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Appendix (continued)



Balsam fir,
Abies balsamea
Near Lake Superior shore and on moist sites inland.Very common

White spruce,
Picea glauca
Most of island, decreasing toward southwestern uplands.Very common

Black spruce,
Picea mariana
In swamps and bogs. Occasional on dry sites.Very common

Larch (tamarack),
Larix laricina
Swamps and bogs.Formerly common, now rather scarce

White pine,
Pinus strobus
Scattered throughout island. Generally considered a successional species, but may remain in mature forests for a long time. Some individuals live 300 or 400 years.

Red pine,
Pinus resinosa
Scattered in a few small stands on dry sites.

Jack pine,
Pinus banksiana
On ridgetops, rocky slopes, and other dry sites.Fairly common

Northern white-cedar (arborvitae),
Thuja occidentalis
Along harbors, bays, lakeshores, swamps, and moist places inland. Found sparingly on drier sites. Prefers alkaline soil.Common

Balsam poplar,
Populus balsamifera
On beaches and old beach lines.Fairly common

Quaking aspen,
Populus tremuloides
A successional species found on all parts of the island.Very common

Large-toothed aspen,
Populus grandidentata
A successional species in the maple-birch forest area.Uncommon

American hophornbeam,
Orstrya virginiana
Reported only from the central part of Greenstone Ridge.Very rare

Paper birch,
Betula papyrifera
A successional species on all parts of the island.Very common

Yellow birch,
Betula lutea
Upland areas on southwestern third of island.Common

Northern red oak,
Quercus rubra
Considered a successional species in the maple-birch forest. Restricted largely to Greenstone Ridge between Mt. Ojibway and Sugar Mountain and to Red Oak Ridge.Uncommon

American mountain-ash,
Sorbus americana
Occurs primarily in spruce-fir forest areas, particularly in openings, at forest edge, and along the lakeshore. (Not an ash, but a member of the rose family.)Fairly common

Common Apple,
Pyrus malus
At Daisy Farm. Escaped from cultivation.

Prunus virginiana
A shrub or small tree, in open areas and forest edge.

Fire cherry,
Prunus pensylvanica
A shrub or small tree, widespread in woods, burns and openings. Heavily suppressed by moose browsing.

Sugar maple,
Acer sacoccharum
A principal species on ridges on southwestern third of island. Occurs on Greenstone Ridge north east to Mt. Ojibway area.

Red maple,
Acer rubrum
On high ridges. Does not grow very tall.Common

Striped maple,
Acer pensylvanicum
Small, slender tree, last reported in 1908 by W. P. Holt as "rare on the island."

Mountain maple,
Acer spicatum
Tall shrub or small bushy tree in moderately shaded forest.Common

White ash,
Fraxinus americana

Rare if at all present

Black ash,
Fraxinus nigra
On wet sites.Fairly common

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