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Angiospermae
Angiosperms
9
Coniferopsida: Gymnospermae
9
Dicots
9
Forest Sciences
9
Gymnosperms
Plantae
9
Plants
Salicaceae: Dicotyledones
9
Spermatophyta
9
Spermatophytes
9
Vascular Plants
9
Betulaceae: Dicotyledones
8
boreal forests
5
Alaska
4
Vegetation types
4
taiga
4
Picea Mariana
3
Populus Balsamifera
3
Populus Tremuloides
3
plant physiology
3
trees
3
Animalia
2
Animals
2
Aspen
2
Betula Papyrifera
2
Microorganisms
2
Nonvascular Plants
2
Nutrition
2
Phosphate
2
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