Native trees in Ottawa
Native trees in Ottawa are trees that are naturally growing in Ottawa, Ontario and were not later introduced by humans. 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 type of trees growing across the city varies based on the soil condition in the area. Tree cover in the city prior to European settlement started from the shore line back. Settlement resulted in trees being cut for use in building homes and ships and for heating by early residents. The city's Urban Forestry Services plants these trees on city property and encourages others in the city to do the same.

A partial list of native trees in Ottawa:
*Ash
**Black ash
**Green ash
**White ash
*Aspen
**Balsam poplar
**Large-tooth aspen
**Trembling aspen
*Basswood
**American basswood
*Birch
**White birch
**Yellow birch
*Beech
**American beech
*Cedar
**Eastern Redcedar
**Eastern White Cedar
*Chestnut
**American chestnut
*Dogwoods
**Alternate-leaved dogwood
*Elm
**American elm
*Hackberry
**Northern hackberry
*Hawthorns
*Hickory
**Bitternut hickory
**Shagbark hickory
*Hemlock
**Eastern hemlock
*Hop-hornbeam
**Ironwood
*Hornbeam
**Blue-beech
*Larch
**Tamarack
*Maple
**Red maple
**Silver maple
**Striped maple
**Sugar maple
*Mountain-ash
**American mountain-ash
*Oak
**Bur oak
**Eastern black oak
**Northern red oak
**Pin oak
**Swamp white oak
**White oak
*Pine
**Eastern white pine
**Jack Pine
**Pitch Pine
**Red Pine
*"Prunus"
**Black cherry
**Chokecherry
**Pin cherry
*Serviceberries
*Spruce
**Black Spruce
**White Spruce
*Walnut
**Butternut
**Black walnut
*Willow
**Black willow
**Peachleaf willow
Q10884
trees
Concept
Q1930
Ottawa, Ontario
LOC
Q5
humans
Concept
Q46
Europe
LOC
Q48
Asia
LOC
Q2943854
Greenbelt
Concept
Q4435640
parks
UNK
Q280507
Rideau
LOC
Q60974
Ottawa
LOC
Q128887
Ash
Concept
Q1790101
Black ash
Concept
Q161164
Green ash
Concept
Q1193369
White ash
Concept
Q25356
Aspen
Concept
Q149471
Balsam poplar
Concept
Q1536353
Large-tooth aspen
Concept
Q469576
Trembling aspen
Concept
Q127849
Basswood
Concept
Q163981
American basswood
Concept
Q25243
Birch
Concept
Q76971
White birch
Concept
Q1499241
Yellow birch
Concept
Q25403
Beech
Concept
Q149219
American beech
Concept
Q147255
Cedar
Concept
Q157522
Eastern Redcedar
Concept
Q147468
Eastern White Cedar
Concept
Q129324
Chestnut
Concept
Q468698
American chestnut
Concept
Q159545
Dogwoods
Concept
Q639615
Alternate-leaved dogwood
Concept
Q131113
Elm
Concept
Q469382
American elm
Concept
Q248582
Hackberry
Concept
Q470006
Northern hackberry
Concept
Q132557
Hawthorns
Concept
Q142788
Hickory
Concept
Q879016
Bitternut hickory
Concept
Q2601238
Shagbark hickory
Concept
Q739430
Hemlock
Concept
Q1137143
Eastern hemlock
Concept
Q605290
Hop-hornbeam
Concept
Q1489573
Ironwood
Concept
Q158513
Hornbeam
Concept
Q468664
Blue-beech
Concept
Q25618
Larch
Concept
Q734085
Tamarack
Concept
Q42292
Maple
Concept
Q161364
Red maple
Concept
Q158301
Silver maple
Concept
Q1190312
Striped maple
Concept
Q214733
Sugar maple
Concept
Q157964
Mountain-ash
Concept
Q285587
American mountain-ash
Concept
Q12004
Oak
Concept
Q1082365
Bur oak
Concept
Q1001011
Eastern black oak
Concept
Q147525
Northern red oak
Concept
Q161253
Pin oak
Concept
Q142792
Swamp white oak
Concept
Q469555
White oak
Concept
Q12024
Pine
Concept
Q157230
Eastern white pine
Concept
Q806838
Jack Pine
Concept
Q837410
Pitch Pine
Concept
Q2045958
Red Pine
Concept
Q190545
Prunus
Concept
Q158987
Black cherry
Concept
Q162829
Chokecherry
Concept
Q2707920
Pin cherry
Concept
Q156957
Serviceberries
Concept
Q26782
Spruce
Concept
Q218425
Black Spruce
Concept
Q16882220
White Spruce
UNK
Q2453469
Walnut
Concept
Q630288
Butternut
Concept
Q852572
Black walnut
Concept
Q36050
Willow
Concept
Q469220
Black willow
Concept
Q4115436
Peachleaf willow
Concept
Q85788015
Native trees in Ottawa
UNK
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mouth of the watercourse
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