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Tony Tyznik holding up twig while teaching a class
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Grounds crew burying a pipe near the Arboretum's west side entrance
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“Nature City”: Translating the Natural Environment into Urban LanguageJune 21 – September 20 1975
Lewis, Charles A.
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Green Nature, Human Nature book signing in Sterling Morton Library, group of guests in conversation in May T. Watts Reading GardenMay – June 1996
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Membership Tea event in the Sterling Morton Library, Ian MacPhail addressing members1992
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Rick Hootman and Joe Larkin reviewing maps and plans in the new Map Room1989
Irving, Gary
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Professor Joseph Ewan speaking to two men at lecture in the Sterling Morton LibrarySeptember 1992
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May Watts lecturing for a Lunching and Learning class
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Members' Cooperative Research Program, plants in boxes in tentApril 1994
Nachel, Jim
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Ed Hedborn reviewing images of plants in book with woman at Plant Clinic deskOctober 1994
Nachel, Jim
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Gary Watson and research volunteers washing roots
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Salt study, Pat Kelsey with installing buckets along Lake Shore DriveFebruary 1993
Nachel, Jim
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Scanning Electron Microscope (SEM) research - SEM photo: Pollen grains of Tall Goldenrod1986
Hess, William J.
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Black Walnut, Juglans nigra: Walnut Family (Juglandaceae)December 21 1976 – March 20 1977
Tyznik, Anthony
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Shagbark Hickory, Carya ovata: Walnut Family (Juglandaceae)September 21 – December 20 1977
Tyznik, Anthony
Article
Orphans in the Plant World: Examples of Monotypic FamiliesJune 21 – September 20 1978
Swink, Floyd, Hall, Marion Trufant, Hess, William J.
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Surprising Southerners: Some Woody Plants at Home Away from HomeMarch 21 – June 20 1982
Ware, George
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Fred Berg, seated portrait