1981/03/03: Jeff Dawson to George Ware (3.38659)
Date: March 3 1981Creator: Dawson, Jeffrey O.
Type: Document
Description:Letter from Jeff Dawson, Assistant Professor of Forestry at University of Illinois at Urbana-Champaign to George Ware discussing an outline of proposed research concerning the low soil oxygen tolerance (with mention of ethanol and flood tolerance) of maple and oak trees.
Enclosed with letter
An Ethanol Tree-Seedling Assay: A Potential Method to Screen Trees for Tolerance to Low Soil Oxygen Conditions Resulting from Soil Compaction and Paving. Review of current literature and proposal for two experiments to examine oxygen deficiency and ethanol tolerance in tree seedling roots. The results would be used in the creation of an tree survivability index which would be of use in flood prone areas or compacted urban and recreational sites.
Extent: 7 sheets, 1 envelope
1991/10/04: George Ware to Suzanne Malec (3.56304)
Date: October 4 1991Creator: Ware, George
Type: Document
Description:Facsimile of an abstract and research paper sent to Suzanne Malec of the Open Land Project. The paper, Trees for Restricted Spaces was written by George Ware and discusses the genetic, topographic, and edaphic factors to take into consideration when selecting urban trees.
Extent: 8 sheets
Acer (maple), bud and twig comparison (3.38063)
Type: Photographic image
Description:Buds on twigs of four different species of maple, from left to right: Acer negundo (boxelder), Acer rubrum (red maple), Acer platanoides (Norway maple), Acer saccharum (sugar maple)
Extent: 1 slide
Acer rubrum (red maple), bark (3.38151)
Date: December 1981Creator: Kohout, Kitty
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of gray, ridged bark on older tree trunk
Extent: 1 slide
Acer rubrum (Red Maple), bark, mature (3.41250)
Date: November 7 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), bark, mature
Acer rubrum (Red Maple), bark, mature (3.41251)
Date: March 23 2016Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), bark, mature
Acer rubrum (Red Maple), bark, mature (3.41252)
Date: March 23 2016Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), bark, mature
Acer rubrum (Red Maple), bark, mature (3.41253)
Date: March 23 2016Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), bark, mature
Acer rubrum (Red Maple), bark, trunk (3.41254)
Date: October 12 2016Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Acer rubrum (Red Maple), bark, trunk
Acer rubrum (Red Maple), bud, flower (3.41255)
Date: March 10 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), bud, flower
Acer rubrum (Red Maple), bud, flower (3.41256)
Date: March 10 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), bud, flower
Acer rubrum (Red Maple), bud, flower (3.41257)
Date: March 10 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), bud, flower
Acer rubrum (Red Maple), bud, terminal (3.41258)
Date: February 5 2012Creator: Lobdell, Matt
Type: Photographic image
Description:Acer rubrum (Red Maple), bud, terminal
Acer rubrum (red maple), buds (3.38168)
Date: April 1972Creator: Kohout, Kitty
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of the tip of a twig with large, rounded buds
Extent: 1 slide
Acer rubrum (red maple), buds (3.38116)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of reddish twig with large, rounded and opposite flower buds
Extent: 1 slide
Acer rubrum (red maple), buds and flowers (3.38133)
Date: March 16 1983Creator: Kohout, Kitty
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of a twig in very early spring with budding bright red short-stemmed flowers
Living Collections Accession Number: 910-57
Location on grounds using The Morton Arboretum grid map: N-57/28-11 (Diversity Collection)
Extent: 1 slide
Acer rubrum (red maple), early spring (3.38178)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Acer rubrum (red maple), multiple trees in early spring with mostly bare branches except for bright red developing flowers.
Extent: 1 slide
Acer rubrum (red maple), fall color (3.38129)
Date: October 1992Creator: Nachel, Jim
Type: Photographic image
Description:Acer rubrum (red maple), tree with bright red, orange and yellow leaves situated adjacent to a paved path; a small plaque is posted in front of the tree
Extent: 1 slide
Acer rubrum (red maple), female flower (3.38152)
Date: December 1972Creator: Reynolds, P. J.
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of female flower budding from the tip of twig against black backdrop
Extent: 1 slide
Acer rubrum (red maple), flower and fruit (3.38166)
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of a single reddish-pink female flower with the characteristic wings of samara fruit emerging
Extent: 1 slide
Acer rubrum (Red Maple), flower, pistillate (3.41259)
Date: April 4 2009Creator: Allen, Elaine
Type: Photographic image
Description:Acer rubrum (Red Maple), flower, pistillate
Acer rubrum (Red Maple), flower, staminate (3.41260)
Date: March 23 2016Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), flower, staminate
Acer rubrum (Red Maple), flower, staminate (3.41261)
Date: March 23 2016Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), flower, staminate
Acer rubrum (Red Maple), flower, staminate (3.41262)
Date: April 13 2011Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), flower, staminate
Acer rubrum (Red Maple), flower, staminate (3.41263)
Date: April 13 2011Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Acer rubrum (Red Maple), flower, staminate
Acer rubrum (red maple), flowers (3.38172)
Date: May 1961Creator: Scott, Marion
Type: Photographic image
Description:Acer rubrum (red maple), against dark blue backdrop, closeup detail of reddish female flowers budding from twig
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38161)
Date: April 1968Creator: Jirak, Jana R.
Type: Photographic image
Description:Acer rubrum (red maple), against black backdrop, closeup detail of early female flowers with reddish color budding from twig
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38162)
Date: May 1984Creator: Dritz, Ken
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of slightly yellowish male flowers
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38163)
Date: April 1962Creator: Scott, Marion
Type: Photographic image
Description:Acer rubrum (red maple), against blue backdrop, closeup detail of reddish female flowers budding from twig
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38164)
Date: March 16 1983Creator: Kohout, Kitty
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of slightly yellowish male flowers budding from twig in early spring
Living Collections Accession Number: 910-57
Location on grounds using The Morton Arboretum grid map: N-57/28-11 (Diversity Collection)
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38165)
Date: December 1972Creator: Reynolds, P. J.
Type: Photographic image
Description:Acer rubrum (red maple), against a black backdrop, closeup detail of slightly yellowish male flowers budding from twig
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38137)
Date: April 1976Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of male flower (left) with long stamens extending beyond the pink and yellow petals and pollen on the anthers; and female flower (right) a deep red color with stigma extending out from petals
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38167)
Date: May 1984Creator: Dritz, Ken
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of clusters of red female flowers budding from twig
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38169)
Creator: Blaha, G. W.
Type: Photographic image
Description:Acer rubrum (red maple), against a black backdrop, closeup detail of a cluster of male flowers, slightly yellowish in color, budding from twig
Extent: 1 slide
Acer rubrum (red maple), flowers (3.38160)
Date: March 1966Creator: Kohout, Kitty
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of early female flowers with reddish color budding from twig
Extent: 1 slide
Acer rubrum (red maple), flowers, spring (3.38121)
Date: April 27 1982Creator: Kohout, John, Kohout, Kitty
Type: Photographic image
Description:Acer rubrum (red maple), detail of flowers developing in bright red clusters on twig in spring
Living Collections Accession Number: 910-57
Location on grounds using The Morton Arboretum grid map: N-57/28-11 (Diversity)
Extent: 1 slide