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The Morton Arboretum
Tyznik, Anthony
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Watts, May Theilgaard
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Collection of May Theilgaard Watts materials
The Morton Arboretum Records
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Abies balsamea (L.) Mill. (balsam fir)
Abies concolor (Hook.) Nutt. (white fir)
Aesculus glabra Willd. (Ohio buckeye)
Asimina triloba (L.) Dunal (pawpaw)
Betula papyrifera Marsh. (paper birch)
Betula populifolia Marsh. (gray birch)
Catalpa Scop. (catalpa)
Cercis canadensis L. (redbud)
Cercis L. (redbud)
Christmas trees
Climate--Observations
Cornus florida L. (flowering dogwood)
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Drawings -- United States -- 20th century
Fagus L. (beech)
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Liriodendron tulipifera L. (tulip-tree)
Maclura pomifera (Raf.) C. K. Schneid. (Osage-orange)
Magnolia (magnolia)
Morus rubra L. (red mulberry)
Pen works -- United States -- 20th century
Picea abies (L.) (Norway spruce)
Picea glauca (Moench) Voss (white spruce)
Picea pungens Engelm. (blue spruce)
Pinaceae (pine family)
Pinus banksiana Lamb. (jack pine)
Pinus flexilis James (limber pine)
Pinus jeffreyi Balfour ex Murr. (Jeffrey pine)
Pinus ponderosa Douglas ex Lawson (ponderosa pine)
Pinus resinosa Ait. (red pine)
Pinus rigida Mill. (pitch pine)
Pinus strobus L. (eastern white pine)
Platanus occidentalis L. (sycamore)
Pseudotsuga menziesii (Mirb.) Franco (Douglas-fir)
Quercus L. (oak)
Quercus palustris Münchh. (pin oak)
Robinia pseudoacacia L. (black locust)
Sorbus L. (mountain-ash)
Thuja (arborvitae)
Tree declines
Trees--Diseases and pests
Trees--Identification
Trees--Wounds and injuries
Tsuga (hemlock)
Tsuga canadensis (L.) Carr. (eastern hemlock)
Urban forestry
Winter
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DrawingThe Christmas Trees

1945

Watts, May Theilgaard

DrawingTrees Native To North America But Not To This Region That Can Be Grown Here

Watts, May Theilgaard

The Morton Arboretum Quarterly V. 10 No. 04
SerialThe Morton Arboretum Quarterly V. 10 No. 04

December 21 1974 – March 20 1975

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