Trees

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32 Terms

1
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Identifying Red Alder

  • Light, spotted bark

  • Catkins: males are long and hang low; females are cone-like and release seeds

  • Leaves doubly serrate

2
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Red Alder scientific name

Alnus rubra

3
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<p>What are these and which tree do they belong to?</p>

What are these and which tree do they belong to?

Catkins; red alder

4
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<p>What tree is this?</p>

What tree is this?

Red Alder (Alnus rubra)

5
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Identify Douglas Fir

  • thick, deeply furrowed bark

  • needles are sharp and spiral around branch

  • cones have ‘mouse tails’ sticking out

  • rot outside in

6
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Douglas fir scientific name

Pseudotsuga meziesii

7
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<p>What tree is this?</p>

What tree is this?

Douglas fir (Pseudotsuga menziesii)

8
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<p>What tree do these belong to?</p>

What tree do these belong to?

Douglas Fir (Pseudotsuga menziesii)

9
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Why are Douglas Fir found in recently disturbed sites?

Early successional species - shade intolerant, better in dry conditions

10
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Why are Red Alder found in recently disturbed sites?

Symbiosis with nitrogen-fixing bacteria allows them to thrive in nutrient-poor soil

11
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Identify Western Red Cedar

  • thin, striped bark

  • branches J-shaped

  • flat, scaled leaves

  • trunks fluted

  • rot from inside out

12
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Western Red Cedar scientific name

Thuja plicata

13
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<p>What tree is this?</p>

What tree is this?

Western red cedar (Thuja plicata)

14
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<p>What tree is this?</p>

What tree is this?

Western red cedar (Thuja plicata)

15
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Identify Western Hemlock

  • bark grey-ish brown

  • bark thin with oblong ‘scales’

  • branches shelved

  • blunt, flat needles with silver underside

  • very small cones

16
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Western hemlock scientific name

Tsuga plicata

17
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<p>What tree is this?</p>

What tree is this?

Western Hemlock (Tsuga heterophylla)

18
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<p>What tree is this?</p>

What tree is this?

Western Hemlock (Tsuga heterophylla)

19
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<p>What tree is this?</p>

What tree is this?

Western Hemlock (Tsuga heterophylla)

20
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Identify Bigleaf Maple

  • leaves palmate with 5 main lobes

  • opposite branching

  • often covered in moss and ferns

  • double-winged samara

21
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Bigleaf maple scientific name

Acer macrophyllum

22
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<p>What tree is this?</p>

What tree is this?

Bigleaf Maple

23
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<p>What tree do these belong to?</p>

What tree do these belong to?

Bigleaf Maple

24
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Identify Shore/lodgepole Pine

  • twisted needles sprout in pairs

  • scaly dark grey bark

  • male cones small and orange clusters

  • female cones have wood brackets and spikes

  • decurrent

25
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Shore/lodgepole pine scientific name

Pinus contorta

26
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<p>What tree is this?</p>

What tree is this?

Shore Pine (Pinus contorta)

27
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<p>What family is this in?</p>

What family is this in?

Pine (Pinus)

28
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<p>What is the dominant tree here?</p>

What is the dominant tree here?

Lodgepole pine (Pinus contorta)

29
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Identify Ponderosa pine

  • needles grow in threes

  • longest pine needles

  • thick, furrowed bark brown on outside, black inside

  • large ovular cones with thick scales and sharp spike

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Ponderosa pine scientific name

Pinus ponderosa

31
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<p>What pine species are these from?</p>

What pine species are these from?

Ponderosa pine (Pinus ponderosa)

32
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<p>What tree is this?</p>

What tree is this?

Ponderosa pine (Pinus ponderosa)