Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), branches 2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), leaves 2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), branches2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), habit2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), habit2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), habit2005 – 2012
Hagstrom, John
Photographic image
Education charts: Twigs, #2
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), leaves 2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), bark, trunk2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), leaves2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), branches 2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa 'Pyramidalis' (Pyramidal European black alder), catkins2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), branches, leaves, and fruit 2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), catkins2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa 'Pyramidalis' (Pyramidal European black alder), fruit2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), twigs with leaves, catkins, and fruit2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), leaves 2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), trunk, bark2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa (L.) Gaertn. (European black alder), habit2005 – 2012
Hagstrom, John
Photographic image
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, immatureJune 8 2017
Hedborn Jr., Edward A.
Photographic image
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, matureJune 8 2017
Hedborn Jr., Edward A.
Photographic image
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), fruit, matureJune 8 2017
Hedborn Jr., Edward A.
Photographic image
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), habit, summerJune 8 2017
Hedborn Jr., Edward A.
Photographic image
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), leaf, lower surfaceJune 8 2017
Hedborn Jr., Edward A.
Photographic image
Alnus glutinosa 'Pyramidalis' (Pyramidal European Black Alder), leaf, upper surfaceJune 8 2017
Hedborn Jr., Edward A.
Photographic image
Alnus glutinosa (European Black Alder), bud, lateralMarch 23 2009
Hedborn Jr., Edward A.
Photographic image
Alnus glutinosa (European Black Alder), bud, staminateSeptember 10 2011
Hedborn Jr., Edward A.