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Alaska
Angiospermae
Angiosperms
Betulaceae: Dicotyledones
Dicots
6
Plantae
6
Plants
Salicaceae: Dicotyledones
6
Spermatophyta
6
Spermatophytes
6
Vascular Plants
6
Coniferopsida: Gymnospermae
5
Gymnosperms
5
Betula Papyrifera
4
Forest Sciences
4
USA
4
Populus Tremuloides
3
boreal forests
3
Alces alces
2
Animalia
2
Animals
2
Artiodactyls
2
Cervidae: Artiodactyla
2
Chordata
2
Chordates
2
Energy
2
Mammalia
2
Mammals
2
Nonhuman Mammals
2
Nonhuman Vertebrates
2
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