Acer campestre (hedge maple), bark (3.37234)

Date: September 1979
Creator: Bachtell, Kris
Type: Photographic image
Description:Acer campestre (hedge maple), view of bark on the trunk and limbs of tree
Extent: 1 slide

Acer negundo (boxelder), fruit and leaves (3.37499)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer negundo (boxelder) female tree, fruit in the form of pairs of winged seeds (samaras) hanging in clusters
Extent: 1 slide

Acer negundo (boxelder), flowers (3.37563)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer negundo (boxelder), closeup detail of flowers budding from tip of twig
Extent: 1 slide

Acer saccharinum (silver maple), spring (3.37891)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer saccharinum (silver maple), tree along the bank of a body of water with bright green foliage
Extent: 1 slide

Acer saccharinum (silver maple), twig and buds, spring (3.37903)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer saccharinum (silver maple), closeup detail of the tip of a single twig with reddish buds in early spring
Extent: 1 slide

Acer saccharinum (silver maple), fruit and leaves (3.37912)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer saccharinum (silver maple), closeup of bright pale green samaras, typical winged fruit of maples, hanging from twig with leaves
Extent: 1 slide

Acer saccharum (sugar maple), flowers (3.37948)

Date: April 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer saccharum (sugar maple), closeup detail of pale yellow flowers dangling on long stalks budding from twig
Extent: 1 slide

Acer saccharinum (silver maple), female flowers and buds, spring (3.37987)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer saccharinum (silver maple), closeup detail of reddish pistillate female flowers budding from twig in spring
Extent: 1 slide

Acer saccharum (sugar maple), habit, spring (3.38004)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer saccharum (sugar maple), partial view of tree habit in early spring, branches are covered with pale yellowish flowers which produce a hazy effect
Extent: 1 slide

Acer platanoides (Norway maple), habit, spring (3.38101)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acer platanoides (Norway maple), full view of large tree standing in front of residence, branches are sparsely covered with yellow-green flowers in early spring; shape of upright habit and broad, rounded crown are visible
Extent: 1 slide

Acer pseudosieboldianum (Korean maple), fall color (3.38115)

Date: December 1979
Type: Photographic image
Description:Acer pseudosieboldianum (Korean maple), branches with bright red fall foliage
Extent: 1 slide

Acer rubrum (red maple), buds (3.38116)

Date: March 1979
Creator: 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), flowers, spring (3.38136)

Date: May 1979
Creator: Kohout, John
Type: Photographic image
Description:Acer rubrum (red maple), partial view of the top portion of the crown of the tree against a blue sky, showing mostly bare branches with budding bright red short-stemmed flowers in very early spring
Extent: 1 slide

Acer rubrum (red maple), fruit, spring (3.38153)

Date: May 1979
Creator: Kohout, John
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of developing fruit in typical winged pairs hanging from long stems at the tip of twig 
Extent: 1 slide

Acer rubrum (red maple), fruit, spring (3.38171)

Date: May 1979
Creator: Kohout, John
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of developing fruit in typical winged pairs hanging from long stems at the tip of twig
Extent: 1 slide

Acer rubrum (red maple), fruit, spring (3.38173)

Date: May 1979
Creator: Kohout, John
Type: Photographic image
Description:Acer rubrum (red maple), closeup detail of a twig with clusters of developing fruit hanging from long stems in typical winged pairs called samaras
Extent: 1 slide

Acer rubrum (red maple), early spring (3.38178)

Date: March 1979
Creator: 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

Quercus muehlenbergii (chinkapin oak), male flowers detail (3.47363)

Date: May 1979
Creator: Dritz, Ken
Type: Photographic image
Description:Quercus muehlenbergii (chinkapin oak), closeup detail of green catkins hanging from twig with new green leaves
Extent: 1 slide

Quercus palustris (pin oak), fall leaves detail (3.47397)

Date: October 1979
Type: Photographic image
Description:Quercus palustris (pin oak), detail of reddish-brown leaves with oak wilt on tree
Extent: 1 slide

Quercus rubra (northern red oak), female flowers detail (3.57782)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up view of two female flowers detailing tiny red spikes in leaf axils and fine yellowish hairs on green stem set against black background
Extent: 1 slide

Asimina triloba (pawpaw), twig with buds detail (3.63996)

Date: April 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Asimina triloba (pawpaw), close-up image detailing terminal pointed leaf bud and two lateral round, fuzzy dark brown flower buds without scales above leaf scars at tip of pale brown twig on tree
Extent: 1 slide

Asimina triloba (pawpaw), twig with buds detail (3.63997)

Date: April 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Asimina triloba (pawpaw), close-up image detailing terminal pointed leaf bud and two lateral round, fuzzy dark brown flower buds without scales above leaf scars at tip of pale brown twig on tree
Extent: 1 slide

Asimina triloba (pawpaw), new leaves and flowers detail (3.64006)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Asimina triloba (pawpaw), closeup showing pale green underleaf of simple, untoothed leaves, single bud without scales and three flowers, two purple-brown with six petals and another green bell-like blooms hanging below near tip of pale brown twig
Extent: 1 slide

Carya ovata (shagbark hickory), buds detail (3.64090)

Date: April 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Carya ovata (shagbark hickory), closeup of large terminal bud and two lateral buds and leaf scars at tip of brown twig on tree
Extent: 1 slide

Abutilon theophrasti (velvetleaf), habit (3.81654)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Abutilon theophrasti/Velvetleaf, plant stem, leaves, flowerbuds, seedpods.

Acalypha gracilens A. Gray (slender threeseed mercury), habit (3.81663)

Date: March 1979
Creator: Kohout, John
Type: Photographic image
Description:Acalypha gracilens A. Gray (slender threeseed mercury), habit
Extent: 1 slide

Achillea millefolium (yarrow), flowering stalks (3.82396)

Date: April 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Achillea millefolium (yarrow), 2 white flowering stalks, good view of leaf and flower structure
Extent: 1 slide

Amaranthus tuberculatus (Moq.) Sauer (roughfruit amaranth), habit (3.82416)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Amaranthus tuberculatus (Moq.) Sauer (roughfruit amaranth), single plant stalk, with flowering spikes
Extent: 1 slide

Acorus calamus L. (sweet flag), spadix (3.82427)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Acorus calamus L. (sweet flag), single spadix emerging from spathe.
Extent: 1 slide

Actaea pachypoda Elliott (white baneberry), flowers (3.82438)

Date: March 1979
Type: Photographic image
Description:Actaea pachypoda Elliott (white baneberry), a cluster of small white flowers, forming a cylindrical shape, in a terminal, erect raceme. The stem is framed by dark green astilbe-like leaves.

 
Extent: 1 slide

Actaea pachypoda Elliott (white baneberry), habit (3.82450)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Actaea pachypoda Elliott (white baneberry), single flower stalk, rising above base of plant, flanked by several stems of  2/3 large compound leaves. It appears as if the background of the plant is a woodland rock outcrop.
 
Extent: 1 slide

Actaea rubra f. neglecta (Gillman) Robins (white-fruited red baneberry), fruit and leaves (3.82459)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Actaea rubra f. neglecta (Gillman) Robins (white-fruited red baneberry), cluster of white berries, surround by the plants foliage. The entire background rather dark.

 
Extent: 1 slide

Actaea rubra (Aiton) Willd. (red baneberry), fruit and leaves (3.82462)

Date: March 1979
Creator: Kohout, Kitty
Type: Photographic image
Description:Actaea rubra (Aiton) Willd. (red baneberry), top down view of small cluster of red berries, surrounded by the plant's trilobed, serrated leaves.
Extent: 1 slide

Aegilops cylindrica Host. (jointed goat weed), stems (3.82519)

Date: March 1979
Creator: Kohout, John
Type: Photographic image
Description:Aegilops cylindrica Host. (jointed goat weed), dark background with close view of 5-6 stems.
 
Extent: 1 slide

Aesculus glabra Willd. (Ohio buckeye), bud, terminal (3.82550)

Date: May 1979
Creator: Kohout, John
Type: Photographic image
Description:Aesculus glabra Willd. (Ohio buckeye), close view of a single terminal bud, just beginning to open, against a dark green background.
Extent: 1 slide

Aesculus glabra Willd. (Ohio buckeye), bud, terminal (3.82557)

Date: May 1979
Creator: Kohout, John
Type: Photographic image
Description:Aesculus glabra Willd. (Ohio buckeye), a very close view of a terminal bud beginning to open. The end scales are separated, and the tightly pleated leaves be can be seen. The bud is seen against a deep green background.
Extent: 1 slide