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A variety of both evergreen and deciduous trees may be present in the rich conifer swamp in addition to the dominant species. Thuja occidentalis: Northern white cedar, the dominant conifer, also known as arborvitae, a common landscape specimen in northern U.S. states and Canada. Abies balsamea: Balsam fir; Acer rubrum: Red maple
The great majority of conifer genera and species are evergreen, retaining their leaves for several (2–40) years before falling, but unusual deciduous conifers occur in five genera (Larix, Pseudolarix, Glyptostrobus, Metasequoia and Taxodium), shedding their leaves in autumn and leafless through the winter.
Pseudolarix is a genus of coniferous trees in the pine family Pinaceae containing three species, the extant Pseudolarix amabilis and the extinct species Pseudolarix japonica and Pseudolarix wehrii. Pseudolarix species are commonly known as golden larch, but are not true larches (Larix) being more closely related to Keteleeria, Abies and Cedrus.
Larches are deciduous conifers in the genus Larix, of the family Pinaceae (subfamily Laricoideae).Growing from 20 to 45 metres (65 to 150 feet) tall, [1] they are native to the cooler regions of the northern hemisphere, where they are found in lowland forests in the high latitudes, and high in mountains further south.
Sugar maple-paper birch forest in Hiawatha National Forest, Michigan. This ecoregion is a transition area between the taiga (Boreal forest) to the north and the temperate deciduous forest and tallgrass prairie to the south and west and thus contains a variety of habitats including northern coniferous forests, northern hardwood forest, boreal hardwood-conifer forest, swamp forest, and peatland ...
The Southeastern conifer forests are a temperate coniferous forest ecoregion of the southeastern United States. It is the largest conifer forest ecoregion east of the Mississippi River . [ 2 ] It is also the southernmost instance of temperate coniferous forest within the Nearctic realm .
It is a medium-sized to large tree, reaching 30 m (98 ft) tall and with a trunk diameter of up to 1 m (3.3 ft), possibly more.The leaves are deciduous, spirally arranged but twisted at the base to lie in two horizontal ranks, 5–20 mm (0.20–0.79 in) long and 1–2 mm (0.039–0.079 in) broad, but 2–3 mm (0.079–0.118 in) long and scale-like on shoots in the upper crown.
Taxodium ascendens, also known as pond cypress, [2] is a deciduous conifer of the genus Taxodium, native to North America.Many botanists treat it as a variety of bald cypress, Taxodium distichum (as T. distichum var. imbricatum) rather than as a distinct species, but it differs in habitat, occurring mainly in still blackwater rivers, ponds and swamps without silt-rich flood deposits.