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The Canadian flora is depauperate because of the near total glaciation event in the Pleistocene. Due to the vast area of Canada, a tree that is common in one area may be completely absent in another. In particular, many warm-temperate trees can only be grown on the mild Pacific coast (where gardens may contain additional species not listed here).
Species name Range in Canada Global rank Notes YK NT NU LB CA; BC AB SK MB ON QC NB PE NS NF; Callitropsis nootkatensis Nootka cypress YK NT NU LB CA Secure BC AB
The current tree cover (or canopy) in Toronto is estimated to be between 26.6 and 28% [1] and many trees are not native to the city. The city's Urban Forestry Services plants these trees on city property and encourages others in the city to do the same. [2] A partial list of native trees in Toronto: [3]
It extends up into Southern Ontario, Canada which is located in the fertile ecozone of the Mixedwood Plains and includes ecodistricts 7E-1 to 7E-6. Trees found here include various species of ash, birch, chestnut, hickory, oak, and walnut; tallest of all is the tulip tree. Fruit trees native to this zone include the pawpaw. [6]
Many of Ottawa's native trees have been displaced by non-native plants and trees introduced by settlers from Europe and Asia from the 18th century to the present. Most of the native trees are found in the Greenbelt, parks, and along the Rideau and Ottawa rivers. The types of trees growing across the city vary based on the soil conditions in the ...
Trees can be very dense or sparse; mats of sphagnum moss cover the ground. Black spruce ( Picea mariana ) and tamarack ( Larix laricina ) are the predominant tree species. Where the soil is not saturated year round grows northern white cedar ( Thuja occidentalis ).
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants. Shade-intolerant species require full sunlight and little or no competition.
The current Native Trees of Ontario Collection was originally based on a list of some 85 species native to the three forest regions of Ontario; the northern Boreal Forest, the Great lakes - St. Lawrence Forest (in which the Arboretum is found), and the Southern Deciduous Forest. [29]