Alnus glutinosa (Linnaeus 1753) Gaertner 1790 (Family Betulaceae)


Tree

Bark

Leaf

Male Flowers

Female Flowers

Fruit

Height: <20 m, Age: <100 yr
Occasionally Arbuscular Mycorrhizal
Monoecious, Flowering March - April (Earliest: 14.2)

Habitat:
Wet Forest
Pollination: Wind
Seed Dispersal: Wind
Mycorrhizae:
Paxillus involutus

Paxillus rubicundulus

Cortinarius violaceus

Lactarius lacunarum

Russula decolorans
Lichens:
Hypogymnia physodes

Parmelia sulcata

Lecanora carpinea

Pertusaria amara
Parasites:
Asteroma alneum

Taphrina tosquinetii

Inonotus radiatus

Fomitopsis pinicola

Synanthedon spheciformis Larva (Wood Borer)

Incurvaria pectinea
(Leaf Miner)

Pachytodes cerambyciformis Larva (Root Borer)

Rhagium bifasciatum Larva
(Wood Borer)

Eriophyes laevis (Leaf Gall)
Herbivores:
Capreolus capreolus

Capua vulgana Larva

Epinotia sordidana

Drepana curvatula

Ochropacha duplaris

Agelastica alni

Byctiscus betulae

Tenthredo ferruginea Larva
Sapivores:
Palomena prasina

Pentatoma rufipes

Aphrophora alni

Psallus ambiguus
Florivores:
Argyresthia goedartella Larva
Granivores:
Carduelis carduelis

Carduelis spinus

Several Miridae

Ecological Flora of the British Isles
Skye Flora: Alder


Pictures © 2003, 2004, 2005, 2006 J.K. Lindsey

Caution

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