Alnus glutinosa (L.) Gaertn. (European black alder), habit (3.71492)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), tree habit. Pyramid-shaped tree against sky in background above with trees and grass below.
Alnus glutinosa (L.) Gaertn. (European black alder), branches (3.71493)
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), leaves (3.71494)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), leaves. Two green leaves in detail.
Alnus glutinosa (L.) Gaertn. (European black alder), leaves (3.71495)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), leaves. Two green leaves in detail, one little, one big, three tiny ones.
Alnus glutinosa (L.) Gaertn. (European black alder), branches, leaves, and fruit (3.71496)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), branches, leaves, and fruit. Detail of green leaves and fruit on gray branches against the sky. Other branches with same in upper left hand corner.
Alnus glutinosa (L.) Gaertn. (European black alder), twigs with leaves, catkins, and fruit (3.71497)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), twigs with leaves, catkins, and fruit. Detail of gray twig, green leaves, brown catkins and fruit against green background.
Alnus glutinosa (L.) Gaertn. (European black alder), trunk, bark (3.71498)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), gray trunk in detail with green leaves in background
Alnus glutinosa (L.) Gaertn. (European black alder), leaves (3.71499)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), leaves. Green leaves detail on twig with green leaves and trunk in background
Alnus glutinosa (L.) Gaertn. (European black alder), habit (3.71500)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), tree in front of The Morton Arboretum Administration Building
Alnus glutinosa (L.) Gaertn. (European black alder), habit (3.71501)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), tree next to lake with grass and trees and sky in the background
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), 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), catkins (3.71504)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), catkins. Green catkins in detail with leaves and buds on gray twigs against grayish-green blurry background.
Alnus glutinosa (L.) Gaertn. (European black alder), leaves (3.71505)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), leaves. Green leaves, one lighter cluster, in detail on gray twigs with a fruit. Green background.
Alnus glutinosa (L.) Gaertn. (European black alder), habit (3.71506)
Date: 2005 – 2012Creator: Hagstrom, John
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), tree with lake behind to the right. Paved path and tall grasses in the foreground. Trees and sky in background.
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.
Alnus glutinosa (L.) Gaertn. (European black alder), habit (3.71508)
Date: 2005 – 2012Creator: Franklin, Jeff
Type: Photographic image
Description:Alnus glutinosa (L.) Gaertn. (European black alder), tree against blue sky with green grass and trees and shrubs in lower background. shrubs in left-hand foreground.
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 '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