A Close-up View of the Pussy Willow - Photographic study by Brian Johnston of Salix caprea, with many fine images both macroscopic and microscopic. - http://www.microscopy-uk.org.uk/mag/artsep07/bj-willow.html
Salix purpurea - Two photographs of the Purple Willow and some identifying features. - http://www.plant-identification.co.uk/skye/salicaceae/salix-purpurea.htm
Salix viminalis - Photographs of the Osier with some identifying features. - http://www.plant-identification.co.uk/skye/salicaceae/salix-viminalis.htm
Salix repens - Identification features of the Creeping Willow and several photographs. - http://www.plant-identification.co.uk/skye/salicaceae/salix-repens.htm
Salix caprea - Identification features of Goat Willow and several photographs. - http://www.plant-identification.co.uk/skye/salicaceae/salix-caprea.htm
Salix aurita - Several photographs of the Eared Willow with some identifying features. - http://www.plant-identification.co.uk/skye/salicaceae/salix-aurita.htm
Salix cinerea - Several photographs of the Grey Willow, also known as Grey Sallow, with some identifying features. - http://www.plant-identification.co.uk/skye/salicaceae/salix-atrocinerea.htm
Salix myrsinites - Several photographs of the Whortle-leaved Willow growing on Skye, with some identifying features. - http://www.plant-identification.co.uk/skye/salicaceae/salix-myrsinites.htm
Dwarf Willow: Salix herbacea - Several photographs of this creeping shrub with some identifying features. - http://www.plant-identification.co.uk/skye/salicaceae/salix-herbacea.htm
Salix alba - Several photographs of the White Willow with some identifying features. - http://www.plant-identification.co.uk/skye/salicaceae/salix-alba.htm
Salix pentandra - Photograph of a shoot of the Bay Willow with some features for identifying the tree. - http://www.plant-identification.co.uk/skye/salicaceae/salix-pentandra.htm
Interactive Identification of New World Salix - Includes full text of "A Guide to the identification of willows in Alaska, the Yukon Territory and adjacent regions" by George W. Argus. - http://aknhp.uaa.alaska.edu/willow/pdfs/GuideSalixAK-YT11May05.pdf
Willows of Interior Alaska - A guide to the 29 species to be found in this region, with descriptions and photographs. - http://alaska.fws.gov/nwr/yukonflats/pdf/WillowsFinal.pdf
Salix geyeriana - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/shrub/salgey/
Salix arbusculoides - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/shrub/salarb/
Salix alaxensis - Alaska or "feltleaf" willow. Topics include distribution and occurrence; botanical and ecological characteristics; value and use; and fire ecology. - http://www.fs.fed.us/database/feis/plants/shrub/salala/
Salix nigra - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/salnig/
Salix lasiandra - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/sallas/
Salix scouleriana - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/salsco/
Salix gooddingii - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/salgoo/
Salix glauca - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/salgla/
Salix exigua - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/salexi/
Salix bebbiana - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/salbeb/
Salix amygdaloides - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/salamy/
Salix lutea - Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. - http://www.fs.fed.us/database/feis/plants/tree/sallut/
Salix Arboretum - Information about and images of willows in a collection of about 200 different sorts of Salix. - http://hjem.get2net.dk/finnch