Trees and Shrubs

The following is a guide to the trees and shrubs, both planted and naturally occurring, found in the Linnaeus Arboretum.

Key to species accounts:

Species name: common name with scientific (Latin) name in parentheses followed by cultivar name (if known); "L." following scientific name designates a species named by Linnaeus circa. 1760 A.D.

  1. Location in arboretum or on campus
  2. Native range
  3. Known cultivars planted
  4. Plant Family

* All photos taken at Gustavus by Bob Dunlap, Arboretum Naturalist unless otherwise noted.

 

Balsam Fir (Abies balsamea)

Balsam Fir

  • Small plantation behind President’s House
  • Eastern and central Canada, northeastern and north-central United States
  • Pine Family¬† (Pinaceae)

White Fir (Abies concolor)

White Fir

  • Planted ornamentally near Interpretive Center and elsewhere on campus
  • Mountains of western United States
  • Cultivars: ‘Candicans’
  • Pine Family (Pinaceae)

Korean Fir (Abies koreana)

Korean Fir

  • Planted in Interpretive Center’s perennial gardens
  • Mountains of South Korea
  • Cultivars: ‘Horstmann’s Silberlocke’
  • Pine Family (Pinaceae)

Subalpine Fir (Abies lasiocarpa)

Subalpine Fir

  • A few trees planted in conifer garden southwest of Interpretive Center
  • Mountains of western North America
  • Cultivars: ‘Glauca’
  • Pine Family (Pinaceae)

Amur Maple (Acer ginnala)

  • Planted ornamentally in maple collection south of Borgeson cabin, has spread into Arb’s deciduous forest
  • Northeastern Asia
  • Maple Family (Aceraceae)

Boxelder (Acer negundo) L.

  • A couple trees planted on west side of Jim Gilbert Teaching Pond, also commonly found in deciduous forest in Arb
  • Eastern, central, and parts of western United States and southern Canada, also south to Guatemala
  • Maple Family (Aceraceae)

Norway Maple (Acer platanoides) L.

  • Planted ornamentally in maple collection south of Borgeson cabin
  • Eastern and central Europe and southwest Asia
  • Cultivars: ‘Crimson King’
  • Maple Family (Aceraceae)

Red Maple (Acer rubrum) L.

  • Planted ornamentally along Ring Road and elsewhere across campus and in Arb
  • Eastern North America
  • Cultivars: ‘Northwoods’
  • Maple Family (Aceraceae)

Silver Maple (Acer saccharinum) L.

  • Planted ornamentally across campus, also found in deciduous forest in Arb
  • Eastern North America
  • Maple Family (Aceraceae)

Sugar Maple (Acer saccharum)

  • Commonly found in deciduous forest in Arb, also planted across campus
  • Northeastern and north-central North America
  • Maple Family (Aceraceae)

Freeman Maple (Acer x freemannii)

  • Planted across campus
  • Hybrid of Red Maple and Silver Maple
  • Cultivars: ‘Autumn Blaze’
  • Maple Family (Aceraceae)

Ohio Buckeye (Aesculus glabra)

Ohio Buckeye

  • Small plantation west of maple collection in Arb, also two trees in mall area between Confer/Vickner and Nobel halls
  • Midwest United States, also some areas in southern United States and south-central Canada
  • Soapberry Family (Sapindaceae)

Serviceberry (Amelanchier arborea)

  • Plantation east of Borgeson cabin in Arb
  • Eastern North America
  • Cultivars: ‘Autumn Brilliance’
  • Rose Family (Rosaceae)

River Birch (Betula nigra) L.

  • Small plantation southwest of Interpretive Center, also some trees planted in deciduous forest of Arb
  • Eastern and central North America
  • Birch Family (Betulaceae)

Paper Birch (Betula papyrifera)

  • Small plantations southwest of Interpretive Center and west of Borgeson cabin
  • North America
  • Birch Family (Betulaceae)

Shellbark Hickory (Carya laciniosa)

  • Single trees planted on west side of Borgeson cabin in Arb
  • Eastern and Midwest United States
  • Walnut Family (Juglandaceae)

Southern Catalpa (Catalpa bignonioides)

Southern Catalpa

  • Small plantation east of Interpretive Center
  • Southeast United States
  • Trumpet Creeper Family (Bignoniaceae)

Northern Catalpa (Catalpa speciosa)

  • Small plantation east of Interpretive Center
  • Midwest United States
  • Trumpet Creeper Family (Bignoniaceae)

Hackberry (Celtis occidentalis) L.

  • Planted across campus and in Arb
  • North America
  • Elm Family (Ulmaceae)

Red Osier Dogwood (Cornus sericea) L.

Red Osier Dogwood

  • Found throughout Arb, especially near wooded areas and along prairie edges
  • Northern and western North America
  • Dogwood Family (Cornaceae)

Thornless Cockspur Hawthorn (Crataegus crus-galli var. inermis)

  • Planted across campus, especially near campus center on north side of campus
  • Eastern and central North America
  • Rose Family (Rosaceae)

Green Ash (Fraxinus pennsylvanica)

Green Ash

  • Small plantation west of Interpretive Center, planted elsewhere across campus
  • Eastern and central North America
  • Cultivars: ‘Summit’
  • Olive Family (Oleaceae)

Ginkgo (Ginkgo biloba) L.

Ginkgo

  • Individual trees planted near Interpretive Center and elsewhere on campus
  • Eastern China
  • Ginkgo Family (Ginkgoaceae)

Honey Locust (Gleditsia triacanthos var. inermis) L.

  • Planted across campus, also found in deciduous forest in Arb
  • Eastern and central North America
  • Cultivars: ‘Suncole’
  • Legume Family (Fabaceae)

Kentucky Coffeetree (Gymnocladus dioicus)

Kentucky Coffeetree

  • Small plantation east of Interpretive Center
  • Midwest United States (as far north as Le Sueur, MN)
  • Legume Family (Fabaceae)

Black Walnut (Juglans nigra) L.

  • Individual trees planted south of Borgeson cabin in Arb near buckeye plantation and elsewhere across campus
  • Eastern and central North America
  • Walnut Family (Juglandaceae)

Eastern Red Cedar (Juniperus virginiana) L.

Eastern Red Cedar

  • Commonly found in coniferous and deciduous forests in Arb
  • Eastern and central North America
  • Cypress Family (Cupressaceae)

European Larch (Larix decidua)

European Larch

  • Small plantation on north side of Jim Gilbert Teaching Pond in Arb
  • Central Europe
  • Pine Family (Pinaceae)

Tamarack or American Larch (Larix laricina)

Tamarack

  • Small plantation on north side of Jim Gilbert Teaching Pond in Arb, also individual trees planted near Interpretive Center
  • Northern North America
  • Pine Family (Pinaceae)

Magnolia (Magnolia sp.) L.

Magnolia

  • Individual trees planted near Interpretive Center and campus center on north end of campus
  • North America
  • Magnolia Family (Magnoliaceae)

Apple (Malus domestica)

  • Small plantation near Borgeson cabin in Arb
  • Central Asia, but naturalized widely throughout the world
  • Cultivars: ‘Northwest Greening,’ ‘Honey Gold Semi-Dwarf,’ ‘Wolf River Semi-Dwarf,’ ‘Haralson,’ ‘Honey Crisp,’ ‘Fireside,’ ‘Beacon,’ ‘Haralred’
  • Rose Family (Rosaceae)

Crabapple (Malus sp.) L.

Crabapple

  • Individual trees planted widely throughout Arb and across campus
  • Northern Hemisphere
  • Cultivars: ‘Flame,’ ‘Red Splendor,’ ‘Prairie Fire,’ ‘Sparkler’
  • Rose Family (Rosaceae)

Red Mulberry (Morus rubra) L.

  • Found in deciduous and coniferous forests in Arb
  • Eastern and central North America
  • Mulberry Family (Moraceae)

Ironwood or American Hophornbeam (Ostrya virginiana)

  • Individual trees planted across campus, also found in deciduous forest in Arb
  • Eastern and central North America
  • Birch Family (Betulaceae)

Norway Spruce (Picea abies)

Norway Spruce

  • Individual trees planted widely across campus and near Interpretive Center
  • Europe
  • Cultivars: ‘Aarburg,’ ‘Acrocona,’ ‘Cincinatii,’ ‘Pendula Major’
  • Pine Family (Pinaceae)

White Spruce (Picea glauca)

White Spruce

  • Individual trees planted across campus and near Interpretive Center
  • Northern North America
  • Cultivars: ‘Coerulea,’ ‘Pendula’
  • Pine Family (Pinaceae)

Black Spruce (Picea mariana)

Black Spruce

  • Small plantation in conifer garden southwest of Interpretive Center
  • Northern North America
  • Pine Family (Pinaceae)

Serbian Spruce (Picea omorika)

  • Individual trees planted in conifer garden southwest of Interpretive Center
  • Western Serbia
  • Pine Family (Pinaceae)

Colorado Blue Spruce (Picea pungens)

Colorado Blue Spruce

  • Individual trees planted widely across campus and near Interpretive Center
  • Western North America
  • Cultivars: ‘Globosa,’ ‘Iseli Foxtail,’ ‘Montgomery’
  • Pine Family (Pinaceae)

Jack Pine (Pinus banksiana)

Jack Pine

  • Several trees planted in coniferous forest near North Arb Ponds
  • Northeastern and north-central North America
  • Pine Family (Pinaceae)

Ponderosa Pine (Pinus ponderosa)

Ponderosa Pine

  • Individual trees planted near Jones Northern Forest Ponds and east of Interpretive Center parking lot
  • Western North America
  • Pine Family (Pinaceae)

Red or Norway Pine (Pinus resinosa)

Red Pine

  • Planted widely across campus and in coniferous forest in Arb
  • Northeast and north-central North America
  • Pine Family (Pinaceae)
  • State Tree of Minnesota

Eastern White Pine (Pinus strobus) L.

White Pine

  • Planted widely across campus and in coniferous forest in Arb
  • Eastern and central North America
  • Cultivars: ‘Alba,’ ‘Macopin’
  • Pine Family (Pinaceae)

Scotch Pine (Pinus sylvestris) L.

Scotch Pine

  • Planted widely across campus and near Interpretive Center
  • Europe and western Asia
  • Pine Family (Pinaceae)

Eastern Cottonwood (Populus deltoides)

  • Commonly found in deciduous forest in Arb, also planted elsewhere across campus
  • Eastern, central, and southwest United States, northern Mexico
  • Willow Family (Salicaceae)

Quaking Aspen (Poplulus tremuloides)

  • Commonly found in deciduous forest in Arb, also planted elsewhere across campus
  • North America
  • Willow Family (Salicaceae)

Pin Cherry (Prunus pensylvanica) L.

  • Small plantations southwest of Interpretive Center and near Borgeson cabin
  • Northern North America
  • Rose Family (Rosaceae)

Black Cherry (Prunus serotina)

  • Small plantations southwest of Interpretive Center and near Borgeson cabin
  • Eastern and southwest North America
  • Rose Family (Rosaceae)

Common Chokecherry (Prunus virginiana) L.

  • Small plantation southwest of Interpretive Center
  • North America
  • Cultivars: ‘Canada Red’
  • Rose Family (Rosaceae)

Douglas Fir (Pseudotsuga menziesii)

Douglas Fir

  • Individual trees planted near Interpretive Center on south side of parking lot
  • Western North America
  • Cultivars: ‘Blue’
  • Pine Family (Pinaceae)

White Oak (Quercus alba) L.

  • Individual trees planted in Presidents Oak Grove west of Interpretive Center and elsewhere across campus
  • Eastern North America
  • Beech Family (Fagaceae)

Swamp White Oak (Quercus bicolor)

  • Individual trees planted in Presidents Oak Grove west of Interpretive Center and elsewhere across campus
  • Midwest and northeast United States, southeast Canada
  • Beech Family (Fagaceae)

Northern Pin Oak (Quercus ellipsoidalis)

  • Individual trees planted in Presidents Oak Grove west of Interpretive Center and elsewhere across campus
  • Northern Midwest United States, south-central Canada
  • Beech Family (Fagacea)

Bur Oak (Quercus macrocarpa)

  • Individual trees planted in Presidents Oak Grove west of Interpretive Center and elsewhere across campus, also commonly found in deciduous forest in Arb
  • Eastern and central North America, south-central Canada
  • Beech Family (Fagaceae)

Pin Oak (Quercus palustris)

  • Individual trees planted in Presidents Oak Grove west of Interpretive Center
  • Eastern United States
  • Beech Family (Fagaceae)

Red Oak (Quercus rubra) L.

  • Individual trees planted in Presidents Oak Grove west of Interpretive Center and elsewhere across campus, also commonly found in deciduous forest in Arb
  • Eastern North America
  • Beech Family (Fagaceae)

White Willow (Salix alba) L.

  • Plantation near Jim Gilbert Teaching Pond
  • Europe, western and central Asia
  • Cultivars: ‘Tristis’
  • Willow Family (Salicaceae)

Corkscrew Willow (Salix matsudana)

  • Plantation near Jim Gilbert Teaching Pond
  • Northwest China
  • Cultivars: ‘Tortuosa’
  • Willow Family (Salicaceae)

European Mountain-Ash (Sorbus aucuparia) L.

European Mountain-Ash

  • Small plantation west of Interpretive Center
  • Europe and northern Asia
  • Rose Family (Rosaceae)

Canada Yew (Taxus canadensis)

Canada Yew

  • Planted behind Interpretive Center and near buildings across campus
  • Eastern and central North America
  • Yew Family (Taxaceae)

Arborvitae or White Cedar (Thuja occidentalis) L.

Arborvitae

  • Planted ornamentally across campus and in Arb
  • Northeastern North America
  • Cultivars: 'Sunkist'
  • Cypress Family (Cupressaceae)

American Basswood or Linden (Tilia americana) L.

American Basswood

  • Individual trees planted widely across campus and near Interpretive Center
  • Eastern and central North America
  • Cultivars: ‘Sentry’
  • Mallow Family (Malvaceae)

Greenspire Linden (Tilia cordata)

  • Individual trees planted in Linden collection west of Borgeson cabin?
  • Europe and western Asia
  • Mallow Family (Malvaceae)

Littleleaf Linden (Tilia x flavescens)

  • Individual trees planted in Linden collection west of Borgeson cabin
  • Hybrid from American Basswood and Greenspire Linden
  • Cultivars: ‘Glenleven’
  • Mallow Family (Malvaceae)

Eastern Hemlock (Tsuga canadensis)

Eastern Hemlock

  • Individual trees planted near campus center and Nobel Hall, also single tree planted in lawn area west of Interpretive Center
  • Eastern North America
  • Pine Family (Pinaceae)

Wayfaring Tree (Viburnum lantana) L.

Wayfaring Tree

  • Individual trees planted in perennial gardens near Interpretive Center and elsewhere in Arb
  • Western Europe, northern Africa, and southwestern Asia
  • Honeysuckle Family (Caprifoliaceae)

Highbush Cranberry (Viburnum trilobum) L.

Highbush Cranberry

  • Plantations behind Interpretive Center and southeast of Borgeson cabin in Arb
  • Northern North America
  • Honeysuckle Family (Caprifoliaceae)