All Species in Dioscorea
- Air Yam (Dioscorea bulbifera)
- Bitter Yam (Dioscorea dumetorum)
- Bulbous Yam (Dioscorea pilosiuscula)
- Bush Yam (Dioscorea praehensilis)
- Chinese Yam (Dioscorea oppositifolia)
- Dioscorea abysmophila (Dioscorea abysmophila)
- Dioscorea abyssinica (Dioscorea abyssinica)
- Dioscorea acanthogene (Dioscorea acanthogene)
- Dioscorea acerifolia (Dioscorea acerifolia)
- Dioscorea acuminata (Dioscorea acuminata)
- Dioscorea adenantha (Dioscorea adenantha)
- Dioscorea aesculifolia (Dioscorea aesculifolia)
- Dioscorea aguilarii (Dioscorea aguilarii)
- Dioscorea alainii (Dioscorea alainii)
- Dioscorea alatipes (Dioscorea alatipes)
- Dioscorea althaeoides (Dioscorea althaeoides)
- Dioscorea amaranthoides (Dioscorea amaranthoides)
- Dioscorea amazonum (Dioscorea amazonum)
- Dioscorea amazonum var. amazonum (Dioscorea amazonum var. amazonum)
- Dioscorea amazonum var. klugii (Dioscorea amazonum var. klugii)
- Dioscorea amoena (Dioscorea amoena)
- Dioscorea analalavensis (Dioscorea analalavensis)
- Dioscorea ancachsensis (Dioscorea ancachsensis)
- Dioscorea andina (Dioscorea andina)
- Dioscorea andromedusae (Dioscorea andromedusae)
- Dioscorea anomala (Dioscorea anomala)
- Dioscorea antaly (Dioscorea antaly)
- Dioscorea antucoana (Dioscorea antucoana)
- Dioscorea arachidna (Dioscorea arachidna)
- Dioscorea araucana (Dioscorea araucana)
- Dioscorea arcuatinervis (Dioscorea arcuatinervis)
- Dioscorea argyrogyna (Dioscorea argyrogyna)
- Dioscorea arifolia (Dioscorea arifolia)
- Dioscorea aristolochiifolia (Dioscorea aristolochiifolia)
- Dioscorea asclepiadea (Dioscorea asclepiadea)
- Dioscorea aspera (Dioscorea aspera)
- Dioscorea aspersa (Dioscorea aspersa)
- Dioscorea asperula (Dioscorea asperula)
- Dioscorea asteriscus (Dioscorea asteriscus)
- Dioscorea atrescens (Dioscorea atrescens)
- Dioscorea auriculata (Dioscorea auriculata)
- Dioscorea ayardei (Dioscorea ayardei)
- Dioscorea bahiensis (Dioscorea bahiensis)
- Dioscorea bako (Dioscorea bako)
- Dioscorea balcanica (Dioscorea balcanica)
- Dioscorea bancana (Dioscorea bancana)
- Dioscorea banzhuana (Dioscorea banzhuana)
- Dioscorea baracoensis (Dioscorea baracoensis)
- Dioscorea bartlettii (Dioscorea bartlettii)
- Dioscorea basiclavicaulis (Dioscorea basiclavicaulis)
- Dioscorea baya (Dioscorea baya)
- Dioscorea beecheyi (Dioscorea beecheyi)
- Dioscorea belophylla (Dioscorea belophylla)
- Dioscorea bemandry (Dioscorea bemandry)
- Dioscorea bemarivensis (Dioscorea bemarivensis)
- Dioscorea benthamii (Dioscorea benthamii)
- Dioscorea berenicea (Dioscorea berenicea)
- Dioscorea bermejensis (Dioscorea bermejensis)
- Dioscorea bernoulliana (Dioscorea bernoulliana)
- Dioscorea besseriana (Dioscorea besseriana)
- Dioscorea beyrichii (Dioscorea beyrichii)
- Dioscorea bicolor (Dioscorea bicolor)
- Dioscorea biformifolia (Dioscorea biformifolia)
- Dioscorea biloba (Dioscorea biloba)
- Dioscorea biloba subsp. biloba (Dioscorea biloba subsp. biloba)
- Dioscorea biloba subsp. coquimbana (Dioscorea biloba subsp. coquimbana)
- Dioscorea biplicata (Dioscorea biplicata)
- Dioscorea birmanica (Dioscorea birmanica)
- Dioscorea birschelii (Dioscorea birschelii)
- Dioscorea blumei (Dioscorea blumei)
- Dioscorea bolivarensis (Dioscorea bolivarensis)
- Dioscorea bonii (Dioscorea bonii)
- Dioscorea bosseri (Dioscorea bosseri)
- Dioscorea brachybotrya (Dioscorea brachybotrya)
- Dioscorea brachystachya (Dioscorea brachystachya)
- Dioscorea bradei (Dioscorea bradei)
- Dioscorea brandisii (Dioscorea brandisii)
- Dioscorea brevipetiolata (Dioscorea brevipetiolata)
- Dioscorea bridgesii (Dioscorea bridgesii)
- Dioscorea brownii (Dioscorea brownii)
- Dioscorea bryoniifolia (Dioscorea bryoniifolia)
- Dioscorea buchananii (Dioscorea buchananii)
- Dioscorea buchananii subsp. buchananii (Dioscorea buchananii subsp. buchananii)
- Dioscorea buchananii subsp. undatiloba (Dioscorea buchananii subsp. undatiloba)
- Dioscorea buckleyana (Dioscorea buckleyana)
- Dioscorea bulbotricha (Dioscorea bulbotricha)
- Dioscorea burchellii (Dioscorea burchellii)
- Dioscorea burkilliana (Dioscorea burkilliana)
- Dioscorea cachipuertensis (Dioscorea cachipuertensis)
- Dioscorea calcicola (Dioscorea calcicola)
- Dioscorea caldasensis (Dioscorea caldasensis)
- Dioscorea calderillensis (Dioscorea calderillensis)
- Dioscorea callacatensis (Dioscorea callacatensis)
- Dioscorea cambodiana (Dioscorea cambodiana)
- Dioscorea campanulata (Dioscorea campanulata)
- Dioscorea campestris (Dioscorea campestris)
- Dioscorea campos-portoi (Dioscorea campos-portoi)
- Dioscorea carionis (Dioscorea carionis)
- Dioscorea carpomaculata (Dioscorea carpomaculata)
- Dioscorea carpomaculata var. carpomaculata (Dioscorea carpomaculata var. carpomaculata)
- Dioscorea carpomaculata var. cinerea (Dioscorea carpomaculata var. cinerea)
- Dioscorea castilloniana (Dioscorea castilloniana)
- Dioscorea catharinensis (Dioscorea catharinensis)
- Dioscorea caucasica (Dioscorea caucasica)
- Dioscorea caucensis (Dioscorea caucensis)
- Dioscorea cephalocarpa (Dioscorea cephalocarpa)
- Dioscorea ceratandra (Dioscorea ceratandra)
- Dioscorea chagllaensis (Dioscorea chagllaensis)
- Dioscorea chancayensis (Dioscorea chancayensis)
- Dioscorea chaponensis (Dioscorea chaponensis)
- Dioscorea chaponensis var. chaponensis (Dioscorea chaponensis var. chaponensis)
- Dioscorea chaponensis var. chazutensis (Dioscorea chaponensis var. chazutensis)
- Dioscorea chiapasensis (Dioscorea chiapasensis)
- Dioscorea chimborazensis (Dioscorea chimborazensis)
- Dioscorea chingii (Dioscorea chingii)
- Dioscorea chondrocarpa (Dioscorea chondrocarpa)
- Dioscorea choriandra (Dioscorea choriandra)
- Dioscorea chouardii (Dioscorea chouardii)
- Dioscorea chusqueifolia (Dioscorea chusqueifolia)
- Dioscorea cienegensis (Dioscorea cienegensis)
- Dioscorea cinnamomifolia (Dioscorea cinnamomifolia)
- Dioscorea cirrhosa (Dioscorea cirrhosa)
- Dioscorea cissophylla (Dioscorea cissophylla)
- Dioscorea claussenii (Dioscorea claussenii)
- Dioscorea claytonii (Dioscorea claytonii)
- Dioscorea cochleariapiculata (Dioscorea cochleariapiculata)
- Dioscorea collettii (Dioscorea collettii)
- Dioscorea collettii var. collettii (Dioscorea collettii var. collettii)
- Dioscorea collettii var. hypoglauca (Dioscorea collettii var. hypoglauca)
- Dioscorea collettii var. izuensis (Dioscorea collettii var. izuensis)
- Dioscorea communis (Dioscorea communis)
- Dioscorea commutata (Dioscorea commutata)
- Dioscorea comorensis (Dioscorea comorensis)
- Dioscorea compacta (Dioscorea compacta)
- Dioscorea contracta (Dioscorea contracta)
- Dioscorea convolvulacea subsp. convolvulacea (Dioscorea convolvulacea subsp. convolvulacea)
- Dioscorea convolvulacea subsp. grandifolia (Dioscorea convolvulacea subsp. grandifolia)
- Dioscorea conzattii (Dioscorea conzattii)
- Dioscorea cordata var. cordata (Dioscorea cordata var. cordata)
- Dioscorea cordata var. cymulifera (Dioscorea cordata var. cymulifera)
- Dioscorea cordifolia (Dioscorea cordifolia)
- Dioscorea coreana (Dioscorea coreana)
- Dioscorea coriacea (Dioscorea coriacea)
- Dioscorea coronata (Dioscorea coronata)
- Dioscorea cotinifolia (Dioscorea cotinifolia)
- Dioscorea craibiana (Dioscorea craibiana)
- Dioscorea crateriflora (Dioscorea crateriflora)
- Dioscorea cretica (Dioscorea cretica)
- Dioscorea crotalariifolia (Dioscorea crotalariifolia)
- Dioscorea cruzensis (Dioscorea cruzensis)
- Dioscorea cubensis (Dioscorea cubensis)
- Dioscorea cumingii (Dioscorea cumingii)
- Dioscorea curitybensis (Dioscorea curitybensis)
- Dioscorea cuspidata (Dioscorea cuspidata)
- Dioscorea cuyabensis (Dioscorea cuyabensis)
- Dioscorea cyanisticta (Dioscorea cyanisticta)
- Dioscorea cymosula (Dioscorea cymosula)
- Dioscorea cyphocarpa (Dioscorea cyphocarpa)
- Dioscorea daunea (Dioscorea daunea)
- Dioscorea davidsei (Dioscorea davidsei)
- Dioscorea debilis (Dioscorea debilis)
- Dioscorea decaryana (Dioscorea decaryana)
- Dioscorea decipiens (Dioscorea decipiens)
- Dioscorea decorticans (Dioscorea decorticans)
- Dioscorea deflexa (Dioscorea deflexa)
- Dioscorea delavayi (Dioscorea delavayi)
- Dioscorea delicata (Dioscorea delicata)
- Dioscorea deltoidea (Dioscorea deltoidea)
- Dioscorea demourae (Dioscorea demourae)
- Dioscorea dendrotricha (Dioscorea dendrotricha)
- Dioscorea densiflora (Dioscorea densiflora)
- Dioscorea depauperata (Dioscorea depauperata)
- Dioscorea diamantinensis (Dioscorea diamantinensis)
- Dioscorea dicranandra (Dioscorea dicranandra)
- Dioscorea dielsii (Dioscorea dielsii)
- Dioscorea dissimulans (Dioscorea dissimulans)
- Dioscorea divaricata (Dioscorea divaricata)
- Dioscorea diversifolia (Dioscorea diversifolia)
- Dioscorea dodecaneura (Dioscorea dodecaneura)
- Dioscorea dregeana (Dioscorea dregeana)
- Dioscorea dugesii (Dioscorea dugesii)
- Dioscorea dumetosa (Dioscorea dumetosa)
- Dioscorea edulis (Dioscorea edulis)
- Dioscorea elegans (Dioscorea elegans)
- Dioscorea entomophila (Dioscorea entomophila)
- Dioscorea epistephioides (Dioscorea epistephioides)
- Dioscorea escuintlensis (Dioscorea escuintlensis)
- Dioscorea esquirolii (Dioscorea esquirolii)
- Dioscorea exalata (Dioscorea exalata)
- Dioscorea fandra (Dioscorea fandra)
- Dioscorea fasciculocongesta (Dioscorea fasciculocongesta)
- Dioscorea fastigiata (Dioscorea fastigiata)
- Dioscorea fendleri (Dioscorea fendleri)
- Dioscorea ferreyrae (Dioscorea ferreyrae)
- Dioscorea filiformis (Dioscorea filiformis)
- Dioscorea flabellispina (Dioscorea flabellispina)
- Dioscorea flaccida (Dioscorea flaccida)
- Dioscorea fodinarum (Dioscorea fodinarum)
- Dioscorea fordii (Dioscorea fordii)
- Dioscorea formosana (Dioscorea formosana)
- Dioscorea fractiflexa (Dioscorea fractiflexa)
- Dioscorea fuliginosa (Dioscorea fuliginosa)
- Dioscorea furcata (Dioscorea furcata)
- Dioscorea futschauensis (Dioscorea futschauensis)
- Dioscorea galeottiana (Dioscorea galeottiana)
- Dioscorea galiiflora (Dioscorea galiiflora)
- Dioscorea gallegosii (Dioscorea gallegosii)
- Dioscorea garrettii (Dioscorea garrettii)
- Dioscorea gaumeri (Dioscorea gaumeri)
- Dioscorea gentryi (Dioscorea gentryi)
- Dioscorea gillettii (Dioscorea gillettii)
- Dioscorea glabra (Dioscorea glabra)
- Dioscorea glandulosa (Dioscorea glandulosa)
- Dioscorea glandulosa var. calcensis (Dioscorea glandulosa var. calcensis)
- Dioscorea glandulosa var. glandulosa (Dioscorea glandulosa var. glandulosa)
- Dioscorea glauca (Dioscorea glauca)
- Dioscorea glomerulata (Dioscorea glomerulata)
- Dioscorea gomez-pompae (Dioscorea gomez-pompae)
- Dioscorea gracilicaulis (Dioscorea gracilicaulis)
- Dioscorea gracilipes (Dioscorea gracilipes)
- Dioscorea gracilis (Dioscorea gracilis)
- Dioscorea gracillima (Dioscorea gracillima)
- Dioscorea grandiflora (Dioscorea grandiflora)
- Dioscorea grandis (Dioscorea grandis)
- Dioscorea grata (Dioscorea grata)
- Dioscorea gribinguiensis (Dioscorea gribinguiensis)
- Dioscorea grisebachii (Dioscorea grisebachii)
- Dioscorea guerrerensis (Dioscorea guerrerensis)
- Dioscorea guianensis (Dioscorea guianensis)
- Dioscorea haenkeana (Dioscorea haenkeana)
- Dioscorea haitiensis (Dioscorea haitiensis)
- Dioscorea hamiltonii (Dioscorea hamiltonii)
- Dioscorea hassleriana (Dioscorea hassleriana)
- Dioscorea hastata (Dioscorea hastata)
- Dioscorea hastatissima (Dioscorea hastatissima)
- Dioscorea hastifolia (Dioscorea hastifolia)
- Dioscorea hastiformis (Dioscorea hastiformis)
- Dioscorea haumanii (Dioscorea haumanii)
- Dioscorea havilandii (Dioscorea havilandii)
- Dioscorea hebridensis (Dioscorea hebridensis)
- Dioscorea hemicrypta (Dioscorea hemicrypta)
- Dioscorea hemsleyi (Dioscorea hemsleyi)
- Dioscorea heptaneura (Dioscorea heptaneura)
- Dioscorea herbert-smithii (Dioscorea herbert-smithii)
- Dioscorea heteropoda (Dioscorea heteropoda)
- Dioscorea hexagona (Dioscorea hexagona)
- Dioscorea hieronymi (Dioscorea hieronymi)
- Dioscorea hintonii (Dioscorea hintonii)
- Dioscorea hirtiflora (Dioscorea hirtiflora)
- Dioscorea hirtiflora subsp. hirtiflora (Dioscorea hirtiflora subsp. hirtiflora)
- Dioscorea hirtiflora subsp. orientalis (Dioscorea hirtiflora subsp. orientalis)
- Dioscorea hirtiflora subsp. pedicellata (Dioscorea hirtiflora subsp. pedicellata)
- Dioscorea holmioidea (Dioscorea holmioidea)
- Dioscorea hombuka (Dioscorea hombuka)
- Dioscorea hondurensis (Dioscorea hondurensis)
- Dioscorea howardiana (Dioscorea howardiana)
- Dioscorea humifusa (Dioscorea humifusa)
- Dioscorea humilis (Dioscorea humilis)
- Dioscorea humilis subsp. humilis (Dioscorea humilis subsp. humilis)
- Dioscorea humilis subsp. polyanthes (Dioscorea humilis subsp. polyanthes)
- Dioscorea hunzikeri (Dioscorea hunzikeri)
- Dioscorea hurteri (Dioscorea hurteri)
- Dioscorea hyalinomarginata (Dioscorea hyalinomarginata)
- Dioscorea igualamontana (Dioscorea igualamontana)
- Dioscorea incayensis (Dioscorea incayensis)
- Dioscorea inopinata (Dioscorea inopinata)
- Dioscorea insignis (Dioscorea insignis)
- Dioscorea intermedia (Dioscorea intermedia)
- Dioscorea introrsa (Dioscorea introrsa)
- Dioscorea ionophylla (Dioscorea ionophylla)
- Dioscorea iquitosensis (Dioscorea iquitosensis)
- Dioscorea irodensis (Dioscorea irodensis)
- Dioscorea irupanensis (Dioscorea irupanensis)
- Dioscorea itapirensis (Dioscorea itapirensis)
- Dioscorea itatiensis (Dioscorea itatiensis)
- Dioscorea jaliscana (Dioscorea jaliscana)
- Dioscorea jamesonii (Dioscorea jamesonii)
- Dioscorea japonica var. japonica (Dioscorea japonica var. japonica)
- Dioscorea japonica var. nagarum (Dioscorea japonica var. nagarum)
- Dioscorea japonica var. oldhamii (Dioscorea japonica var. oldhamii)
- Dioscorea japonica var. pilifera (Dioscorea japonica var. pilifera)
- Dioscorea javariensis (Dioscorea javariensis)
- Dioscorea juxtlahuacensis (Dioscorea juxtlahuacensis)
- Dioscorea kalkapershadii (Dioscorea kalkapershadii)
- Dioscorea kamoonensis (Dioscorea kamoonensis)
- Dioscorea keduensis (Dioscorea keduensis)
- Dioscorea kerrii (Dioscorea kerrii)
- Dioscorea killipii (Dioscorea killipii)
- Dioscorea kimiae (Dioscorea kimiae)
- Dioscorea kingii (Dioscorea kingii)
- Dioscorea kituiensis (Dioscorea kituiensis)
- Dioscorea kjellbergii (Dioscorea kjellbergii)
- Dioscorea knuthiana (Dioscorea knuthiana)
- Dioscorea koepperi (Dioscorea koepperi)
- Dioscorea koyamae (Dioscorea koyamae)
- Dioscorea kratica (Dioscorea kratica)
- Dioscorea kuntzei (Dioscorea kuntzei)
- Dioscorea lacerdaei (Dioscorea lacerdaei)
- Dioscorea laevis (Dioscorea laevis)
- Dioscorea lamprocaula (Dioscorea lamprocaula)
- Dioscorea lanata (Dioscorea lanata)
- Dioscorea latifolia (Dioscorea bulbifera)
- Dioscorea laurifolia (Dioscorea laurifolia)
- Dioscorea lawrancei (Dioscorea lawrancei)
- Dioscorea laxiflora (Dioscorea laxiflora)
- Dioscorea lehmannii (Dioscorea lehmannii)
- Dioscorea lepcharum (Dioscorea lepcharum)
- Dioscorea lepida (Dioscorea lepida)
- Dioscorea leptobotrys (Dioscorea leptobotrys)
- Dioscorea liebmannii (Dioscorea liebmannii)
- Dioscorea lijiangensis (Dioscorea lijiangensis)
- Dioscorea linearicordata (Dioscorea linearicordata)
- Dioscorea lisae (Dioscorea lisae)
- Dioscorea listeri (Dioscorea listeri)
- Dioscorea litoralis (Dioscorea litoralis)
- Dioscorea loefgrenii (Dioscorea loefgrenii)
- Dioscorea loheri (Dioscorea loheri)
- Dioscorea longicuspis (Dioscorea longicuspis)
- Dioscorea longipedicellata (Dioscorea longipedicellata)
- Dioscorea longipes (Dioscorea longipes)
- Dioscorea longirhiza (Dioscorea longirhiza)
- Dioscorea longituba (Dioscorea longituba)
- Dioscorea lundii (Dioscorea lundii)
- Dioscorea luzonensis (Dioscorea luzonensis)
- Dioscorea macbrideana (Dioscorea macbrideana)
- Dioscorea maciba (Dioscorea maciba)
- Dioscorea macrantha (Dioscorea macrantha)
- Dioscorea macrothyrsa (Dioscorea macrothyrsa)
- Dioscorea macvaughii (Dioscorea macvaughii)
- Dioscorea madecassa (Dioscorea madecassa)
- Dioscorea madiunensis (Dioscorea madiunensis)
- Dioscorea magnibracteata (Dioscorea magnibracteata)
- Dioscorea maianthemoides (Dioscorea maianthemoides)
- Dioscorea mamillata (Dioscorea mamillata)
- Dioscorea mangenotiana (Dioscorea mangenotiana)
- Dioscorea mantigueirensis (Dioscorea mantigueirensis)
- Dioscorea margarethia (Dioscorea margarethia)
- Dioscorea marginata (Dioscorea marginata)
- Dioscorea martensis (Dioscorea martensis)
- Dioscorea martiana (Dioscorea martiana)
- Dioscorea martini (Dioscorea martini)
- Dioscorea matagalpensis (Dioscorea matagalpensis)
- Dioscorea matudae (Dioscorea matudae)
- Dioscorea mayottensis (Dioscorea mayottensis)
- Dioscorea medusae (Dioscorea medusae)
- Dioscorea megacarpa (Dioscorea megacarpa)
- Dioscorea megalantha (Dioscorea megalantha)
- Dioscorea megaphylla (Dioscorea megaphylla)
- Dioscorea melanophyma (Dioscorea melanophyma)
- Dioscorea melastomatifolia (Dioscorea melastomatifolia)
- Dioscorea membranacea (Dioscorea membranacea)
- Dioscorea menglaensis (Dioscorea menglaensis)
- Dioscorea meridensis (Dioscorea meridensis)
- Dioscorea merrillii (Dioscorea merrillii)
- Dioscorea mesoamericana (Dioscorea mesoamericana)
- Dioscorea microbotrya (Dioscorea microbotrya)
- Dioscorea microcephala (Dioscorea microcephala)
- Dioscorea microflora (Dioscorea microflora)
- Dioscorea microphylla (Dioscorea microphylla)
- Dioscorea microura (Dioscorea microura)
- Dioscorea mindanaensis (Dioscorea mindanaensis)
- Dioscorea minima (Dioscorea minima)
- Dioscorea minutiflora (Dioscorea minutiflora)
- Dioscorea mitis (Dioscorea mitis)
- Dioscorea mitoensis (Dioscorea mitoensis)
- Dioscorea modesta (Dioscorea modesta)
- Dioscorea mollis (Dioscorea mollis)
- Dioscorea monadelpha (Dioscorea monadelpha)
- Dioscorea morelosana (Dioscorea morelosana)
- Dioscorea moritziana (Dioscorea moritziana)
- Dioscorea mosqueirensis (Dioscorea mosqueirensis)
- Dioscorea moultonii (Dioscorea moultonii)
- Dioscorea moyobambensis (Dioscorea moyobambensis)
- Dioscorea mucronata (Dioscorea mucronata)
- Dioscorea multiflora (Dioscorea multiflora)
- Dioscorea multiloba (Dioscorea multiloba)
- Dioscorea multinervis (Dioscorea multinervis)
- Dioscorea multispicata (Dioscorea multispicata)
- Dioscorea mundii (Dioscorea mundii)
- Dioscorea nako (Dioscorea nako)
- Dioscorea namorokensis (Dioscorea namorokensis)
- Dioscorea nana (Dioscorea nana)
- Dioscorea nanlaensis (Dioscorea nanlaensis)
- Dioscorea natalia (Dioscorea natalia)
- Dioscorea neblinensis (Dioscorea neblinensis)
- Dioscorea nelsonii (Dioscorea nelsonii)
- Dioscorea nematodes (Dioscorea nematodes)
- Dioscorea nervata (Dioscorea nervata)
- Dioscorea nervosa (Dioscorea nervosa)
- Dioscorea nicolasensis (Dioscorea nicolasensis)
- Dioscorea nieuwenhuisii (Dioscorea nieuwenhuisii)
- Dioscorea nipensis (Dioscorea nipensis)
- Dioscorea nipponica (Dioscorea nipponica)
- Dioscorea nipponica subsp. nipponica (Dioscorea nipponica subsp. nipponica)
- Dioscorea nipponica subsp. rosthornii (Dioscorea nipponica subsp. rosthornii)
- Dioscorea nitens (Dioscorea nitens)
- Dioscorea nuda (Dioscorea nuda)
- Dioscorea nutans (Dioscorea nutans)
- Dioscorea oaxacensis (Dioscorea oaxacensis)
- Dioscorea obcuneata (Dioscorea obcuneata)
- Dioscorea oblonga (Dioscorea oblonga)
- Dioscorea oblongifolia (Dioscorea oblongifolia)
- Dioscorea obtusifolia (Dioscorea obtusifolia)
- Dioscorea olfersiana (Dioscorea olfersiana)
- Dioscorea oligophylla (Dioscorea oligophylla)
- Dioscorea omiltemensis (Dioscorea omiltemensis)
- Dioscorea opaca (Dioscorea opaca)
- Dioscorea oppositiflora (Dioscorea oppositiflora)
- Dioscorea orangeana (Dioscorea orangeana)
- Dioscorea orbiculata (Dioscorea orbiculata)
- Dioscorea oreodoxa (Dioscorea oreodoxa)
- Dioscorea organensis (Dioscorea organensis)
- Dioscorea orientalis (Dioscorea orientalis)
- Dioscorea orizabensis (Dioscorea orizabensis)
- Dioscorea orthogoneura (Dioscorea orthogoneura)
- Dioscorea oryzetorum (Dioscorea oryzetorum)
- Dioscorea ovalifolia (Dioscorea ovalifolia)
- Dioscorea ovata (Dioscorea ovata)
- Dioscorea ovinala (Dioscorea ovinala)
- Dioscorea palawana (Dioscorea palawana)
- Dioscorea paleata (Dioscorea paleata)
- Dioscorea pallens (Dioscorea pallens)
- Dioscorea pallidinervia (Dioscorea pallidinervia)
- Dioscorea palmeri (Dioscorea palmeri)
- Dioscorea panamensis (Dioscorea panamensis)
- Dioscorea panthaica (Dioscorea panthaica)
- Dioscorea pantojensis (Dioscorea pantojensis)
- Dioscorea paradoxa (Dioscorea paradoxa)
- Dioscorea pavonii (Dioscorea pavonii)
- Dioscorea pedalis (Dioscorea pedalis)
- Dioscorea pedicellata (Dioscorea pedicellata)
- Dioscorea pencana (Dioscorea pencana)
- Dioscorea pendula (Dioscorea pendula)
- Dioscorea pennellii (Dioscorea pennellii)
- Dioscorea peperoides (Dioscorea peperoides)
- Dioscorea peperoides var. angulata (Dioscorea peperoides var. angulata)
- Dioscorea peperoides var. peperoides (Dioscorea peperoides var. peperoides)
- Dioscorea perdicum (Dioscorea perdicum)
- Dioscorea perenensis (Dioscorea perenensis)
- Dioscorea petelotii (Dioscorea petelotii)
- Dioscorea philippiana (Dioscorea philippiana)
- Dioscorea piauhyensis (Dioscorea piauhyensis)
- Dioscorea pierrei (Dioscorea pierrei)
- Dioscorea pilcomayensis (Dioscorea pilcomayensis)
- Dioscorea pilgeriana (Dioscorea pilgeriana)
- Dioscorea pilifera (Dioscorea pilifera)
- Dioscorea pinedensis (Dioscorea pinedensis)
- Dioscorea piperifolia (Dioscorea piperifolia)
- Dioscorea piscatorum (Dioscorea piscatorum)
- Dioscorea pittieri (Dioscorea pittieri)
- Dioscorea planistipulosa (Dioscorea planistipulosa)
- Dioscorea planistipulosa var. glaziovii (Dioscorea planistipulosa var. glaziovii)
- Dioscorea planistipulosa var. planistipulosa (Dioscorea planistipulosa var. planistipulosa)
- Dioscorea plantaginifolia (Dioscorea plantaginifolia)
- Dioscorea platycarpa (Dioscorea platycarpa)
- Dioscorea platycolpota (Dioscorea platycolpota)
- Dioscorea plumifera (Dioscorea plumifera)
- Dioscorea pohlii (Dioscorea pohlii)
- Dioscorea pohlii var. luschnathiana (Dioscorea pohlii var. luschnathiana)
- Dioscorea pohlii var. pohlii (Dioscorea pohlii var. pohlii)
- Dioscorea poilanei (Dioscorea poilanei)
- Dioscorea polyclades (Dioscorea polyclades)
- Dioscorea polystachya (Dioscorea polystachya)
- Dioscorea pomeroonensis (Dioscorea pomeroonensis)
- Dioscorea porulosa (Dioscorea porulosa)
- Dioscorea potarensis (Dioscorea potarensis)
- Dioscorea prainiana (Dioscorea prainiana)
- Dioscorea prazeri (Dioscorea prazeri)
- Dioscorea preslii (Dioscorea preslii)
- Dioscorea preussii subsp. hylophila (Dioscorea preussii subsp. hylophila)
- Dioscorea preussii subsp. preussii (Dioscorea preussii subsp. preussii)
- Dioscorea pringlei (Dioscorea pringlei)
- Dioscorea proteiformis (Dioscorea proteiformis)
- Dioscorea psammophila (Dioscorea psammophila)
- Dioscorea pseudocleistogama (Dioscorea pseudocleistogama)
- Dioscorea pseudojaponica (Dioscorea pseudojaponica)
- Dioscorea pseudomacrocapsa (Dioscorea pseudomacrocapsa)
- Dioscorea pseudorajanioides (Dioscorea pseudorajanioides)
- Dioscorea pseudotomentosa (Dioscorea pseudotomentosa)
- Dioscorea psilostachya (Dioscorea psilostachya)
- Dioscorea pteropoda (Dioscorea pteropoda)
- Dioscorea pubera (Dioscorea pubera)
- Dioscorea pubescens (Dioscorea pubescens)
- Dioscorea pumicicola (Dioscorea pumicicola)
- Dioscorea pumilio (Dioscorea pumilio)
- Dioscorea puncticulata (Dioscorea puncticulata)
- Dioscorea purdiei (Dioscorea purdiei)
- Dioscorea putisensis (Dioscorea putisensis)
- Dioscorea putumayensis (Dioscorea putumayensis)
- Dioscorea pynaertii (Dioscorea pynaertii)
- Dioscorea pyrenaica (Dioscorea pyrenaica)
- Dioscorea pyrifolia (Dioscorea pyrifolia)
- Dioscorea quartiniana (Dioscorea quartiniana)
- Dioscorea quinquefolia (Dioscorea quinquefolia)
- Dioscorea quinquelobata (Dioscorea quinquelobata)
- Dioscorea quispicanchensis (Dioscorea quispicanchensis)
- Dioscorea racemosa (Dioscorea racemosa)
- Dioscorea raziae (Dioscorea raziae)
- Dioscorea regnellii (Dioscorea regnellii)
- Dioscorea remota (Dioscorea remota)
- Dioscorea remotiflora (Dioscorea remotiflora)
- Dioscorea reticulata (Dioscorea reticulata)
- Dioscorea retusa (Dioscorea retusa)
- Dioscorea reversiflora (Dioscorea reversiflora)
- Dioscorea richardhowardii (Dioscorea richardhowardii)
- Dioscorea ridleyi (Dioscorea ridleyi)
- Dioscorea riedelii (Dioscorea riedelii)
- Dioscorea rimbachii (Dioscorea rimbachii)
- Dioscorea rockii (Dioscorea rockii)
- Dioscorea rosei (Dioscorea rosei)
- Dioscorea rumicoides (Dioscorea rumicoides)
- Dioscorea rupicola (Dioscorea rupicola)
- Dioscorea rusbyi (Dioscorea rusbyi)
- Dioscorea sabarensis (Dioscorea sabarensis)
- Dioscorea sagittata (Dioscorea sagittata)
- Dioscorea sagittifolia (Dioscorea sagittifolia)
- Dioscorea salicifolia (Dioscorea salicifolia)
- Dioscorea salvadorensis (Dioscorea salvadorensis)
- Dioscorea sambiranensis (Dioscorea sambiranensis)
- Dioscorea sambiranensis subsp. bardotiae (Dioscorea sambiranensis subsp. bardotiae)
- Dioscorea sambiranensis subsp. sambiranensis (Dioscorea sambiranensis subsp. sambiranensis)
- Dioscorea sanchez-colinii (Dioscorea sanchez-colinii)
- Dioscorea sandiensis (Dioscorea sandiensis)
- Dioscorea sandwithii (Dioscorea sandwithii)
- Dioscorea sanpaulensis (Dioscorea sanpaulensis)
- Dioscorea santanderensis (Dioscorea santanderensis)
- Dioscorea santosensis (Dioscorea santosensis)
- Dioscorea sarasinii (Dioscorea sarasinii)
- Dioscorea saxatilis (Dioscorea saxatilis)
- Dioscorea scabra (Dioscorea scabra)
- Dioscorea schimperiana (Dioscorea schimperiana)
- Dioscorea schubertiae (Dioscorea schubertiae)
- Dioscorea schunkei (Dioscorea schunkei)
- Dioscorea schwackei (Dioscorea schwackei)
- Dioscorea scorpioidea (Dioscorea scorpioidea)
- Dioscorea scortechinii (Dioscorea scortechinii)
- Dioscorea secunda (Dioscorea secunda)
- Dioscorea sellowiana (Dioscorea sellowiana)
- Dioscorea semperflorens (Dioscorea semperflorens)
- Dioscorea septemloba (Dioscorea septemloba)
- Dioscorea septemnervis (Dioscorea septemnervis)
- Dioscorea sericea (Dioscorea sericea)
- Dioscorea seriflora (Dioscorea seriflora)
- Dioscorea serpenticola (Dioscorea serpenticola)
- Dioscorea sessiliflora (Dioscorea sessiliflora)
- Dioscorea sexrimata (Dioscorea sexrimata)
- Dioscorea simulans (Dioscorea simulans)
- Dioscorea sinaloensis (Dioscorea sinaloensis)
- Dioscorea sincorensis (Dioscorea sincorensis)
- Dioscorea sinoparviflora (Dioscorea sinoparviflora)
- Dioscorea sinuata (Dioscorea sinuata)
- Dioscorea sitamiana (Dioscorea sitamiana)
- Dioscorea skottsbergii (Dioscorea skottsbergii)
- Dioscorea smilacifolia (Dioscorea smilacifolia)
- Dioscorea sonlaensis (Dioscorea sonlaensis)
- Dioscorea sororopana (Dioscorea sororopana)
- Dioscorea soso (Dioscorea soso)
- Dioscorea soso var. soso (Dioscorea soso var. soso)
- Dioscorea soso var. trichopoda (Dioscorea soso var. trichopoda)
- Dioscorea spectabilis (Dioscorea spectabilis)
- Dioscorea sphaeroidea (Dioscorea sphaeroidea)
- Dioscorea spicata (Dioscorea spicata)
- Dioscorea spongiosa (Dioscorea spongiosa)
- Dioscorea sprucei (Dioscorea sprucei)
- Dioscorea standleyi (Dioscorea standleyi)
- Dioscorea stegelmanniana (Dioscorea stegelmanniana)
- Dioscorea stellaris (Dioscorea stellaris)
- Dioscorea stemonoides (Dioscorea stemonoides)
- Dioscorea stenocolpus (Dioscorea stenocolpus)
- Dioscorea stenomeriflora (Dioscorea stenomeriflora)
- Dioscorea stenopetala (Dioscorea stenopetala)
- Dioscorea stenophylla (Dioscorea stenophylla)
- Dioscorea sterilis (Dioscorea sterilis)
- Dioscorea stipulosa (Dioscorea stipulosa)
- Dioscorea strydomiana (Dioscorea strydomiana)
- Dioscorea subcalva (Dioscorea subcalva)
- Dioscorea subcalva var. subcalva (Dioscorea subcalva var. subcalva)
- Dioscorea subcalva var. submollis (Dioscorea subcalva var. submollis)
- Dioscorea subhastata (Dioscorea subhastata)
- Dioscorea sublignosa (Dioscorea sublignosa)
- Dioscorea subnigra (Dioscorea subnigra)
- Dioscorea subtomentosa (Dioscorea subtomentosa)
- Dioscorea sumatrana (Dioscorea sumatrana)
- Dioscorea sumiderensis (Dioscorea sumiderensis)
- Dioscorea suratensis (Dioscorea suratensis)
- Dioscorea sylvatica (Dioscorea sylvatica)
- Dioscorea synandra (Dioscorea synandra)
- Dioscorea syringifolia (Dioscorea syringifolia)
- Dioscorea tabatae (Dioscorea tabatae)
- Dioscorea tacanensis (Dioscorea tacanensis)
- Dioscorea tamarisciflora (Dioscorea tamarisciflora)
- Dioscorea tamoidea (Dioscorea tamoidea)
- Dioscorea tamoidea subsp. lindenii (Dioscorea tamoidea subsp. lindenii)
- Dioscorea tamoidea subsp. tamoidea (Dioscorea tamoidea subsp. tamoidea)
- Dioscorea tamshiyacuensis (Dioscorea tamshiyacuensis)
- Dioscorea tancitarensis (Dioscorea tancitarensis)
- Dioscorea tarijensis (Dioscorea tarijensis)
- Dioscorea tarmensis (Dioscorea tarmensis)
- Dioscorea tauriglossum (Dioscorea tauriglossum)
- Dioscorea tayacajensis (Dioscorea tayacajensis)
- Dioscorea temascaltepecensis (Dioscorea temascaltepecensis)
- Dioscorea tenebrosa (Dioscorea tenebrosa)
- Dioscorea tenella (Dioscorea tenella)
- Dioscorea tentaculigera (Dioscorea tentaculigera)
- Dioscorea tenuifolia (Dioscorea tenuifolia)
- Dioscorea tenuipes (Dioscorea tenuipes)
- Dioscorea tenuiphyllum (Dioscorea tenuiphyllum)
- Dioscorea tenuis (Dioscorea tenuis)
- Dioscorea ternata (Dioscorea ternata)
- Dioscorea theresensis (Dioscorea theresensis)
- Dioscorea therezopolensis (Dioscorea therezopolensis)
- Dioscorea togoensis (Dioscorea togoensis)
- Dioscorea tokoro (Dioscorea tokoro)
- Dioscorea toldosensis (Dioscorea toldosensis)
- Dioscorea tomentosa (Dioscorea tomentosa)
- Dioscorea torticaulis (Dioscorea torticaulis)
- Dioscorea trachyandra (Dioscorea trachyandra)
- Dioscorea trachycarpa (Dioscorea trachycarpa)
- Dioscorea traillii (Dioscorea traillii)
- Dioscorea transversa (Dioscorea transversa)
- Dioscorea triandria (Dioscorea triandria)
- Dioscorea trichantha (Dioscorea trichantha)
- Dioscorea trichanthera (Dioscorea trichanthera)
- Dioscorea trifoliata (Dioscorea trifoliata)
- Dioscorea trifurcata (Dioscorea trifurcata)
- Dioscorea trilinguis (Dioscorea trilinguis)
- Dioscorea trimenii (Dioscorea trimenii)
- Dioscorea trinervia (Dioscorea trinervia)
- Dioscorea trisecta (Dioscorea trisecta)
- Dioscorea trollii (Dioscorea trollii)
- Dioscorea truncata (Dioscorea truncata)
- Dioscorea tsaratananensis (Dioscorea tsaratananensis)
- Dioscorea tubiperianthia (Dioscorea tubiperianthia)
- Dioscorea tubuliflora (Dioscorea tubuliflora)
- Dioscorea tubulosa (Dioscorea tubulosa)
- Dioscorea uliginosa (Dioscorea uliginosa)
- Dioscorea ulinei (Dioscorea ulinei)
- Dioscorea urceolata (Dioscorea urceolata)
- Dioscorea urophylla (Dioscorea urophylla)
- Dioscorea uruapanensis (Dioscorea uruapanensis)
- Dioscorea valdiviensis (Dioscorea valdiviensis)
- Dioscorea vanvuurenii (Dioscorea vanvuurenii)
- Dioscorea variifolia (Dioscorea variifolia)
- Dioscorea velutipes (Dioscorea velutipes)
- Dioscorea vexans (Dioscorea vexans)
- Dioscorea vilis (Dioscorea vilis)
- Dioscorea volckmannii (Dioscorea volckmannii)
- Dioscorea wallichii (Dioscorea wallichii)
- Dioscorea warburgiana (Dioscorea warburgiana)
- Dioscorea warmingii (Dioscorea warmingii)
- Dioscorea wattii (Dioscorea wattii)
- Dioscorea weberbaueri (Dioscorea weberbaueri)
- Dioscorea widgrenii (Dioscorea widgrenii)
- Dioscorea wightii (Dioscorea wightii)
- Dioscorea wittiana (Dioscorea wittiana)
- Dioscorea wrightii (Dioscorea wrightii)
- Dioscorea xizangensis (Dioscorea xizangensis)
- Dioscorea yunnanensis (Dioscorea yunnanensis)
- Dioscorea zentaroana (Dioscorea zentaroana)
- Dioscorea zingiberensis (Dioscorea zingiberensis)
- Dioscorea × monandra (Dioscorea × monandra)
- Dunguey (Dioscorea cayenensis subsp. cayenensis)
- Fanleaf Yam (Dioscorea flabellifolia)
- Fiveleaf Yam (Dioscorea pentaphylla)
- Florida Yam (Dioscorea floridana)
- Fourleaf Yam (Dioscorea villosa)
- Guinea Yam (Dioscorea cayenensis subsp. rotundata)
- Himber (Dioscorea cordata)
- Hottentot-Bread (Dioscorea elephantipes)
- Indian Yam (Dioscorea trifida)
- Intoxicating Yam (Dioscorea hispida)
- Japanese Yam (Dioscorea japonica)
- Lesser Yam (Dioscorea esculenta)
- Mata Gallina (Dioscorea polygonoides)
- Preuss' Dioscorea (Dioscorea preussii)
- Water Yam (Dioscorea alata)
- Wild Yam (Dioscorea villosa)
- Yam (Dioscorea composita)
- Yam (Dioscorea convolvulacea)
- Yam (Dioscorea mexicana)
- Yam (Dioscorea nummularia)
- Yam (Dioscorea spiculiflora)
- Yam (Dioscorea floribunda)
- Yellow Guinea Yam (Dioscorea cayenensis)
- Zanzibar Yam (Dioscorea sansibarensis)