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  2. Populus deltoides - Wikipedia

    en.wikipedia.org/wiki/Populus_deltoides

    Populus deltoides is a large tree growing to 20–30 m (65–100 ft) tall and with a trunk up to 2.8 m (9 ft 2 in) diameter, one of the largest North American hardwood trees. The bark is silvery-white, smooth or lightly fissured when young, becoming dark gray and deeply fissured on old trees.

  3. Appalachian mixed mesophytic forests - Wikipedia

    en.wikipedia.org/wiki/Appalachian_mixed...

    The herb layer is very rich and, in undisturbed areas, the trees can grow very large. Typical trees include sugar maple ( Acer saccharum ), beech ( Fagus grandifolia ), tuliptree ( Liriodendron tulipifera ), basswood ( Tilia americana ), northern red oak ( Quercus rubra ), cucumber tree ( Magnolia acuminata ), and black walnut ( Juglans nigra ).

  4. Tree line - Wikipedia

    en.wikipedia.org/wiki/Tree_line

    The foreground shows the transition from trees to no trees. These trees are stunted in growth and one-sided because of cold and constant wind. The tree line is the edge of a habitat at which trees are capable of growing and beyond which they are not. It is found at high elevations and high latitudes. Beyond the tree line, trees cannot tolerate ...

  5. Chaparral - Wikipedia

    en.wikipedia.org/wiki/Chaparral

    Chaparral is a coastal biome with hot, dry summers and mild, rainy winters. The chaparral area receives about 38–100 cm (15–39 in) of precipitation a year. This makes the chaparral most vulnerable to fire in the late summer and fall.

  6. East European forest steppe - Wikipedia

    en.wikipedia.org/wiki/East_European_forest_steppe

    Differences in drainage, variations in soil type (pine trees on sandy soil, deciduous trees on loamy soil, etc.) and salinity, the effects of blowing wind (which drives snow off the hills into depressions, affecting soil quality), and the historic activities of humans all combine to create the mosaic character of the region.

  7. List of ecoregions in Wisconsin - Wikipedia

    en.wikipedia.org/wiki/List_of_ecoregions_in...

    Level I divides North America into 15 broad ecoregions (or biomes). Wisconsin is within the Eastern Temperate Forest, and in the Great Plains, Level I regions. Level IV ecoregions (denoted by numbers and letters) are a further subdivision of Level III ecoregions (denoted by numbers alone). [1] [2] [3]

  8. Platanus - Wikipedia

    en.wikipedia.org/wiki/Platanus

    Platanus (/ ˈ p l æ t ə n ə s / PLAT-ən-əss [1]) is a genus consisting of a small number of tree species native to the Northern Hemisphere.They are the sole living members of the family Platanaceae.

  9. Hornbeam - Wikipedia

    en.wikipedia.org/wiki/Hornbeam

    The fruit is a small nut about 3–6 millimetres (1 ⁄ 8 – 14 in) long, held in a leafy bract; the bract may be either trilobed or simple oval, and is slightly asymmetrical. The asymmetry of the seedwing makes it spin as it falls, improving wind dispersal. The shape of the wing is important in the identification of different hornbeam ...