Populus angustifolia E.JamesLCLeast ConcernCommon nameNarrowleaf cottonwoodGenusPopulusFamilySalicaceae5 4 observations
Populus balsamifera L.LCLeast ConcernCommon nameCottonwoodGenusPopulusFamilySalicaceae1,990 1,367 observations
Populus deltoides W.Bartram ex MarshallLCLeast ConcernCommon nameCottonwoodGenusPopulusFamilySalicaceae944 677 observations
Populus grandidentata Michx.LCLeast ConcernCommon nameBigtooth aspenGenusPopulusFamilySalicaceae342 292 observations
Populus tremuloides Michx.LCLeast ConcernCommon nameQuaking aspenGenusPopulusFamilySalicaceae1,616 1,299 observations
Populus tristis Fisch.LCLeast ConcernCommon nameBrown-twig poplarGenusPopulusFamilySalicaceae229 145 observations
Salix alba L.LCLeast ConcernCommon nameWhite-willowGenusSalixFamilySalicaceae10,995 8,013 observations
Salix amygdaloides AnderssonLCLeast ConcernCommon namePeach-leaf willowGenusSalixFamilySalicaceae33 26 observations
Salix arbusculoides AnderssonLCLeast ConcernCommon nameLittletree willowGenusSalixFamilySalicaceae2 1 observation
Salix bebbiana Sarg.LCLeast ConcernCommon nameBebb's willowGenusSalixFamilySalicaceae46 29 observations
Salix candida Flüggé ex Willd.LCLeast ConcernCommon nameSage WillowGenusSalixFamilySalicaceae7 3 observations
Salix commutata BebbLCLeast ConcernCommon nameUnder-Green WillowGenusSalixFamilySalicaceae11 9 observations
Salix daphnoides Vill.LCLeast ConcernCommon nameViolet willowGenusSalixFamilySalicaceae176 90 observations
Salix discolor Muhl.LCLeast ConcernCommon namePussy willowGenusSalixFamilySalicaceae480 366 observations
