betula
51Betula ermanii —   Abedul de Erman …
52Betula lenta — Sweet Birch Scientific classification Kingdom: Plantae (unranked) …
53Betula alleghaniensis — Gelb Birke Gelb Birke (Betula alleghaniensis) Systematik Klasse: Einfurchenpollen Zweikeimblättrige (Magnoliopsida) …
54Betula albosinensis septentrionalis —   Abedul chino de corteza roja …
55Betula maximowicziana —   Abedul de Maximowicz …
56Betula papyrifera cordifolia — Betula papyrifera var cordifolia …
57Betula nigra — Taxobox name = River Birch status = secure image width = 240px image caption = Betula nigra at Morton Arboretum regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Fagales familia = Betulaceae genus = Betula subgenus =… …
58Betula papyrifera — Taxobox name = Betula papyrifera status = secure image width = 240px image caption = Paper Birch regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Fagales familia = Betulaceae genus = Betula subgenus = Betula species = B.… …
59Betula nana — Dwarf Birch Scientific classification Kingdom: Plantae (unranked) …
60Betula neoalaskana — Taxobox name = Alaska Birch status = secure regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Fagales familia = Betulaceae genus = Betula subgenus = Betula species = B. neoalaskana binomial = Betula neoalaskana binomial… …