that …
is very smooth (ignore location of former branches, and mature tree lowest trunk) or
has shallow vertical fissures or ribs or has deep vertical fissures or ribs or has interlacing ridges (like tire tread) or
shaggy — separates into features that hang away from the trunk :
many colors, each in own asymmetric[?] patchesAmerican sycamore Platanus occidentalis
two-color (gray with lots of lenticels[?]); huge leaf scars[?] thickly C-shaped, filled by large budtree of heaven (ToH) Ailanthus altissima
one-color (light gray), muscular ribsAmerican hornbeam or 💪︎ musclewood Carpinus caroliniana one-color (light gray), no muscular ribs (large trees may have buttress roots[?]), often w/carved graffitiAmerican beech Fagus grandifolia
one-color (red or cinnamon), may peel away in thin sheets revealing green cambiumPacific madrone Arbutus menziesii
🚧 under constructioneastern cottonwood Populus deltoides 🚧 under constructionbigtooth aspen Populus grandidentata 🚧 under construction♒︎ swamp cottonwood Populus heterophylla 🚧 under constructionquaking aspen Populus tremuloides
very thick vertical ribs, looks covered with warts or puffy painthackberry Celtis occidentalis 🚧 under construction◼︎ black willow Salix nigra
🚧 under constructionpignut hickory Carya glabra 🚧 under constructionsassafras Sassafras albidum
bark= covered in burnt potato chips/crispsmature ◼︎🍒︎ black cherry Prunus serotina
bark= ═ horizontal strips (rolling around trunk), thin layers, white over orange◼︎ American white birch or 📄︎ paper birch Betula papyrifera
bark= ║ vertical strips
shrub with multiple stems; bark=shaggy; wood=brittlehoneysuckle genus Lonicera bark=yellow to red-brown, ragged, shaggy; twigs=hairy♒︎ river birch Betula nigra
bark=thick rigid shaggy gray vertical strips, barely attachedmature shagbark hickory Carya ovata bark=thick rigid shaggy gray vertical strips; in wild, branches and trunk have large smooth thorns[?]honey locust Gleditsia triacanthos
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