid. |
|
|
|
|
|
S
|
 Salix
nigra var. longifolia Anderss. |
|
|
|
|
|
S
|
 Salix
nigra var. marginata (C.F.H. Wimmer ex Anderss.) Anderss. |
|
|
|
|
|
S
|
 Salix
nigra Marsh. var. nigra |
|
|
S
|
|
|
|
 Salix
purshiana Spreng. |
|
|
|
|
|
S
|
Salix
pentandra L. (Bay-Leaf Willow) |
*
|
|
X
|
|
|
X
|
Salix
purpurea L. (Purple Willow) |
*
|
X
|
X
|
|
|
X
|
Salix
sericea Marsh. (Silky Willow) |
|
X
|
X
|
X
|
|
X
|
 Salix
coactilis Fern. |
|
|
|
|
|
S
|
 Salix
grisea Willd. |
|
|
|
|
|
S
|
 Salix
pensylvanica Forbes |
|
|
|
|
|
S
|