Notes

Slide Show

Outline

1	Street Tree ID
2	Broadleaf/Evergreen
3	Opposite/Whorled/Alternate
4	Simple/Compound
5	Lobed/Unlobed
6	Sinus
7	Maples
8	Sugar Maple Acer saccharum
9	Norway Maple Acer platanoides
10	Silver Maple Acer saccharinum
11	Red Maple Acer rubrum
12	Japanese Tree Lilac Syringa reticulata
13	Palmate/Pinnate
14	Lobed/Unlobed
15	Ash Fraxinus spp.
16	Boxelder Acer negundo
17	Horsechestnut Aesculus hippocastanum
18	Catalpa Catalpa speciosa
19	Simple/Compound
20	Lobed/Unlobed
21	Pinnately/Palmately
22	Oaks
23	Red Oak Quercus rubra
24	Pin Oak Quercus palustris
25	Sycamore Platanus x acerifolia
26	Teeth Large/Teeth Fine
27	Large Teeth
28	Birch Betula spp.
29	Hawthorn Crataegus spp.
30	Elm Ulmus spp.
31	Fine Teeth
32	Linden Tilia spp.
33	Cherry Prunus spp.
34	Crabapple Malue spp.
35	Pear Pyrus spp.
36	Leaflet
37	Black Walnut Juglans nigra
38	Honeylocust Gleditsia triacanthos
39	Tree of Heaven Ailianthus altisima
40	Evergreen needles
41	Pines
42	Austrian Pine Pinus nigra
43	White Pine Pinus strobus
44	Spruce Picea spp.
45	Dichotomous Key Divide into two
46	Acknowledgements Presentation and photos by David Swaciak Parts of the key and species descriptions based on “Tree ID Guide for Common Urban Trees in NY State”, available from the Urban Horticulture Institute, Cornell University. http://www.hort.cornell.edu/ department/faculty/bassuk/ uhi/index.html