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| Kingdom | Plantae
– plantes, Planta, Vegetal, plants |
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| Subkingdom | Viridiplantae
– green plants |
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| Infrakingdom | Streptophyta
– land plants |
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| Superdivision | Embryophyta
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| Division | Tracheophyta
– vascular plants, tracheophytes |
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| Subdivision | Spermatophytina
– spermatophytes, seed plants, phanérogames |
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| Class | Magnoliopsida
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| Superorder | Rosanae
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| Order | Fagales
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| Family | Betulaceae
– alder, birch |
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| Genus | Betula L. – birch |
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Direct Children: |
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| Species | Betula alleghaniensis Britton
– yellow birch | |
| Species | Betula X alpestris Fr.
– birch | |
| Species | Betula X caerulea Blanch. (pro sp.)
– blue birch | |
| Species | Betula cordifolia Regel
– mountain paper birch | |
| Species | Betula X dugleana Lepage
– Dugle's birch | |
| Species | Betula X dutillyi Lepage
– Dutilly's birch | |
| Species | Betula X eastwoodiae Sarg. (pro sp.)
– Eastwood's birch | |
| Species | Betula glandulosa Michx.
– resin birch | |
| Species | Betula X hornei B.T. Butler (pro sp.)
– Horne's birch | |
| Species | Betula X jackii C.K. Schneid.
– Jack's birch | |
| Species | Betula kenaica W.H. Evans
– Kenai birch | |
| Species | Betula lenta L.
– sweet birch | |
| Species | Betula maximowicziana Regel
– monarch birch | |
| Species | Betula michauxii Sarg.
– Newfoundland dwarf birch, Michaux's birch | |
| Species | Betula minor (Tuck.) Fernald
– dwarf white birch | |
| Species | Betula murrayana B.V. Barnes & Dancik
– Murray's birch | |
| Species | Betula nana L.
– shrub birch, bog birch, dwarf birch | |
| Species | Betula neoalaskana Sarg.
– resin birch | |
| Species | Betula X neoborealis Lepage
– northern birch | |
| Species | Betula nigra L.
– river birch | |
| Species | Betula occidentalis Hook.
– water birch | |
| Species | Betula papyrifera Marshall
– paper birch | |
| Species | Betula pendula Roth
– European white birch | |
| Species | Betula platyphylla Sukaczev
– Asian white birch | |
| Species | Betula populifolia Marshall
– gray birch | |
| Species | Betula pubescens Ehrh.
– downy birch | |
| Species | Betula pumila L.
– swamp birch, bog birch | |
| Species | Betula X purpusii C.K. Schneid.
– Purpus' birch | |
| Species | Betula X raymundii Lepage
– Raymund's birch | |
| Species | Betula X sandbergii Britton
– Sandberg's birch | |
| Species | Betula X sargentii Dugle
– Sargent's birch | |
| Species | Betula uber (Ashe) Fernald
– Virginia round-leaf birch, Virginia roundleaf birch, Virginia birch | |
| Species | Betula X uliginosa Dugle
– birch | |
| Species | Betula X utahensis Britton (pro sp.)
– northwestern paper birch | |
| Species | Betula X winteri Dugle
– Winter's birch | |
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