Alnus glutinosa (L.) Gaertn.
(Alder)

Taxonomic hierarchy:
SpeciesAlnus glutinosa (Alder)
GenusAlnus (alders)
FamilyBETULACEAE (birches, hazels, hornbeams and alders)
OrderFAGALES (forest trees)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Alnus glutinosa (Alder) :
1: Alnus glutinosa (Alder)
7 Jan 2010 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
Line of snow-covered winter trees along stream
Image 1: Snow-covered branches - in sunshineImage 2: Snow-covered branches - in sunshine (2)Image 3: Snow-covered branches - in sunshine (3)Image 4: Snow-covered winter trees - in sunshineImage 5: Snow-covered winter trees - in sunshine (2)Image 6: Snow-covered winter trees - in sunshine (3)Image 7: Snow-covered winter trees - in sunshine (4)Image 8: Snow-covered winter trees - in sunshine (5)Image 9: Snow-covered winter trees - in sunshine (6)
2: Alnus glutinosa (Alder)
25 Sep 2005 OSGR: SU57 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
. Photos: Leaf, female cone
Image 1: Female cones - pale backgroundImage 2: Female cones - pale background (2)Image 3: Leaf - upper side - pale backgroundImage 4: Leaf - under side - pale backgroundImage 5: Leaf lamina, midrib and major vein - upperside - close-up - highly enlargedImage 6: Leaf midrib and major veins - underside - close-up - highly enlargedImage 7: Leaf midrib and major veins - underside - close-up - highly enlarged (2)
3: Alnus glutinosa (Alder)
3 Feb 1999 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
Image 1: Pollen - edge viewImage 2: Pollen grain - face viewImage 3: Pollen grains
4: Alnus glutinosa (Alder)
2 Feb 1999 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
Image 1: Ripe cone - close-upImage 2: Ripe conesImage 3: SeedlingImage 4: Seedling - seed leavesImage 5: Seeds
5: Alnus glutinosa (Alder)
22 Feb 1998 OSGR: SU57 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: Female and male catkinsImage 2: Female and male catkins (2)Image 3: Female catkinsImage 4: Last year\'s fruitsImage 5: Male catkinImage 6: Male catkin (2)Image 7: Male catkinsImage 8: Male catkins just about to openImage 9: Male catkins just about to open (2)Image 10: Winter twig
6: Alnus glutinosa (Alder)
29 Feb 1976 OSGR: SU93 51° 0’ N, 0° 40’ W Vice County: West Sussex (VC 13) England
Image 1: CatkinsImage 2: Trees with catkins
7: Alnus glutinosa (Alder)
6 Jun 1975 OSGR: SU86 51° 20’ N, 0° 50’ W Vice County: Berks (VC 22) England
Young tree
Image 1: Young tree
8: Alnus glutinosa (Alder)
24 Jun 1971 OSGR: TG31 52° 40’ N, 1° 30’ E Vice County: East Norfolk (VC 27) England
Image 1: Foliage
9: Alnus glutinosa (Alder)
13 Mar 1971 OSGR: TG10 52° 40’ N, 1° 10’ E Vice County: East Norfolk (VC 27) England
Image 1: Female catkins
10: Alnus glutinosa (Alder)
6 Apr 1969 OSGR: TQ21 50° 60’ N, 0° 10’ W Vice County: East Sussex (VC 14) England
Image 1: Catkins

Identification Works

AuthorYearTitleSource

Plant Pathology

Ingold, C.T. 1942 Aquatic hyphomycetes of decaying Alder leaves TBMS Vol 25(4): 339-417, 6 Plates.

Alnus glutinosa (Alder) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Alnus glutinosa (Alder)
BioInfoBioInfo (www.bioinfo.org.uk) has 80 host/parasite/foodplant and/or other relationships for Alnus glutinosa (Alder)
Creative Commons License
This website is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Licence.

Unless otherwise expressly stated, all original material on the BioImages website by Malcolm Storey is licensed under the above Creative Commons Licence.

Photographs from other photographers are used with permission but not included under the above CC licence.

BioImages - Virtual Field-Guide (UK)