1991/05/29: Zhang Cheng Lin to Dr. Ross Clark (3.57368)
Date: May 29 1991Creator: Cheng Lin, Zhang
Type: Document
Description:Letter from Zhang Cheng Lin to Dr. Ross Clark discussing his earlier research papers written during his studies to achieve his BA and Master's in Forest Ecology and his desire to obtain his PHD in the United States.
Extent: 4 sheets
Alnus glutinosa 'Pyramidalis' (Pyramidal European black alder), catkins (3.71487)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa 'Pyramidalis' (Pyramidal European black alder) catkins. Brown catkins and gray twigs with green leaves detail. Green background.
Alnus glutinosa 'Pyramidalis' (Pyramidal European black alder), fruit (3.71488)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa 'Pyramidalis' (Pyramidal European black alder), fruit. Small brown cone-like fruit on gray twig with green leaves detail. Green background.
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, immature (3.81843)
Date: June 8 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, immature
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, mature (3.81844)
Date: June 8 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, mature
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, mature (3.81845)
Date: June 8 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, mature
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), habit, summer (3.81846)
Date: June 8 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), habit, summer
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), leaf, lower surface (3.81847)
Date: June 8 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), leaf, lower surface
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), leaf, upper surface (3.81848)
Date: June 8 2017Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), leaf, upper surface
Alnus glutinosa (European Black Alder), bud, lateral (3.81849)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), bud, lateral
Alnus glutinosa (European Black Alder), bud, staminate (3.81850)
Date: September 10 2011Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), bud, staminate
Alnus glutinosa (European Black Alder), bud, staminate (3.81851)
Date: September 10 2011Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), bud, staminate
Alnus glutinosa (European Black Alder), bud, terminal (3.81852)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), bud, terminal
Alnus glutinosa (European Black Alder), flower, full (3.81853)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), flower, full
Alnus glutinosa (European Black Alder), flower, pistillate (3.81854)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), flower, pistillate
Alnus glutinosa (European Black Alder), flower, staminate (3.81855)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), flower, staminate
Alnus glutinosa (European Black Alder), flower, staminate (3.81856)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), flower, staminate
Alnus glutinosa (European Black Alder), fruit, immature (3.81857)
Date: September 10 2011Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), fruit, immature
Alnus glutinosa (European Black Alder), fruit, immature (3.81858)
Date: September 10 2011Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), fruit, immature
Alnus glutinosa (European Black Alder), fruit, immature, infructesence (3.81859)
Date: July 1 2015Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), fruit, immature, infructesence
Alnus glutinosa (European Black Alder), fruit, mature (3.81860)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), fruit, mature
Alnus glutinosa (European Black Alder), habit, summer (3.81861)
Date: September 10 2011Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), habit, summer
Alnus glutinosa (European Black Alder), habit, summer (3.81862)
Date: July 1 2015Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), habit, summer
Alnus glutinosa (European Black Alder), habitat, habit, winter (3.81863)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), habitat, habit, winter
Alnus glutinosa (European Black Alder), habitat, habit, winter (3.81864)
Date: March 23 2009Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), habitat, habit, winter
Alnus glutinosa (European Black Alder), inflorescence (3.81865)
Date: September 27 2007Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), inflorescence
Alnus glutinosa (European Black Alder), inflorescence (3.81866)
Date: September 27 2007Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), inflorescence
Alnus glutinosa (European Black Alder), leaf, new (3.81867)
Date: July 1 2015Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), leaf, new
Alnus glutinosa (European Black Alder), leaf, summer (3.81868)
Date: September 27 2007Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), leaf, summer
Alnus glutinosa (European Black Alder), leaf, summer (3.81869)
Date: July 1 2015Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Alnus glutinosa (European Black Alder), leaf, summer
Alnus glutinosa (L.) Gaertn. (European black alder), bark, trunk (3.71502)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), gray bark in detail. Green area in lower left-hand corner.
Alnus glutinosa (L.) Gaertn. (European black alder), bark, trunk (3.71509)
Date: 2005 – 2012Creator: Franklin, Jeff
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), gray trunk in detail with green leaves in the background
Alnus glutinosa (L.) Gaertn. (European black alder), branches (3.71503)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), branches. Silhouette of branches and leaves against a light blue sky with clouds.
Alnus glutinosa (L.) Gaertn. (European black alder), branches (3.71489)
Date: 2005 – 2012Creator: Franklin, Jeff
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder) branches. Detail of branches with green leaves. Grass and trees and path in background.
Alnus glutinosa (L.) Gaertn. (European black alder), branches (3.71491)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), tree branches. Branches in detail with catkins and fruit against sky.
Alnus glutinosa (L.) Gaertn. (European black alder), branches (3.71507)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), branches in detail. Dead leaves, catkins, and fruit against blue sky.