Children (205 direct children, 335 direct and indirect children):
Populus tremula
(tree size 3)
Aspen
Populus alba kunki
(tree size 6)
White poplar
Populus nigra
(tree size 11)
Black poplar
Populus deltoides
(tree size 9)
Eastern cottonwood
Populus trichocarpa
Black cottonwood
Populus balsamifera
(tree size 4)
Ontario balsam poplar
Populus ×canescens
Grey poplar
Populus ×canadensis
(tree size 8)
Carolina poplar
Populus simonii
(tree size 9)
Simon poplar
Populus tremuloides
(tree size 1)
Quaking aspen
Populus sect. aigeiros
Populus yunnanensis
(tree size 4)
Yunnan poplar
Populus szechuanica
(tree size 3)
Populus lasiocarpa
(tree size 2)
Chinese necklace poplar
Populus euphratica
Euphrates poplar
Populus grandidentata
Bigtooth aspen
Populus laurifolia
Populus ×interamericana
Populus ilicifolia
Tana river poplar
Populus guzmanantlensis
Populus angustifolia
Narrowleaf cottonwood
Populus maximowiczii
Japanese poplar
Populus ciliata
(tree size 5)
Populus cathayana
(tree size 5)
Populus heterophylla
Swamp cottonwood
Populus fremontii
(tree size 5)
Fremont cottonwood
Populus wettsteinii
Populus ×wettsteinii
Populus ×berolinensis
(tree size 1)
Populus berolinensis
Populus ×moskoviensis
Populus moskoviensis
Populus koreana
Populus pruinosa
Populus adenopoda
(tree size 4)
Populus wilsonii
(tree size 2)
Populus davidiana
(tree size 5)
Populus ussuriensis
Populus sect. populus
Populus mexicana
(tree size 2)
Populus sieboldii
Japanese aspen
Populus tristis
Populus trinervis
(tree size 2)
Populus girinensis
(tree size 3)
Populus xiangchengensis
Populus gansuensis
Populus yuana
Populus yatungensis
(tree size 3)
Populus iliensis
Populus hsinganica
(tree size 2)
Populus purdomii
(tree size 2)
Populus ×beijingensis
Populus beijingensis
Populus charbinensis
(tree size 2)
Populus ×pseudo-tomentosa
Populus rotundifolia
(tree size 3)
Populus violascens
Populus ×xiaozhuanica
Populus xiaozhuanica
Populus pseudosimonii
(tree size 2)
Populus pamirica
(tree size 2)
Populus kangdingensis
Populus haoana
(tree size 4)
Populus qamdoensis
Populus pilosa
(tree size 2)
Populus pseudomaximowiczii
(tree size 1)
Populus tomentosa
(tree size 3)
Chinese white poplar
Populus ningshanica
Populus amurensis
Populus ×generosa
Populus glauca
Populus pseudoglauca
Populus afghanica
(tree size 2)
Populus baicalensis
Populus robusta
Populus villosa
Populus lancifolia
Populus suaveolens
(tree size 1)
Populus longifolia
Populus caspica
Populus flexibilis
Populus × acuminata
Lanceleaf cottonwood
Populus platyphylla
Populus manshurica
Populus gracilis
Populus italica
Populus mainlingensis
Populus nakaii
Populus przewalskii
(tree size 1)
Populus shanxiensis
Populus talassica
Populus wuana
Populus ×jrtyschensis
Populus jrtyschensis
Populus ×xiaohei
(tree size 2)
Populus xiaohei
Populus alaschanica
Populus hopeiensis
(tree size 1)
Populus ×rasumowskiana
Populus wenxianica
Populus schneideri
Populus wulianensis
Populus nivea
Populus simaroa
Populus intramongolica
Populus dimorpha
Populus keerqinensis
Populus ×pseudotomentosa
Populus × pseudotomentosa
Populus glaucicomans
Populus candicans
Populus qiongdaoensis
Populus minhoensis
Populus sect. tacamahaca
Populus × jackii
Balm-of-gilead
Populus smithii
Populus rouleauana
Populus parryi
Populus inopina
Populus heimburgeri
Populus ×brayshawii
Hybrid balsam poplar
Populus tianschanica
Populus steiniana
Populus schischkinii
Populus ×petrowskiana
Populus moscoviensis
Populus krauseana
Populus kashmirica
Populus jezoensis
Populus jacquemontiana
Populus irtyschensis
Populus intercurrens
Populus hyrcana
Populus glandulosa
Populus gamblei
Populus fredroviensis
Populus cataracti
Populus baileyana
Populus ambigua
Populus ×hinckleyana
Populus rogalinensis
Populus atheniensis
Populus argentea
Populus belgica
Populus bolleana
Populus sargentii
Populus incrassata
Populus ×vernirubens
Populus ×woobstii
Populus sect. leucoides
Populus sect. turanga
Populus hastata
Populus acerifolia
Populus aegyptiaca
Populus tajikistanica
Populus monilifera
(tree size 1)
Populus macranthela
Populus liaotungensis
Populus michauxii
Populus vancouveriana
Populus heerii
Populus latior
Populus lesquereuxi
Populus sect. abasco
Populus × wilsocarpa
Populus berkarensis
Populus sect. intersectionalb
Populus fastigiata
Populus brandegeei
Populus berolinensis
Populus tacamahacca
Populus angulata
(tree size 1)
Populus wislizeni
Populus diversifolia
Populus croatica
Populus pannonica
Populus sinensis
Populus betulifolia
Populus thevestina
Populus marilandica
Populus ×gelrica
Populus manitobensis
Populus ×gileadensis
Populus pyramidalis
Populus arizonica
Populus aurea
Populus fortissima
Populus texana
Populus luziarum
Populus primaveralepensis
Populus balsamoides
Populus daphnogenoides
Populus glandulifera
Populus hyperborea
Populus kansaseana
Populus vivaria
Populus speciosa
Populus hastifolia
Populus brevifolia
Populus virginica
Populus charkowiensis
Populus serotina
Populus ×eugenei
Populus neimongolica
Populus ×nevensis
Populus ×tomentiglandulosa
Populus trinervifolia
(tree size 1)
Populus ×sibirica
Populus rockii
Populus pendula
Populus bonnetiana
Populus hickeliana
Populus mauritanica