All Species in Lobelia
- Alakai Swamp Lobelia (Lobelia villosa)
- Apache Lobelia (Lobelia anatina)
- Bay Lobelia (Lobelia feayana)
- Berlandier's Lobelia (Lobelia berlandieri)
- Bog Lobelia (Lobelia gloria-montis)
- Boykin's Lobelia (Lobelia boykinii)
- Canby's Lobelia (Lobelia canbyi)
- Cardenala Azul (Lobelia cliffortiana)
- Cardinalflower (Lobelia cardinalis)
- Chinese Lobelia (Lobelia chinensis)
- Dortmann's Cardinalflower (Lobelia dortmanna)
- Downy Lobelia (Lobelia puberula)
- Edging Lobelia (Lobelia erinus)
- Florida Lobelia (Lobelia floridana)
- Foldear Lobelia (Lobelia flaccidifolia)
- Fringeleaf Lobelia (Lobelia fenestralis)
- Glade Lobelia (Lobelia glandulosa)
- Grayleaf Lobelia (Lobelia remyi)
- Great Blue Lobelia (Lobelia siphilitica)
- Haleakala Lobelia (Lobelia grayana)
- Indian-Tobacco (Lobelia inflata)
- Koolau Range Lobelia (Lobelia gaudichaudii)
- Kuhi'Aikamo'Owahie (Lobelia hypoleuca)
- Lava Lobelia (Lobelia × kauaensis)
- Lobelia (Lobelia × rogersii)
- Lobelia (Lobelia × speciosa)
- Lobelia aberdarica (Lobelia aberdarica)
- Lobelia acrochila (Lobelia acrochila)
- Lobelia acuminata (Lobelia acuminata)
- Lobelia acutidens (Lobelia acutidens)
- Lobelia adnexa (Lobelia adnexa)
- Lobelia agrestis (Lobelia agrestis)
- Lobelia aguana (Lobelia aguana)
- Lobelia alanae (Lobelia alanae)
- Lobelia alsinoides (Lobelia alsinoides)
- Lobelia alsinoides var. alsinoides (Lobelia alsinoides var. alsinoides)
- Lobelia alsinoides var. trigona (Lobelia alsinoides var. trigona)
- Lobelia alticaulis (Lobelia alticaulis)
- Lobelia andrewsii (Lobelia andrewsii)
- Lobelia angulata (Lobelia angulata)
- Lobelia apalachicolensis (Lobelia apalachicolensis)
- Lobelia aquaemontis (Lobelia aquaemontis)
- Lobelia aquatica (Lobelia aquatica)
- Lobelia archboldiana (Lobelia archboldiana)
- Lobelia archeri (Lobelia archeri)
- Lobelia ardisiandroides (Lobelia ardisiandroides)
- Lobelia arenaria (Lobelia arenaria)
- Lobelia arnhemiaca (Lobelia arnhemiaca)
- Lobelia arunachalensis (Lobelia arunachalensis)
- Lobelia assurgens (Lobelia assurgens)
- Lobelia assurgens subsp. assurgens (Lobelia assurgens subsp. assurgens)
- Lobelia assurgens subsp. santa-clarae (Lobelia assurgens subsp. santa-clarae)
- Lobelia aurita (Lobelia aurita)
- Lobelia ayersiae (Lobelia ayersiae)
- Lobelia bambuseti (Lobelia bambuseti)
- Lobelia barkerae (Lobelia barkerae)
- Lobelia barnsii (Lobelia barnsii)
- Lobelia batsonii (Lobelia batsonii)
- Lobelia baumannii (Lobelia baumannii)
- Lobelia beaugleholei (Lobelia beaugleholei)
- Lobelia benthamii (Lobelia benthamii)
- Lobelia bequaertii (Lobelia bequaertii)
- Lobelia berlandieri subsp. berlandieri (Lobelia berlandieri subsp. berlandieri)
- Lobelia berlandieri subsp. brachypoda (Lobelia berlandieri subsp. brachypoda)
- Lobelia biflora (Lobelia biflora)
- Lobelia bipinnatifida (Lobelia bipinnatifida)
- Lobelia blantyrensis (Lobelia blantyrensis)
- Lobelia boivinii (Lobelia boivinii)
- Lobelia boninensis (Lobelia boninensis)
- Lobelia borneensis (Lobelia borneensis)
- Lobelia borneensis subsp. borneensis (Lobelia borneensis subsp. borneensis)
- Lobelia borneensis subsp. celebensis (Lobelia borneensis subsp. celebensis)
- Lobelia borneensis subsp. grandiflora (Lobelia borneensis subsp. grandiflora)
- Lobelia borneensis subsp. insulae-florum (Lobelia borneensis subsp. insulae-florum)
- Lobelia brachyantha (Lobelia brachyantha)
- Lobelia brasiliensis (Lobelia brasiliensis)
- Lobelia bridgesii (Lobelia bridgesii)
- Lobelia brigittalis (Lobelia brigittalis)
- Lobelia bryophila (Lobelia bryophila)
- Lobelia burttii (Lobelia burttii)
- Lobelia burttii subsp. burttii (Lobelia burttii subsp. burttii)
- Lobelia burttii subsp. meruensis (Lobelia burttii subsp. meruensis)
- Lobelia burttii subsp. telmaticola (Lobelia burttii subsp. telmaticola)
- Lobelia cacuminis (Lobelia cacuminis)
- Lobelia caeciliae (Lobelia caeciliae)
- Lobelia caerulea (Lobelia caerulea)
- Lobelia caledoniana (Lobelia caledoniana)
- Lobelia calochlamys (Lobelia calochlamys)
- Lobelia camporum (Lobelia camporum)
- Lobelia capillifolia (Lobelia capillifolia)
- Lobelia capixaba (Lobelia capixaba)
- Lobelia carens (Lobelia carens)
- Lobelia caudata (Lobelia caudata)
- Lobelia chamaedryfolia (Lobelia chamaedryfolia)
- Lobelia chamaepitys (Lobelia chamaepitys)
- Lobelia cheranganiensis (Lobelia cheranganiensis)
- Lobelia chevalieri (Lobelia chevalieri)
- Lobelia chireensis (Lobelia chireensis)
- Lobelia christii (Lobelia christii)
- Lobelia circaeoides (Lobelia circaeoides)
- Lobelia cirsiifolia (Lobelia cirsiifolia)
- Lobelia clavata (Lobelia clavata)
- Lobelia claviflora (Lobelia claviflora)
- Lobelia cleistogamoides (Lobelia cleistogamoides)
- Lobelia cobaltica (Lobelia cobaltica)
- Lobelia cochleariifolia (Lobelia cochleariifolia)
- Lobelia collina (Lobelia collina)
- Lobelia columnaris (Lobelia columnaris)
- Lobelia comosa (Lobelia comosa)
- Lobelia comptonii (Lobelia comptonii)
- Lobelia concolor (Lobelia concolor)
- Lobelia conferta (Lobelia conferta)
- Lobelia conglobata (Lobelia conglobata)
- Lobelia cordifolia (Lobelia cordifolia)
- Lobelia corniculata (Lobelia corniculata)
- Lobelia coronopifolia (Lobelia coronopifolia)
- Lobelia corymbiformis (Lobelia corymbiformis)
- Lobelia cubana (Lobelia cubana)
- Lobelia cuneifolia (Lobelia cuneifolia)
- Lobelia cyanea (Lobelia cyanea)
- Lobelia cymbalarioides (Lobelia cymbalarioides)
- Lobelia cyphioides (Lobelia cyphioides)
- Lobelia darlingensis (Lobelia darlingensis)
- Lobelia dasyphylla (Lobelia dasyphylla)
- Lobelia davidii (Lobelia davidii)
- Lobelia deckenii (Lobelia deckenii)
- Lobelia deckenii subsp. deckenii (Lobelia deckenii subsp. deckenii)
- Lobelia deckenii subsp. incipiens (Lobelia deckenii subsp. incipiens)
- Lobelia decurrens (Lobelia decurrens)
- Lobelia decurrens subsp. decurrens (Lobelia decurrens subsp. decurrens)
- Lobelia decurrens subsp. parviflora (Lobelia decurrens subsp. parviflora)
- Lobelia decurrentifolia (Lobelia decurrentifolia)
- Lobelia deleiensis (Lobelia deleiensis)
- Lobelia dentata (Lobelia dentata)
- Lobelia diastateoides (Lobelia diastateoides)
- Lobelia diazlunae (Lobelia diazlunae)
- Lobelia dichroma (Lobelia dichroma)
- Lobelia dielsiana (Lobelia dielsiana)
- Lobelia digitalifolia (Lobelia digitalifolia)
- Lobelia dioica (Lobelia dioica)
- Lobelia dissecta (Lobelia dissecta)
- Lobelia divaricata (Lobelia divaricata)
- Lobelia divergens (Lobelia divergens)
- Lobelia djurensis (Lobelia djurensis)
- Lobelia dodiana (Lobelia dodiana)
- Lobelia donanensis (Lobelia donanensis)
- Lobelia dopatrioides (Lobelia dopatrioides)
- Lobelia dopatrioides var. cantonensis (Lobelia dopatrioides var. cantonensis)
- Lobelia dopatrioides var. dopatrioides (Lobelia dopatrioides var. dopatrioides)
- Lobelia dopatrioides var. kradungensis (Lobelia dopatrioides var. kradungensis)
- Lobelia douglasiana (Lobelia douglasiana)
- Lobelia dregeana (Lobelia dregeana)
- Lobelia dressleri (Lobelia dressleri)
- Lobelia drungjiangensis (Lobelia drungjiangensis)
- Lobelia dunbariae (Lobelia dunbariae)
- Lobelia dunbariae subsp. dunbariae (Lobelia dunbariae subsp. dunbariae)
- Lobelia dunbariae subsp. paniculata (Lobelia dunbariae subsp. paniculata)
- Lobelia duriprati (Lobelia duriprati)
- Lobelia eckloniana (Lobelia eckloniana)
- Lobelia ehrenbergii (Lobelia ehrenbergii)
- Lobelia ehrenbergii subsp. ehrenbergii (Lobelia ehrenbergii subsp. ehrenbergii)
- Lobelia ehrenbergii subsp. gracilens (Lobelia ehrenbergii subsp. gracilens)
- Lobelia ekmanii (Lobelia ekmanii)
- Lobelia endlichii (Lobelia endlichii)
- Lobelia erectiuscula (Lobelia erectiuscula)
- Lobelia erlangeriana (Lobelia erlangeriana)
- Lobelia eryliae (Lobelia eryliae)
- Lobelia eryliae subsp. eryliae (Lobelia eryliae subsp. eryliae)
- Lobelia eryliae subsp. luzonica (Lobelia eryliae subsp. luzonica)
- Lobelia eurypoda (Lobelia eurypoda)
- Lobelia exaltata (Lobelia exaltata)
- Lobelia excelsa (Lobelia excelsa)
- Lobelia exilis (Lobelia exilis)
- Lobelia fangiana (Lobelia fangiana)
- Lobelia fastigiata (Lobelia fastigiata)
- Lobelia fatiscens (Lobelia fatiscens)
- Lobelia fawcettii (Lobelia fawcettii)
- Lobelia fenshamii (Lobelia fenshamii)
- Lobelia fervens (Lobelia fervens)
- Lobelia fervens subsp. fervens (Lobelia fervens subsp. fervens)
- Lobelia fervens subsp. recurvata (Lobelia fervens subsp. recurvata)
- Lobelia filicaulis (Lobelia filicaulis)
- Lobelia filiformis (Lobelia filiformis)
- Lobelia filipes (Lobelia filipes)
- Lobelia fissiflora (Lobelia fissiflora)
- Lobelia fistulosa (Lobelia fistulosa)
- Lobelia flaccida (Lobelia flaccida)
- Lobelia flaccida subsp. flaccida (Lobelia flaccida subsp. flaccida)
- Lobelia flaccida subsp. granvikii (Lobelia flaccida subsp. granvikii)
- Lobelia flaccida subsp. mossiana (Lobelia flaccida subsp. mossiana)
- Lobelia flexicaulis (Lobelia flexicaulis)
- Lobelia flexuosa (Lobelia flexuosa)
- Lobelia flexuosa subsp. flexuosa (Lobelia flexuosa subsp. flexuosa)
- Lobelia flexuosa subsp. intermedia (Lobelia flexuosa subsp. intermedia)
- Lobelia foliiformis (Lobelia foliiformis)
- Lobelia fontana (Lobelia fontana)
- Lobelia fugax (Lobelia fugax)
- Lobelia galpinii (Lobelia galpinii)
- Lobelia gaoligongshanica (Lobelia gaoligongshanica)
- Lobelia gattingeri (Lobelia gattingeri)
- Lobelia gelida (Lobelia gelida)
- Lobelia georgiana (Lobelia georgiana)
- Lobelia ghiesbreghtii (Lobelia ghiesbreghtii)
- Lobelia gibbosa (Lobelia gibbosa)
- Lobelia giberroa (Lobelia giberroa)
- Lobelia gilgii (Lobelia gilgii)
- Lobelia gilletii (Lobelia gilletii)
- Lobelia glaberrima (Lobelia glaberrima)
- Lobelia gladiaria (Lobelia gladiaria)
- Lobelia glaucescens (Lobelia glaucescens)
- Lobelia glazioviana (Lobelia glazioviana)
- Lobelia gloria-montis subsp. gloria-montis (Lobelia gloria-montis subsp. gloria-montis)
- Lobelia gloria-montis subsp. longibracteata (Lobelia gloria-montis subsp. longibracteata)
- Lobelia goetzei (Lobelia goetzei)
- Lobelia goldmanii (Lobelia goldmanii)
- Lobelia gouldii (Lobelia gouldii)
- Lobelia gracillima (Lobelia gracillima)
- Lobelia grandifolia (Lobelia grandifolia)
- Lobelia graniticola (Lobelia graniticola)
- Lobelia gregoriana (Lobelia gregoriana)
- Lobelia gregoriana subsp. elgonensis (Lobelia gregoriana subsp. elgonensis)
- Lobelia gregoriana subsp. gregoriana (Lobelia gregoriana subsp. gregoriana)
- Lobelia gregoriana subsp. sattimae (Lobelia gregoriana subsp. sattimae)
- Lobelia griffithii (Lobelia griffithii)
- Lobelia gruina (Lobelia gruina)
- Lobelia gruina subsp. gruina (Lobelia gruina subsp. gruina)
- Lobelia gruina subsp. peduncularis (Lobelia gruina subsp. peduncularis)
- Lobelia guatemalensis (Lobelia guatemalensis)
- Lobelia guerrerensis (Lobelia guerrerensis)
- Lobelia guzmanii (Lobelia guzmanii)
- Lobelia gypsophila (Lobelia gypsophila)
- Lobelia hainanensis (Lobelia hainanensis)
- Lobelia harrisii (Lobelia harrisii)
- Lobelia hartlaubii (Lobelia hartlaubii)
- Lobelia hartwegii (Lobelia hartwegii)
- Lobelia hassleri (Lobelia hassleri)
- Lobelia hederacea (Lobelia hederacea)
- Lobelia henodon (Lobelia henodon)
- Lobelia henricksonii (Lobelia henricksonii)
- Lobelia hereroensis (Lobelia hereroensis)
- Lobelia heteroclita (Lobelia heteroclita)
- Lobelia heterophylla (Lobelia heterophylla)
- Lobelia heterophylla subsp. centralis (Lobelia heterophylla subsp. centralis)
- Lobelia heterophylla subsp. heterophylla (Lobelia heterophylla subsp. heterophylla)
- Lobelia heterophylla subsp. pilbarensis (Lobelia heterophylla subsp. pilbarensis)
- Lobelia heyneana (Lobelia heyneana)
- Lobelia hilaireana (Lobelia hilaireana)
- Lobelia hintoniorum (Lobelia hintoniorum)
- Lobelia hirtipes (Lobelia hirtipes)
- Lobelia holotricha (Lobelia holotricha)
- Lobelia holstii (Lobelia holstii)
- Lobelia hongiana (Lobelia hongiana)
- Lobelia horombensis (Lobelia horombensis)
- Lobelia hotteana (Lobelia hotteana)
- Lobelia humistrata (Lobelia humistrata)
- Lobelia humpatensis (Lobelia humpatensis)
- Lobelia hypnodes (Lobelia hypnodes)
- Lobelia hypsibata (Lobelia hypsibata)
- Lobelia illota (Lobelia illota)
- Lobelia imberbis (Lobelia imberbis)
- Lobelia inconspicua (Lobelia inconspicua)
- Lobelia innominata (Lobelia innominata)
- Lobelia intercedens (Lobelia intercedens)
- Lobelia irasuensis (Lobelia irasuensis)
- Lobelia irasuensis subsp. fucata (Lobelia irasuensis subsp. fucata)
- Lobelia irasuensis subsp. irasuensis (Lobelia irasuensis subsp. irasuensis)
- Lobelia irasuensis subsp. picta (Lobelia irasuensis subsp. picta)
- Lobelia irrigua (Lobelia irrigua)
- Lobelia iteophylla (Lobelia iteophylla)
- Lobelia jaliscensis (Lobelia jaliscensis)
- Lobelia jasionoides (Lobelia jasionoides)
- Lobelia kalobaensis (Lobelia kalobaensis)
- Lobelia kirkii (Lobelia kirkii)
- Lobelia knoblochii (Lobelia knoblochii)
- Lobelia koolauensis (Lobelia koolauensis)
- Lobelia kraussii (Lobelia kraussii)
- Lobelia kundelungensis (Lobelia kundelungensis)
- Lobelia lammersiana (Lobelia lammersiana)
- Lobelia langeana (Lobelia langeana)
- Lobelia lasiocalycina (Lobelia lasiocalycina)
- Lobelia laurentioides (Lobelia laurentioides)
- Lobelia laxa (Lobelia laxa)
- Lobelia laxiflora subsp. angustifolia (Lobelia laxiflora subsp. angustifolia)
- Lobelia laxiflora subsp. laxiflora (Lobelia laxiflora subsp. laxiflora)
- Lobelia leichhardii (Lobelia leichhardii)
- Lobelia lepida (Lobelia lepida)
- Lobelia leschenaultiana (Lobelia leschenaultiana)
- Lobelia leucotos (Lobelia leucotos)
- Lobelia limosa (Lobelia limosa)
- Lobelia linarioides (Lobelia linarioides)
- Lobelia lindblomii (Lobelia lindblomii)
- Lobelia linearis (Lobelia linearis)
- Lobelia lingulata (Lobelia lingulata)
- Lobelia linnaeoides (Lobelia linnaeoides)
- Lobelia lisowskii (Lobelia lisowskii)
- Lobelia lithophila (Lobelia lithophila)
- Lobelia livingstoniana (Lobelia livingstoniana)
- Lobelia lobata (Lobelia lobata)
- Lobelia longicaulis (Lobelia longicaulis)
- Lobelia longipedicellata (Lobelia longipedicellata)
- Lobelia longisepala (Lobelia longisepala)
- Lobelia loochooensis (Lobelia loochooensis)
- Lobelia lucayana (Lobelia lucayana)
- Lobelia lukwangulensis (Lobelia lukwangulensis)
- Lobelia luruniensis (Lobelia luruniensis)
- Lobelia luzoniensis (Lobelia luzoniensis)
- Lobelia macdonaldii (Lobelia macdonaldii)
- Lobelia macrocentron (Lobelia macrocentron)
- Lobelia macrodon (Lobelia macrodon)
- Lobelia malowensis (Lobelia malowensis)
- Lobelia margarita (Lobelia margarita)
- Lobelia martagon (Lobelia martagon)
- Lobelia mcvaughii (Lobelia mcvaughii)
- Lobelia melliana (Lobelia melliana)
- Lobelia membranacea (Lobelia membranacea)
- Lobelia mexicana (Lobelia mexicana)
- Lobelia mezlerioides (Lobelia mezlerioides)
- Lobelia mildbraedii (Lobelia mildbraedii)
- Lobelia minutula (Lobelia minutula)
- Lobelia modesta (Lobelia modesta)
- Lobelia molleri (Lobelia molleri)
- Lobelia montana (Lobelia montana)
- Lobelia morogoroensis (Lobelia morogoroensis)
- Lobelia muscoides (Lobelia muscoides)
- Lobelia nana (Lobelia nana)
- Lobelia neglecta (Lobelia neglecta)
- Lobelia neumannii (Lobelia neumannii)
- Lobelia nicotianifolia (Lobelia nicotianifolia)
- Lobelia nubicola (Lobelia nubicola)
- Lobelia nubigena (Lobelia nubigena)
- Lobelia nugax (Lobelia nugax)
- Lobelia nummularia (Lobelia nummularia)
- Lobelia nummularioides (Lobelia nummularioides)
- Lobelia oaxacana (Lobelia oaxacana)
- Lobelia obconica (Lobelia obconica)
- Lobelia occidentalis (Lobelia occidentalis)
- Lobelia oligophylla (Lobelia oligophylla)
- Lobelia oreas (Lobelia oreas)
- Lobelia organensis (Lobelia organensis)
- Lobelia orientalis (Lobelia orientalis)
- Lobelia origenes (Lobelia origenes)
- Lobelia ovina (Lobelia ovina)
- Lobelia oxyphylla (Lobelia oxyphylla)
- Lobelia pachytricha (Lobelia pachytricha)
- Lobelia paludigena (Lobelia paludigena)
- Lobelia paranaensis (Lobelia paranaensis)
- Lobelia parva (Lobelia parva)
- Lobelia parvidentata (Lobelia parvidentata)
- Lobelia parvisepala (Lobelia parvisepala)
- Lobelia patula (Lobelia patula)
- Lobelia pedunculata (Lobelia pedunculata)
- Lobelia pentheri (Lobelia pentheri)
- Lobelia perpusilla (Lobelia perpusilla)
- Lobelia perrieri (Lobelia perrieri)
- Lobelia persicifolia (Lobelia persicifolia)
- Lobelia petiolata (Lobelia petiolata)
- Lobelia philippinensis (Lobelia philippinensis)
- Lobelia philippinensis subsp. biliranensis (Lobelia philippinensis subsp. biliranensis)
- Lobelia philippinensis subsp. negrosensis (Lobelia philippinensis subsp. negrosensis)
- Lobelia philippinensis subsp. philippinensis (Lobelia philippinensis subsp. philippinensis)
- Lobelia physaloides (Lobelia physaloides)
- Lobelia pinifolia (Lobelia pinifolia)
- Lobelia plebeia (Lobelia plebeia)
- Lobelia pleotricha (Lobelia pleotricha)
- Lobelia poetica (Lobelia poetica)
- Lobelia polyphylla (Lobelia polyphylla)
- Lobelia porphyrea (Lobelia porphyrea)
- Lobelia pratioides (Lobelia pratioides)
- Lobelia preslii (Lobelia preslii)
- Lobelia pringlei (Lobelia pringlei)
- Lobelia proctorii (Lobelia proctorii)
- Lobelia psilostoma (Lobelia psilostoma)
- Lobelia pteropoda (Lobelia pteropoda)
- Lobelia pubescens (Lobelia pubescens)
- Lobelia pulchella (Lobelia pulchella)
- Lobelia purpurascens (Lobelia purpurascens)
- Lobelia purpusii (Lobelia purpusii)
- Lobelia pyramidalis (Lobelia pyramidalis)
- Lobelia quadrangularis (Lobelia quadrangularis)
- Lobelia quadrisepala (Lobelia quadrisepala)
- Lobelia quarreana (Lobelia quarreana)
- Lobelia quiexobrae (Lobelia quiexobrae)
- Lobelia rarifolia (Lobelia rarifolia)
- Lobelia reinekeana (Lobelia reinekeana)
- Lobelia reinwardtiana (Lobelia reinwardtiana)
- Lobelia reinwardtiana var. megalantha (Lobelia reinwardtiana var. megalantha)
- Lobelia reinwardtiana var. reinwardtiana (Lobelia reinwardtiana var. reinwardtiana)
- Lobelia reniformis (Lobelia reniformis)
- Lobelia reptans (Lobelia reptans)
- Lobelia reverchonii (Lobelia reverchonii)
- Lobelia rhombifolia (Lobelia rhombifolia)
- Lobelia rhynchopetalum (Lobelia rhynchopetalum)
- Lobelia rhytidosperma (Lobelia rhytidosperma)
- Lobelia ritabeaniana (Lobelia ritabeaniana)
- Lobelia rivalis (Lobelia rivalis)
- Lobelia rosalindae (Lobelia rosalindae)
- Lobelia rosea (Lobelia rosea)
- Lobelia roughii (Lobelia roughii)
- Lobelia rubescens (Lobelia rubescens)
- Lobelia rzedowskii (Lobelia rzedowskii)
- Lobelia salicina (Lobelia salicina)
- Lobelia sancta (Lobelia sancta)
- Lobelia santa-luciae (Lobelia santa-luciae)
- Lobelia santos-limae (Lobelia santos-limae)
- Lobelia sapinii (Lobelia sapinii)
- Lobelia sartorii (Lobelia sartorii)
- Lobelia saturnini (Lobelia saturnini)
- Lobelia scebelii (Lobelia scebelii)
- Lobelia schimperi (Lobelia schimperi)
- Lobelia scrobiculata (Lobelia scrobiculata)
- Lobelia seguinii (Lobelia seguinii)
- Lobelia serpens (Lobelia serpens)
- Lobelia serratifolia (Lobelia serratifolia)
- Lobelia sessilifolia (Lobelia sessilifolia)
- Lobelia setacea (Lobelia setacea)
- Lobelia setulosa (Lobelia setulosa)
- Lobelia shaferi (Lobelia shaferi)
- Lobelia simplicicaulis (Lobelia simplicicaulis)
- Lobelia simulans (Lobelia simulans)
- Lobelia sinaloae (Lobelia sinaloae)
- Lobelia solaris (Lobelia solaris)
- Lobelia sonderiana (Lobelia sonderiana)
- Lobelia spathopetala (Lobelia spathopetala)
- Lobelia standleyi (Lobelia standleyi)
- Lobelia stenocarpa (Lobelia stenocarpa)
- Lobelia stenodonta (Lobelia stenodonta)
- Lobelia stenophylla (Lobelia stenophylla)
- Lobelia stenosiphon (Lobelia stenosiphon)
- Lobelia stolonifera (Lobelia stolonifera)
- Lobelia stricklandiae (Lobelia stricklandiae)
- Lobelia stricta (Lobelia stricta)
- Lobelia stuhlmannii (Lobelia stuhlmannii)
- Lobelia sublibera (Lobelia sublibera)
- Lobelia subnuda (Lobelia subnuda)
- Lobelia subpubera (Lobelia subpubera)
- Lobelia subscaposa (Lobelia subscaposa)
- Lobelia sulawesiensis (Lobelia sulawesiensis)
- Lobelia sumatrana (Lobelia sumatrana)
- Lobelia surrepens (Lobelia surrepens)
- Lobelia sutherlandii (Lobelia sutherlandii)
- Lobelia taliensis (Lobelia taliensis)
- Lobelia tarsophora (Lobelia tarsophora)
- Lobelia tatea (Lobelia tatea)
- Lobelia telekii (Lobelia telekii)
- Lobelia telephioides (Lobelia telephioides)
- Lobelia tenera (Lobelia tenera)
- Lobelia tenuior (Lobelia tenuior)
- Lobelia tenuior subsp. dictyosperma (Lobelia tenuior subsp. dictyosperma)
- Lobelia tenuior subsp. tenuior (Lobelia tenuior subsp. tenuior)
- Lobelia terminalis (Lobelia terminalis)
- Lobelia thapsoidea (Lobelia thapsoidea)
- Lobelia thermalis (Lobelia thermalis)
- Lobelia thorelii (Lobelia thorelii)
- Lobelia thuliniana (Lobelia thuliniana)
- Lobelia tomentosa (Lobelia tomentosa)
- Lobelia trigonocaulis (Lobelia trigonocaulis)
- Lobelia tripartita (Lobelia tripartita)
- Lobelia trullifolia (Lobelia trullifolia)
- Lobelia trullifolia subsp. delicatula (Lobelia trullifolia subsp. delicatula)
- Lobelia trullifolia subsp. minor (Lobelia trullifolia subsp. minor)
- Lobelia trullifolia subsp. pinnatifida (Lobelia trullifolia subsp. pinnatifida)
- Lobelia trullifolia subsp. rhodesica (Lobelia trullifolia subsp. rhodesica)
- Lobelia trullifolia subsp. trullifolia (Lobelia trullifolia subsp. trullifolia)
- Lobelia tupa (Lobelia tupa)
- Lobelia udzungwensis (Lobelia udzungwensis)
- Lobelia uliginosa (Lobelia uliginosa)
- Lobelia umbellifera (Lobelia umbellifera)
- Lobelia urens (Lobelia urens)
- Lobelia vagans (Lobelia vagans)
- Lobelia valida (Lobelia valida)
- Lobelia vanreenensis (Lobelia vanreenensis)
- Lobelia victoriensis (Lobelia victoriensis)
- Lobelia villaregalis (Lobelia villaregalis)
- Lobelia viridiflora (Lobelia viridiflora)
- Lobelia volcanica (Lobelia volcanica)
- Lobelia wahiawa (Lobelia wahiawa)
- Lobelia walkeri (Lobelia walkeri)
- Lobelia welwitschii (Lobelia welwitschii)
- Lobelia wilmsiana (Lobelia wilmsiana)
- Lobelia winifrediae (Lobelia winifrediae)
- Lobelia wollastonii (Lobelia wollastonii)
- Lobelia xalapensis (Lobelia xalapensis)
- Lobelia xongorolana (Lobelia xongorolana)
- Lobelia yucatana (Lobelia yucatana)
- Lobelia zelayensis (Lobelia zelayensis)
- Lobelia zeylanica (Lobelia zeylanica)
- Longleaf Lobelia (Lobelia elongata)
- Maui Lobelia (Lobelia hillebrandii)
- Niihau Lobelia (Lobelia niihauensis)
- Nuttall's Lobelia (Lobelia nuttallii)
- Oahu Lobelia (Lobelia oahuensis)
- Ontario Lobelia (Lobelia kalmii)
- Pale Lobelia (Lobelia appendiculata)
- Palespike Lobelia (Lobelia spicata)
- Panaunau (Lobelia yuccoides)
- Pineland Lobelia (Lobelia homophylla)
- Robust Lobelia (Lobelia robusta)
- Roundleaf Lobelia (Lobelia rotundifolia)
- Shortleaf Lobelia (Lobelia brevifolia)
- Sierra Madre Lobelia (Lobelia laxiflora)
- Southern Lobelia (Lobelia amoena)
- Tibey Tupa (Lobelia portoricensis)
- Vivald's Lobelia (Lobelia vivaldii)
- Waianae Range Lobelia (Lobelia monostachya)
- Waihanau Lobelia (Lobelia dunbarii)
- White Lobelia (Lobelia paludosa)