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Alaska
Angiospermae
Angiosperms
Dicots
7
Plantae
7
Plants
Salicaceae: Dicotyledones
7
Spermatophyta
7
Spermatophytes
7
Vascular Plants
Betulaceae: Dicotyledones
6
Coniferopsida: Gymnospermae
6
Gymnosperms
6
Forest Sciences
5
USA
5
Betula Papyrifera
4
Animalia
3
Animals
3
Chordata
3
Chordates
3
Mammalia
3
Mammals
3
Nonhuman Mammals
3
Nonhuman Vertebrates
3
Populus Tremuloides
3
Vertebrata
3
Vertebrates
3
boreal forests
3
Alces alces
2
Artiodactyls
2
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