Salix euxina x alba = S. x fragilis L.
(hybrid crack-willow)

Taxonomic hierarchy:

Species hybrid	Salix euxina x alba = S. x fragilis (hybrid crack-willow)
Genus	Salix (willows)
Family	SALICACEAE (poplars and willows)
Order	MALPIGHIALES (poplars, willows, St John’s worts, spurges and violets)
Subclass	EU-DICOTS (dicotyledonous flowering plants)
Class	MAGNOLIOPSIDA (flowering plants)
Phylum	TRACHEOPHYTA (vascular plants)
Kingdom	PLANTAE (plants)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Salix euxina x alba = S. x fragilis is also a member of:
Broadleaved shrubs - broadleaved shrubs (via Salix)
Trees with bark of middle pH - neutral-barked species, mesic-barked species (via Salix)
Trees - broadleaved and coniferous trees (via Trees with bark of middle pH)
Broadleaved trees and shrubs - broadleaved trees and shrubs (via Broadleaved shrubs)
Trees and shrubs - trees and shrubs, including conifers (via Broadleaved shrubs)
Trees, shrubs, woody and climbing plants - trees, shrubs, subshrubs and climbers, including conifers (via Broadleaved shrubs)
Xylophytes - broadleaved trees, shrubs and woody climbers (via Broadleaved trees and shrubs)
Broadleaved trees - broadleaved, frondose or deciduous trees (via Salicaceae)
Ectomycorrhizal broadleaved trees and shrubs - ectomycorrhizal or ectotrophic mycorrhizal broadleaved trees and shrubs (via Salicaceae)
Ectomycorrhizal trees and shrubs - ectomycorrhizal or ectotrophic mycorrhizal trees and shrubs (via Ectomycorrhizal broadleaved trees and shrubs)

Records of Salix euxina x alba = S. x fragilis (hybrid crack-willow) :
1: Salix euxina x alba = S. x fragilis (hybrid crack-willow)
17 Aug 2002	OSGR: SU09	51° 40’ N, 1° 50’ W	Vice County: North Wilts (VC 7)	England


2: Salix euxina x alba = S. x fragilis (hybrid crack-willow)
8 Apr 2002	OSGR: SU09	51° 40’ N, 1° 50’ W	Vice County: North Wilts (VC 7)	England
Old female pollard with catkins

3: Salix euxina x alba = S. x fragilis (hybrid crack-willow)
8 Apr 2002	OSGR: SU09	51° 40’ N, 1° 50’ W	Vice County: North Wilts (VC 7)	England
Male tree with catkins

Salix euxina x alba = S. x fragilis (hybrid crack-willow) may be included in identification literature listed under the following higher taxa:

Salix
(willows)

SALICACEAE
(poplars and willows)

MAGNOLIOPSIDA
(flowering plants)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Trees
(broadleaved and coniferous trees)

Trees and shrubs
(trees and shrubs, including conifers)

Trees, shrubs, woody and climbing plants
(trees, shrubs, subshrubs and climbers, including conifers)

Xylophytes
(broadleaved trees, shrubs and woody climbers)

Broadleaved trees
(broadleaved, frondose or deciduous trees)

NBN (data.nbn.org.uk) has a distribution map for Salix euxina x alba = S. x fragilis (hybrid crack-willow)

BioInfo (www.bioinfo.org.uk) has 71 host/parasite/foodplant and/or other relationships for Salix euxina x alba = S. x fragilis (hybrid crack-willow)

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Taxonomic hierarchy:

Salix euxina x alba = S. x fragilis is also a member of:

BioImages - Virtual Field-Guide (UK)