Pleasant Hills Arboretum Tree Species (Updated March 2015)

N=Native to the arboretum according to the Carnegie Museum Plant and Bird Census, 1954

1) Northern Red Oak, Quercus rubra .
2) White Oak, Quercua alba . N (Leaves deeply divided and narrow lobed, a variety, unlike other Pittsburgh White Oak varieties, 1954 survey)
3) Shingle Oak, Quercus imbricaria N,
4) Black Oak, Quercus velutina N
5) Scarlet Oak, Quercus cuccinea N
6) Sugar Maple, Acer saccharum, N,
7) Black Maple, Acer nigrum, N
8) Red Maple, Acer rubrum N,
9) Hackberry, Celtis occidentalis N
10) Downy Serviceberry, Amelanchier arborea N,
11) Wild Black Cherry, Prunus serotina N
12) Sweet Cherry, Prunus avium
13) Wild Crab Apple, Pyrus coronaria
14) Black Walnut, Juglans nigra N,
15) Butternut, Juglans cinerea L Species . N Sapling observed in 1954 Carnegie Museum survey, one larger specimen mentioned at top of the hill and has not been located.
16) Sassafras, Sassafras albidum , N
17) American Beech, Fagus grandifolia, N
18) White Ash, Fraxinus americana , N
19) Flowering Dogwood, Cornus florida, N ,
20) Mockernut Hickory, Carya tomentosa, N
21) Slippery Elm, Ulmus rubra N
22) Hornbeam (Blue Beech,) Carpinus caroliniana, N
23) Red Mulberry, Morus Rubra, N (Rarest native tree on tract- 1954. This tree has not been located and may need to be removed from list)
24) Cucumber Magnolia, Magnolia acuminata N
25) Cockspur Hawthorn, Crataegus crus-galli N (rare?)
26) Dotted Hawthorn, Crataegus punctata N
27) Scarlet Hawthorn, Crataegus coccinea N
28) Hawthorn, unknown planted species,
29) Staghorn Sumac, Rhus typhina N
30) Blackhaw, Viburnum prunifolium N
31) Chinese Chestnut, Castanea Mollissima
32) Smooth Sumac, Rhus glabra N
33) Silver Maple, Acer saccharinum
34) London Plane, Platanus Xacerifolia
35) White Pine, Pinus strobus Planted speciman
36) Moraine Locust , Gleditisia triacanthos inermis "Moraine"
37) Shagbark Hickory, Carya ovate N
38) Ginkgo, Ginkgo biloba L
39) Eastern Redbud, Cercis Canadensis,
40) Norway Spruce, Picea abies
41) Blue Spruce, Picea pungens
42) Serbian Spruce, Picea ornorika
43) Eastern Hemlock, Tsuga canadensis
44) Little-leaved Linden, Tilia Cordata
45) Sweet Gum, Liquidambar stryraciflua
46) Bradford Pear, Pyrus calleryana "Bradford"
47) Eastern Hophornbeam (Ironwood,) Ostrya Virginiana, N
48) Flowering Crab, Malus Sp (Many species)
51) Horse Chestnut, Aesculus hippacastanum
52) Paw Paw (3), Asimina trilobia
53) American Holly ,Ilex opaca Planted speciman
54) Boxelder, Ashleaf Maple, N, Acer negundo
55) Flowering Plum, Prunus sp.
56) Norway Maple, Acer platannoides
57) Green Ash, Fraxinus pennsylvanica marsh N
58) Kousa Dogwood, Cornus Kousa,
59) Yellow-Poplar (Tuliptree) Liriodendron tulipifera
60) Frasier Fir, Abies fraseri
61) Swamp White Oak Quercus bicolor
62) Common Persimmon, Diospyros virginiana L
63) Royal Paulownia, Paulownia tomentosa
64) Dawn Redwood, Metesequoia glyptostroboides,
65) Pin Oak, Quercus, palustris Muenchh
66) American Basswood, Tilia Americana
67) Red Pine, Pinus Resinosa Ait
68) Osage Orange (3), Maclura pomifera
69) Yellow Buckeye, Aesculus octandra
70) Ohio Buckeye, Aesculus glabra
71) Bald Cyprus, Taxodium distichum
72) Northern Catalpa, Catalpa speciose
73) Kentucky Coffee, Gymnocladus dioicus (L)
74) False Cypress, Chamaecyparis pisifera
75) Chestnut Oak, Planted by Greg Smith and Paul Beck, November 24, 2014

Sources

1)"Two Days at Pleasant Hills, A Plant and Bird Census of the Pleasant Hills Arboretum, 1954
2)Survey by Harry Herzberger, Arborist October 30, 2001
3)Key to trees printed by Noel Moebs of planted trees in the Pleasant Hills Arboretum
4)"The Audubon Society Field Guide to North American Trees" Eastern Region, Elbert Little, published by Alfred A. Knopf, 1985