The following species in the genus Salix are recognised by Plants of the World Online: Extant species

Salix abscondita Salix acmophylla Salix acutifolia – violet willow Salix aegyptiaca Salix aeruginosa Salix alatavica Salix alaxensis – Alaska willow Salix alba – white willow Salix alexii-skvortzovii Salix alpina – alpine willow Salix amplexicaulis Salix amygdaloides – peachleaf willow Salix anatolica Salix annulifera Salix anticecrenata Salix apennina Salix apoda Salix appendiculata Salix arbuscula – mountain willow Salix arbusculoides – littletree willow Salix arbutifolia Salix arctica – Arctic willow Salix arctophila Salix argyracea Salix argyrocarpa Salix arizonica Salix armeno-rossica Salix arrigonii Salix athabascensis Salix atopantha Salix atrocinerea – grey willow Salix aurita – eared willow Salix austrotibetica Salix babylonica – Babylon willow, Peking willow Salix baileyi Salix balansae Salix balfouriana Salix ballii Salix bangongensis Salix barclayi – Barclay's willow Salix barrattiana – Barratt's willow Salix bebbiana – beaked willow Salix berberifolia Salix bhutanensis Salix bicolor Salix bikouensis Salix blakii Salix blinii Salix bonplandiana – Bonpland willow, ahuejote Salix boothii – Booth's willow Salix borealis Salix boseensis Salix brachycarpa – barren-ground willow Salix brachypoda Salix breviserrata Salix breweri – Brewer's willow Salix brutia Salix cacuminis Salix caesia Salix calcicola – limestone willow Salix calyculata Salix cana Salix candida – sage willow Salix caprea – goat willow Salix capusii Salix cardiophylla Salix carmanica Salix caroliniana – coastal plain willow Salix cascadensis Salix caspica Salix cathayana Salix caucasica Salix cavaleriei Salix chaenomeloides Salix chamissonis Salix characta Salix chevalieri Salix cheilophila Salix chienii Salix chikungensis Salix chilensis Salix chlorolepis Salix cinerea – grey sallow Salix clathrata Salix coggygria Salix columbiana – Columbia River willow Salix coluteoides Salix commutata – undergreen willow Salix contortiapiculata Salix cordata – heartleaf, sand dune willow Salix crataegifolia Salix cupularis Salix daguanensis Salix daliensis Salix daltoniana Salix dalungensis Salix daphnoides Salix delavayana Salix delnortensis – del Norte willow Salix denticulata Salix dibapha Salix discolor – American willow, pussy willow Salix disperma Salix dissa Salix divergentistyla Salix divaricata Salix doii Salix dolichostachya Salix donggouxianica Salix driophila Salix drummondiana – Drummond's willow Salix dshugdshurica Salix eastwoodiae – Eastwood's willow Salix eleagnos Salix eriocephala – heartleaf willow Salix erioclada Salix eriostachya Salix ernestii Salix erythrocarpa Salix euxina Salix excelsa Salix exigua – sandbar willow Salix famelica Salix fargesii Salix farriae Salix fedtschenkoi Salix flabellaris Salix floccosa Salix floridana Salix foetida Salix fruticulosa Salix fulvopubescens Salix fuscescens – Alaska bog willow Salix futura Salix geyeriana Salix gilgiana Salix glabra Salix glauca – northern willow Salix glaucosericea Flod. Salix gmelinii Salix gonggashanica Salix gooddingii – Goodding willow Salix gracilior Salix gracilistyla Salix guinieri Salix gussonei Salix hartwegii Salix hastata Salix hegetschweileri Salix helvetica – Swiss willow Salix herbacea – dwarf willow Salix hookeriana – Hooker's willow Salix hukaoana Salix humboldtiana – Chile willow Salix humilis – upland willow Salix iliensis Salix interior Salix ionica Salix irrorata Salix jaliscana Salix japonica Salix jejuna – barrens willow Salix jenisseensis Salix jepsonii – Jepson's willow Salix juparica Salix jurtzevii Salix kalarica Salix kangensis Salix karelinii Salix khokhriakovii Salix kirilowiana Salix kitaibeliana Salix kochiana Salix koeieana Salix koriyanagi Salix krylovii Salix kusanoi Salix kuznetzowii Salix laevigata – red willow Salix laggeri Salix lanata – woolly willow Salix lapponum – downy willow Salix lasiandra Salix lasiolepis – arroyo willow Salix ledebouriana Salix ledermannii Salix lemmonii – Lemmon's willow Salix ligulifolia – strapleaf willow Salix lindleyana Salix longiflora Salix longistamina Salix lucida – shining willow Salix luctuosa Salix ludlowiana Salix lutea – yellow willow Salix maccalliana Salix magnifica Salix martiana Salix melanopsis – dusky willow Salix mesnyi Salix mexicana Salix michelsonii Salix microphylla Salix microstachya Salix mielichhoferi Salix miyabeana Salix monochroma Salix monticola Salix moupinensis Salix mucronata Salix muliensis Salix myricoides Salix myrsinifolia – dark-leaved willow Salix myrsinites – whortle-leaved willow Salix myrtillacea Salix myrtillifolia Salix myrtilloides – swamp willow Salix nakamurana Salix nasarovii Salix niedzwieckii Salix nigra – black willow Salix niphoclada Salix nipponica Salix nivalis Salix nummularia Salix nuristanica Salix obscura Salix olgae Salix opsimantha Salix oreinoma Salix oreophila Salix orestera – Sierra willow Salix oritrepha Salix oropotamica Salix ovalifolia Salix pantosericea Salix paradoxa Salix paraflabellaris Salix paraplesia Salix pedicellaris – bog willow Salix pedicellata Salix pellita Salix pentandra – bay willow Salix pentandrifolia Salix petiolaris – slender willow Salix petrophila Salix phlebophylla Salix phylicifolia – tea-leaved willow Salix pierotii Salix planifolia – planeleaf willow Salix plocotricha Salix polaris – polar willow Salix prolixa – MacKenzie's willow Salix pseudocalyculata Salix pseudodepressa Salix pseudomedemii Salix pseudomonticola Salix pseudomyrsinites Salix pseudopentandra Salix pseudospissa Salix pseudowallichiana Salix psilostigma Salix pulchra Salix purpurea – purple willow Salix pycnostachya Salix pyrenaica Salix pyrifolia – balsam willow Salix pyrolifolia Salix qinghaiensis Salix radinostachya Salix raupii Salix rectijulis Salix recurvigemmata Salix rehderiana Salix reinii Salix repens – creeping willow Salix reptans Salix reticulata – net-leaved willow Salix retusa Salix rhamnifolia Salix rhododendroides Salix richardsonii – possible synonym of Salix lanata Salix riskindii Salix rockii Salix rorida Salix rosmarinifolia – rosemary-leaved willow Salix rotundifolia Salix rupifraga Salix sajanensis Salix salviifolia Salix salwinensis Salix saposhnikovii Salix saxatilis Salix schwerinii Salix sclerophylla Salix scouleriana – Scouler's willow Salix sericea – silky willow Salix sericocarpa Salix serissima – autumn willow Salix serpillifolia Salix sessilifolia Salix setchelliana Salix shiraii Salix sieboldiana Salix sikkimensis Salix silesiaca Salix silicicola Salix sitchensis – Sitka willow Salix songarica Salix spathulifolia Salix sphaeronymphe Salix sphenophylla Salix staintoniana Salix starkeana Salix stolonifera Salix stomatophora Salix subopposita Salix suchowensis Salix sumiyosensis Salix taiwanalpina Salix taraikensis Salix tarraconensis Salix taxifolia – yewleaf willow Salix tengchongensis Salix tenuijulis Salix tetrasperma Salix thomsoniana Salix thorelii Salix thurberi Salix tianschanica Salix tibetica Salix tonkinensis Salix tracyi Salix triandra – almond willow Salix triandroides Salix tschujensis Salix tschuktschorum Salix turanica Salix turczaninowii Salix turnorii Salix tweedyi Salix tyrrellii Salix tyrrhenica Salix udensis Salix uralicola Salix uva-ursi – bearberry willow Salix variegata Salix vestita – silky willow Salix viminalis – common osier Salix vinogradovii Salix vulpina Salix waldsteiniana Salix wilhelmsiana Salix wolfii Salix wuxuhaiensis Salix xanthicola Salix zangica

Hybrid species

Salix × aberrans Salix × algista Salix × altobracensis Salix × ambigua Salix × amoena Salix × ampherista Salix × angusensis Salix × arakiana Salix × argusii Salix × aschersoniana Salix × austriaca Salix × balfourii Salix × beckiana Salix × boettcheri Salix × boulayi Salix × brachypurpurea Salix × buseri Salix × calliantha Salix × canescens Salix × capreola Salix × cernua Salix × charrieri Salix × coerulescens Salix × confinis Salix × conifera Salix × cottetii Salix × cremnophila Salix × devestita Salix × dichroa Salix × digenea Salix × doniana Salix × dutillyi Salix × ehrhartiana Salix × erdingeri Salix × eriocataphylla Salix × eriocataphylloides Salix × erythroclados Salix × euerata Salix × euryadenia Salix × finnmarchica Salix × flueggeana Salix × forbesiana Salix × forbyana Salix × fragilis Salix × friesiana Salix × fruticosa Salix × gaspensis Salix × gillotii Salix × glatfelterii Salix × grahamii Salix × grayi Salix × hapala Salix × hatusimae Salix × hayatana Salix × hebecarpa Salix × hermaphroditica Salix × hiraoana Salix × hirsutophylla Salix × hirtii Salix × hisauchiana Salix × hostii Salix × hudsonensis Salix × ikenoana Salix × intermedia Salix × inticensis Salix × iwahisana Salix × jamesensis Salix × japopina Salix × jesupii Salix × kamikotica Salix × kawamurana Salix × koidzumii Salix × koiei Salix × krausei Salix × kudoi Salix × lambertiana Salix × latifolia Salix × laurentiana Salix × laurina Salix × leiophylla Salix × leucopithecia Salix × lintonii Salix × litigiosa Salix × lochsiensis Salix × ludibunda Salix × ludificans Salix × lyonensis Salix × margaretae Salix × margarita Salix × mariana Salix × maritima Salix × matsumurae Salix × meikleana Salix × meyeriana Salix × microstemon Salix × mollissima Salix × montana Salix × multinervis Salix × myrtoides Salix × nasuensis Salix × neuburgensis Salix × notha Salix × obtusifolia Salix × oleifolia Salix × onychiophylla Salix × peasei Salix × pedionoma Salix × pedunculata Salix × peloritana Salix × pendulina Salix × permixta Salix × perthensis Salix × phaeophylla Salix × pithoensis Salix × pseudodoniana Salix × pseudoglauca Salix × pseudopaludicola Salix × punctata Salix × quercifolia Salix × reichardtii Salix × retusoides Salix × rubella Salix × rubra Salix × rubriformis Salix × rugulosa Salix × sadleri Salix × saxetana Salix × schaburovii Salix × schatilowii Salix × schatzii Salix × schneideri Salix × scholzii Salix × schumanniana Salix × secerneta Salix × semimyrtilloides Salix × seminigricans Salix × semireticulata Salix × semiviminalis Salix × sendaica Salix × sepulcralis group – hybrid willows Salix × sepulcralis 'Chrysocoma' – golden weeping willow Salix × seringeana Salix × sesquitertia Salix × sibyllina Salix × sigemitui Salix × simulatrix Salix × sirakawensis Salix × sobrina Salix × speciosa Salix × straehleri Salix × strepida Salix × subglabra Salix × subsericea Salix × sugayana Salix × tambaensis Salix × taoensis Salix × taylorii Salix × teplouchovii Salix × tetrapla Salix × thaymasta Salix × tomentella Salix × turfosa Salix × turumatii Salix × viciosorum Salix × waghornei Salix × wiegandii Salix × wimmeri Salix × woloszczakii Salix × wrightii Salix × wyomingensis

Fossil species In addition to the living species and hybrids, a number of fossil species have been ascribed to Salix:

†Salix abbreviata †Salix acutissima †Salix akitaensis †Salix alaskana †Salix albiformis †Salix amygdalifolia †Salix andromedae †Salix angusta †Salix angustifolia †Salix angustissima †Salix apollinis †Salix aquensis †Salix aquitanica †Salix arcinervea †Salix arcuata †Salix arguta †Salix arnaudii †Salix assimilis †Salix attenuata †Salix axonensis †Salix baikovskajae †Salix bebbianiformis †Salix bienensis †Salix bilinica †Salix boisiensis †Salix brevipes †Salix bruckmannii †Salix bryanii †Salix californica †Salix cappsensis †Salix capreiformis †Salix castaneifolia †Salix chuitensis †Salix cinereiformis †Salix coalingensis †Salix cockerellii †Salix coloradica