Tree

Bark	Leaves
Male Flowers	Female Flower Fruit

Height: <6 m
Ectomycorrhizal, Occasionally Arbuscular Mycorrhizal
Lacks Persistent Seed Bank
Dioecious, Flowering March - April (Earliest: 19.3)

Protective Chemicals
Phenolics	Salicylic Acid, Tannins

Biotopes:	Wet Meadows	Wet Forest	Hedge Rows
Flower Visitors:	Many Apidae	Dolerus nitens	Vespula vulgaris	Formica polyctena
	Aglais io	Polygonia c-album	Callophrys rubi	Celastrina argiolus
	Adela cuprella	Several Anthomyiidae	Several Empididae	Several Muscidae
	Many Syrphidae	Bibio ferruginatus	Bibio marci	Scathophaga furcata
	Scathophaga stercoraria	Eurychaeta palpalis	Sepsis violacea	Metopia argyrocephala
	Epuraea unicolor
Seed Dispersal:	Wind
Mycorrhizae:	Several Russulaceae	Several Cortinariaceae	Several Entolomataceae	Many Hymenogastraceae
	Many Inocybaceae
Parasites:	Rhytisma salicinum	Capnodium citri	Drepanopeziza triandrae	Erysiphe adunca
	Melampsora epitea	Several Coleophoridae	Stigmella salicis	Phyllonorycter salicicolella
	Gypsonoma dealbana	Synanthedon formicaeformis Larva (Wood Borer)	Several Tenthredinidae	Several Cecidomyiidae
	Aulagromyza tridentata	Several Curculionidae	Trachys minutus
Possible Parasites:	Apiognomonia errabunda	Several Polyporaceae	Phellinus igniarius	Bjerkandera fumosa
	Inonotus hispidus	Caloptilia stigmatella Larva	Lyonetia clerkella	Deporaus betulae
Herbivores:	Several Nymphalidae Larvae	Several Erebidae	Many Geometridae	Many Noctuidae
	Several Notodontidae	Several Tortricidae	Agonopterix conterminella Larva	Agonopterix ocellana Larva
	Saturnia pavonia	Laothoe populi Larva	Lasiocampa quercus	Gelechia sororculella Larva
	Several Tenthredinidae	Arge ustulata Larva	Many Chrysomelidae	Several Curculionidae
	Temnocerus tomentosus
Possible Herbivores:	Several Erebidae	Several Geometridae	Several Noctuidae Larvae	Several Notodontidae Larvae
	Many Tortricidae	Diurnea fagella	Endotricha flammealis Larva	Many Tenthredinidae
	Trichiosoma tibiale	Several Chrysomelidae	Many Curculionidae	Melolontha melolontha
	Phyllopertha horticola
Sapivores:	Several Aphididae	Several Cicadellidae	Several Miridae	Bactericera curvatinervis
	Bactericera striola	Aphrophora pectoralis	Centrotus cornutus
Possible Sapivores:	Several Cicadellidae	Several Miridae	Several Pentatomidae	Elasmostethus interstinctus
	Acanthosoma haemorrhoidale	Cixius distinguendus
Xylophages:	Agrilus viridis Larva (Wood Borer)
Possible Xylophages:	Scolytus intricatus	Paranthrene tabaniformis Larva
Florivores:	Xanthia icteritia Larva	Xanthia togata Larva	Eupithecia tenuiata Larva	Gelechia muscosella Larva
Possible Florivores:	Eana incanana	Gypsonoma dealbana Larva	Egle ciliata Larva	Neolygus contaminatus
Granivores:	Miris striatus	Orthotylus marginalis
Possible Granivores:	Closterotomus fulvomaculatus	Neolygus viridis	Acanthosoma haemorrhoidale
Bark Inhabitants:	Hypnum cupressiforme	Orthotrichum lyellii
Wood Decomposers:	Several Strophariaceae	Pleurotus ostreatus	Pleurotus pulmonarius	Flammulina velutipes
	Coprinopsis romagnesiana	Stereum subtomentosum	Scytinostroma portentosum	Several Hymenochaetaceae
	Exidia recisa	Odonticium septocystidia	Several Polyporaceae	Bjerkandera fumosa
	Junghuhnia nitida	Trypophloeus asperatus	Ampedus pomonae Larva	Schizotus pectinicornis Larva
	Dasiops perpropinquus Larva	Angiosperm Generalists
Leaf Decomposers:	Asteroma salicis	Polyscytalum fecundissimum	Adela cuprella Larva	Angiosperm Generalists

Ecological Flora of the British Isles
Skye Flora: Grey Willow

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

Caution

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