| Primula admontensis Gusmus ex Church. sect. Auricula |
| Primula advena W.W.Sm. sect. Nivales |
| Primula aemula Balf.f & Forrest sect. Nivales |
| Primula aerinantha Balf.f. & Purdom sect. Muscarioides |
| Primula agleniana Balf.f. & Forrest sect. Nivales |
| Primula albenensis Banfi & Ferl. sect. Auricula |
| Primula alcalina Cholewa & Douglass M.Hend. sect. Farinosae |
| Primula algida Adams sect. Farinosae |
| Primula aliciae G.Taylor ex W.W.Sm. sect. Souliei |
| Primula allionii Loisel. sect. Auricula |
| Primula alpicola (W.W.Sm.) Stapf sect. Sikkimensis |
| Primula alsophila Balf.f. & Farrer sect. Geranioides |
| Primula ambita Balf.f. sect. Obconica |
| Primula amethystina Franch. sect. Amethystina |
| Primula amoena M.Bieb. sect. Vernales |
| Primula amurensis (Fed.) P.M.Sl. sect. Cortusoides |
| Primula angustifolia Torr. sect. Parryi |
| Primula anisodora Balf.f. & Forrest sect. Candelabra |
| Primula annulata Balf.f. & Kingdon-Ward sect. Minutissimae |
| Primula anvilensis S.Kelso sect. Farinosae |
| Primula apennina Widmer sect. Auricula |
| Primula argutidens Franch. sect. Amethystina |
| Primula aromatica W.W.Sm. & Forrest sect. Malacoides |
| Primula asarifolia H.R.Fletcher sect. Obconica |
| Primula atrodentata W.W.Sm. sect. Denticulata |
| Primula aurantiaca W.W.Sm. & Forrest sect. Candelabra |
| Primula aureostellata Balf.f. & R.E.Cooper sect. Amethystina |
| Primula auricula L. sect. Auricula |
| Primula auriculata Lam. sect. Farinosae |
| Primula austrofrigida (K.L.Chamb.) A.R.Mast & Reveal sect. Dodecatheon |
| Primula baileyana Kingdon-Ward sect. Rotundifolia |
| Primula baldshuanica B.Fedtsch. sect. Farinosae |
| Primula barbatula W.W.Sm. sect. Minutissimae |
| Primula barbicalyx C.H.Wright sect. Obconica |
| Primula barnardoana W.W.Sm. & Kingdon-Ward. sect. Nivales |
| Primula bathangensis Petitm. sect. Malvacea |
| Primula baumgarteniana Degen & Moesz sect. Auricula |
| Primula beesiana Forrest sect. Candelabra |
| Primula begoniiformis Petitm. sect. Obconica |
| Primula bella Franch. sect. Minutissimae |
| Primula bellidifolia King ex Hook.f. sect. Muscarioides |
| Primula bergenioides C.M.Hu & Y.Y.Geng |
| Primula berninae A.Kern. sect. Auricula |
| Primula biserrata Forrest sect. Candelabra |
| Primula blattariformis Franch. sect. Malvacea |
| Primula blinii H.Lév. sect. Souliei |
| Primula bomiensis F.H.Chen & C.M.Hu sect. Petiolares |
| Primula borealis Duby sect. Farinosae |
| Primula boreiocalliantha Balf.f. & Forrest sect. Nivales |
| Primula bowlesii Farrer sect. Auricula |
| Primula bracteata Franch. sect. Bullatae |
| Primula bracteosa Craib sect. Petiolares |
| Primula brevicula Balf.f. & Forrest sect. Nivales |
| Primula brevifolia Forrest sect. Amethystina |
| Primula breviscapa Franch. sect. Petiolares |
| Primula brotheri (R.Knuth) Sutorý sect. Cortusoides |
| Primula bryophila Balf. & Farrer sect. Nivales |
| Primula bukukunica Kovt. sect. Farinosae |
| Primula bullata Franch. sect. Bullatae |
| Primula bulleyana Forrest sect. Candelabra |
| Primula buryana Balf.f. sect. Soldanelloides |
| Primula caldaria W.W.Sm. & Forrest sect. Farinosae |
| Primula calderiana Balf.f. & R.E.Cooper sect. Petiolares |
| Primula calliantha Franch. sect. Nivales |
| Primula calthifolia W.W.Sm. sect. Petiolares |
| Primula calyptrata X.Gong & R.C.Fang sect. Carolinella |
| Primula candicans W.W.Sm. sect. Minutissimae |
| Primula canescens (Opiz) P.M.Sl. sect. Vernales |
| Primula capillaris N.H.Holmgren & A.H.Holmgren sect. Parryi |
| Primula capitata Hook. sect. Capitatae |
| Primula capitellata Boiss. sect. Farinosae |
| Primula carniolica Jacq. sect. Auricula |
| Primula cavaleriei Petitm. sect. Malacoides |
| Primula caveana W.W.Sm. sect. Rotundifolia |
| Primula cawdoriana Kingdon-Ward sect. Soldanelloides |
| Primula celsiiformis Balf.f. sect. Malvacea |
| Primula cerina H.R.Fletcher sect. Nivales |
| Primula cernua Franch. sect. Muscarioides |
| Primula cicutariifolia Pax sect. Pinnatae |
| Primula cinerascens Franch. sect. Cortusoides |
| Primula clarkei G.Watt sect. Farinosae |
| Primula clevelandii (Greene) A.R.Mast & Reveal |
| Primula clusiana Tausch sect. Auricula |
| Primula clutterbuckii Kingon-Ward sect. Farinosae |
| Primula cockburniana Hemsl. sect. Candelabra |
| Primula coerulea Forrest sect. Petiolares |
| Primula columnae Ten. sect. Vernales |
| Primula comata H.R.Fletcher sect. Petiolares |
| Primula commutata Schott sect. Auricula |
| Primula concinna G.Watt sect. Farinosae |
| Primula concholoba Stapf & Sealy sect. Muscarioides |
| Primula conjugens (Greene) A.R.Mast & Reveal sect. Dodecatheon |
| Primula conspersa Balf.f. & Purdom sect. Farinosae |
| Primula cordifolia Rupr. sect. Vernales |
| Primula cortusoides L. sect. Cortusoides |
| Primula cottia Widmer sect. Auricula |
| Primula craibiana Balf.f. & W.W.Sm. sect. Capitatae |
| Primula crassa Hand.-Mazz. sect. Petiolares |
| Primula crassifolia Lehm. sect. Nivales |
| Primula crocifolia Pax & K.Hoffm. sect. Nivales |
| Primula cuneifolia Ledeb. sect. Cuneifolia |
| Primula cunninghamii King ex Craib sect. Petiolares |
| Primula cusickiana (A.Gray) A.Gray sect. Parryi |
| Primula cusickii (Greene) P.M.Sl. sect. Dodecatheon |
| Primula daonensis (Leyb.) Leyb. sect. Auricula |
| Primula darialica Rupr. sect. Farinosae |
| Primula davidii Franch. sect. Petiolares |
| Primula deflexa Duthie sect. Muscarioides |
| Primula densa Balf.f. sect. Obconica |
| Primula denticulata Sm. sect. Denticulata |
| Primula denticuloides Y.J.Nasir sect. Denticulata |
| Primula deorum Velen. sect. Auricula |
| Primula deschmannii Ingw. sect. Auricula |
| Primula deuteronana Craib sect. Petiolares |
| Primula diantha Bureau & Franch. sect. Nivales |
| Primula dickieana G.Watt sect. Amethystina |
| Primula discolor Leyb. |
| Primula distola (Reveal) P.M.Sl. |
| Primula divaricata F.H.Chen & C.M.Hu sect. Malacoides |
| Primula domensis Kass & S.L.Welsh sect. Parryi |
| Primula drummondiana Craib sect. Petiolares |
| Primula dryadifolia Franch. sect. Dryadifolia |
| Primula duclouxii Petitm. sect. Malacoides |
| Primula dumicola W.W.Sm. & Forrest sect. Obconica |
| Primula duthieana Balf.f. & W.W.Sm. sect. Nivales |
| Primula eburnea Balf.f. & R.E.Cooper sect. Soldanelloides |
| Primula efarinosa Pax sect. Farinosae |
| Primula effusa W.W.Sm. & Forrest sect. Malacoides |
| Primula egaliksensis Wormsk. sect. Farinosae |
| Primula elatior (L.) Hill sect. Vernales |
| Primula elizabethiae Ludlow ex W.W.Sm. sect. Nivales |
| Primula elliptica Royle sect. Farinosae |
| Primula elongata G.Watt sect. Nivales |
| Primula epilithica F.W.Chen & C.M.Hu sect. Malacoides |
| Primula epilosa Craib sect. Petiolares |
| Primula erosa (Wall. ex Duby) Regel sect. Denticulata |
| Primula erratica W.W.Sm. sect. Farinosae |
| Primula erythrocarpa Craib sect. Denticulata |
| Primula esquirolii Petitm. sect. Petiolares |
| Primula eucyclia W.W.Sm. & Forrest sect. Geranioides |
| Primula eugeniae Fed. sect. Cortusoides |
| Primula euosma Craib sect. Petiolares |
| Primula exigua Velen. sect. Farinosae |
| Primula eximia Greene sect. Nivales |
| Primula faberi Oliv. sect. Amethystina |
| Primula facchini Schott sect. Auricula |
| Primula fagosa Balf.f. & Craib sect. Petiolares |
| Primula falcifolia Kingdon-Ward sect. Nivales |
| Primula fangii F.H.Chen & C.M.Hu sect. Farinosae |
| Primula fangingensis F.H.Chen & C.M.Hu sect. Farinosae |
| Primula farinifolia Rupr. sect. Farinosae |
| Primula farinosa L. sect. Farinosae |
| Primula farreriana Balf.f. sect. Nivales |
| Primula fasciculata Balf.f. & Kingdon-Ward sect. Farinosae |
| Primula fassettii A.R.Mast & Reveal sect. Dodecatheon |
| Primula fauriei Franch. sect. Farinosae |
| Primula fea Kingdon-Ward sect. Soldanelloides |
| Primula fedtschenkoi Regel sect. Farinosae |
| Primula fernaldiana W.W.Sm. sect. Farinosae |
| Primula filchnerae R.Knuth sect. Pinnatae |
| Primula filipes G.Watt sect. Obconica |
| Primula firmipes Balf.f. & Forrest sect. Sikkimensis |
| Primula fistulosa Turkev. sect. Farinosae |
| Primula flabellifera W.W.Sm. sect. Soldanelloides |
| Primula flaccida N.P.Balakr. sect. Soldanelloides |
| Primula flava Maxim. sect. Farinosae |
| Primula flexuosa Turkev. sect. Farinosae |
| Primula floerkeana Schrad. sect. Auricula |
| Primula florindae Kingdon-Ward sect. Sikkimensis |
| Primula forrestii Balf.f. sect. Bullatae |
| Primula fragrans A.R.Mast & Reveal sect. Dodecatheon |
| Primula frenchii (Vasey) A.S.Mast & Reveal sect. Dodecatheon |
| Primula frigida (Cham. & Schltdl.) A.R.Mast & Reveal sect. Dodecatheon |
| Primula frondosa Janka sect. Farinosae |
| Primula gambeliana G.Watt sect. Rotundifolia |
| Primula gemmifera Batalin sect. Farinosae |
| Primula genestieriana Hand.-Mazz. sect. Farinosae |
| Primula geraldinae W.W.Sm. sect. Minutissimae |
| Primula geraniifolia Hook.f. sect. Geranioides |
| Primula geranophylla Kovalevsk. sect. Geranioides |
| Primula giraldiana Pax sect. Muscarioides |
| Primula glabra Klatt sect. Farinosae |
| Primula glandulifera Balf.f. & W.W.Sm. sect. Minutissimae |
| Primula glaucescens Moretti sect. Auricula |
| Primula glomerata Pax sect. Capitatae |
| Primula glutinosa Wulfen sect. Auricula |
| Primula gracilenta Dunn sect. Muscarioides |
| Primula gracilipes Craib sect. Petiolares |
| Primula graminifolia Pax & K.Hoffm. sect. Nivales |
| Primula grandis Trautv. |
| Primula graveolens Hegetschw. sect. Auricula |
| Primula griffithii (G.Watt) Pax sect. Petiolares |
| Primula hakusanensis Franch. sect. Cuneifolia |
| Primula halleri J.F.Gmel. sect. Farinosae |
| Primula handeliana W.W.Sm. & Forrest sect. Nivales |
| Primula hazarica Duthie sect. Farinosae |
| Primula heeri Brügger sect. Auricula |
| Primula helodoxa Balf.f. sect. Candelabra |
| Primula hendersonii (A.Gray) A.R.Mast & Reveal sect. Dodecatheon |
| Primula heterodonta Franch. sect. Cuneifolia |
| Primula heterochroma Stapf sect. Vernales |
| Primula heucherifolia Franch. sect. Geranioides |
| Primula hidakana Miyabe & Kudô sect. Reinii |
| Primula hilaris W.W.Sm. sect. Petiolares |
| Primula himalaica (Losinsk.) P.M.Sl. sect. Cortusoides |
| Primula hirsuta All. sect. Auricula |
| Primula hoffmanniana W.W.Sm. sect. Petiolares |
| Primula hoi W.P.Fang sect. Nivales |
| Primula homogama F.H.Chen & C.M.Hu sect. Souliei |
| Primula hookeri G.Watt sect. Petiolares |
| Primula hopeana Balf.f. & R.E.Cooper sect. Sikkimensis |
| Primula huashanensis F.H.Chen & C.M.Hu sect. Farinosae |
| Primula hylobia W.W.Sm. sect. Petiolares |
| Primula hypoleuca Hand.-Mazz. sect. Malacoides |
| Primula chamaedoron W.W.Sm. sect. Petiolares |
| Primula chamaethauma W.W.Sm. sect. Petiolares |
| Primula chartacea Franch. sect. Petiolares |
| Primula chasmophila Balf.f. ex Hutch. sect. Soldanelloides |
| Primula chienii W.P.Fang sect. Petiolares |
| Primula chionantha Balf.f. & Forrest sect. Nivales |
| Primula chionogenes H.R.Fletcher sect. Petiolares |
| Primula chlorodryas W.W.Sm. sect. Dryadifolia |
| Primula chrysochlora Balf.f. & Kingdon-Ward sect. Candelabra |
| Primula chumbiensis W.W.Sm. sect. Sikkimensis |
| Primula chungensis Balf.f. & Kingdon-Ward sect. Candelabra |
| Primula ianthina Balf.f. & Cave sect. Candelabra |
| Primula iljinskii Fed. sect. Farinosae |
| Primula inayatii Duthie sect. Farinosae |
| Primula incana M.E.Jones sect. Farinosae |
| Primula infecta (Kress) Landolt sect. Auricula |
| Primula inopinata H.R.Fletcher sect. Muscarioides |
| Primula insularis (H.J.Thomps.) P.M.Sl. |
| Primula integrifolia L. sect. Auricula |
| Primula interjacens F.H.Chen sect. Malacoides |
| Primula intricata Gren. & Godr. sect. Vernales |
| Primula ioessa W.W.Sm. sect. Sikkimensis |
| Primula irmingardis (Kress) Landolt sect. Auricula |
| Primula irregularis Craib sect. Petiolares |
| Primula jaffreyana King sect. Farinosae |
| Primula japonica A.Gray sect. Candelabra |
| Primula jeffreyi (Van Houtte) A.R.Mast & Reveal sect. Dodecatheon |
| Primula jenikiana P.M.Sl. sect. Cortusoides |
| Primula jesoana Miq. sect. Geranioides |
| Primula jigmediana W.W.Sm. sect. Soldanelloides |
| Primula jonardunii W.W.Sm. sect. Dryadifolia |
| Primula jucunda W.W.Sm. sect. Petiolares |
| Primula juliae Kusn. sect. Vernales |
| Primula juribella Sünd. sect. Auricula |
| Primula kaufmanniana Regel sect. Cortusoides |
| Primula kialensis Franch. sect. Farinosae |
| Primula kingii G.Watt sect. Amethystina |
| Primula kisoana Miq. sect. Geranioides |
| Primula kitadakensis H.Hara sect. Reinii |
| Primula kitaibeliana Schott sect. Auricula |
| Primula klattii N.P.Balakr. sect. Soldanelloides |
| Primula klaveriana Forrest sect. Petiolares |
| Primula knorringiana Fed. sect. Farinosae |
| Primula knuthiana Pax sect. Farinosae |
| Primula kolbeana Stein sect. Auricula |
| Primula kongboensis Kingdon-Ward sect. Farinosae |
| Primula kovtonyukiae Chepinoga sect. Cortusoides |
| Primula kweichouensis W.W.Sm. sect. Obconica |
| Primula lacerata W.W.Sm. sect. Petiolares |
| Primula laciniata Pax & K.Hoffm. sect. Farinosae |
| Primula lacteocapitata Balf.f. & W.W.Sm. sect. Capitatae |
| Primula lactucoides F.H.Chen & C.M.Hu sect. Nivales |
| Primula latifolia Lapeyr. sect. Auricula |
| Primula latiloba (A.Gray) A.R.Mast & Reveal sect. Dodecatheon |
| Primula latisecta W.W.Sm. sect. Geranioides |
| Primula laurentiana Fernald sect. Farinosae |
| Primula laxiuscula W.W.Sm. sect. Denticulata |
| Primula leptophylla Craib sect. Petiolares |
| Primula leucophylla Pax sect. Vernales |
| Primula levicalyx C.M.Hu & Z.R.Xu sect. Carolinella |
| Primula limbata Balf.f. & Forrest sect. Nivales |
| Primula listeri King ex Hook.f. sect. Obconica |
| Primula lithophila F.H.Chen & C.M.Hu sect. Malacoides |
| Primula littledalei Balf.f. & G.Watt sect. Rotundifolia |
| Primula lofthousei Hesl.-Harr. sect. Vernales |
| Primula loiseleurii Sünd. |
| Primula longipes Freyn & Sint. sect. Nivales |
| Primula longiscapa Ledeb. sect. Farinosae |
| Primula losinskajae Chepinoga sect. Cortusoides |
| Primula ludlowii W.W.Sm. sect. Soldanelloides |
| Primula lungchiensis W.P.Fang sect. Nivales |
| Primula luteola Rupr. sect. Farinosae |
| Primula macrocalyx Bunge sect. Vernales |
| Primula macrocarpa Maxim. sect. Farinosae |
| Primula macrophylla D.Don sect. Nivales |
| Primula magellanica Lehm. sect. Farinosae |
| Primula maguirei L.O.Williams sect. Parryi |
| Primula maikhaensis Balf.f. & Forrest sect. Farinosae |
| Primula mallophylla Balf.f. sect. Candelabra |
| Primula malvacea Franch. sect. Malvacea |
| Primula marginata Curtis sect. Auricula |
| Primula matsumurae Petitm. sect. Farinosae |
| Primula matthioli (L.) V.A.Richt. sect. Cortusoides |
| Primula maximowiczii Regel sect. Nivales |
| Primula meadia (L.) A.R.Mast & Reveal sect. Dodecatheon |
| Primula megalocarpa H.Hara sect. Nivales |
| Primula megaseifolia Boiss. & Balansa sect. Vernales |
| Primula meiotera (W.W.Sm. & H.R.Fletcher) C.M.Hu sect. Farinosae |
| Primula melanantha (Franch.) C.M.Hu sect. Nivales |
| Primula melanodonta W.W.Sm. sect. Candelabra |
| Primula melanops W.W.Sm. & Kingdon-Ward sect. Nivales |
| Primula membranifolia Franch. sect. Farinosae |
| Primula meridiana A.J.Richards |
| Primula merrilliana Schltr. sect. Pinnatae |
| Primula minima L. sect. Auricula |
| Primula minkwitziae W.W.Sm. sect. Geranioides |
| Primula minor Balf.f. & Kingdon-Ward sect. Nivales |
| Primula minutissima Jacquem. ex Duby sect. Minutissimae |
| Primula mishimiensis Kingdon-Ward sect. Nivales |
| Primula mistassinica Michx. sect. Farinosae |
| Primula miyabeana T.Ito & Kawak. sect. Candelabra |
| Primula modesta Bisset & S.Moore sect. Farinosae |
| Primula mollis Nutt. ex Hook. sect. Cortusoides |
| Primula mongolica (Losinsk.) P.M.Sl. sect. Cortusoides |
| Primula monticola (Hand.-Mazz.) F.H.Chen & C.M.Hu sect. Denticulata |
| Primula moorcroftiana Wall. ex Klatt sect. Nivales |
| Primula mooreana Balf.f. & W.W.Sm. sect. Capitatae |
| Primula moschophora Balf.f. & Forrest sect. Minutissimae |
| Primula moupinensis Franch. sect. Petiolares |
| Primula munroi Lindl. sect. Farinosae |
| Primula muretiana Moritzi sect. Auricula |
| Primula muscarioides Hemsl. sect. Muscarioides |
| Primula muscoides Hook.f. ex G.Watt sect. Minutissimae |
| Primula nana Wall. sect. Petiolares |
| Primula neurocalyx Franch. sect. Cortusoides |
| Primula nevadensis N.H.Holmgren sect. Parryi |
| Primula ninguida W.W.Sm. sect. Nivales |
| Primula nipponica Yatabe sect. Cuneifolia |
| Primula nivalis Pall. sect. Nivales |
| Primula normaniana Kingdon-Ward sect. Geranioides |
| Primula nutans Georgi sect. Farinosae |
| Primula nutantiflora Hemsl. sect. Farinosae |
| Primula obconica Hance sect. Obconica |
| Primula obliqua W.W.Sm. sect. Nivales |
| Primula obsessa W.W.Sm. sect. Farinosae |
| Primula obtusifolia Royle sect. Nivales |
| Primula occlusa W.W.Sm. sect. Minutissimae |
| Primula odontica W.W.Sm. sect. Amethystina |
| Primula odontocalyx (Franch.) Pax sect. Petiolares |
| Primula olgae Regel sect. Farinosae |
| Primula optata Farrer ex Balf.f. sect. Nivales |
| Primula orbicularis Hemsl. sect. Nivales |
| Primula oreodoxa Franch. sect. Obconica |
| Primula ovalifolia Franch. sect. Petiolares |
| Primula oxygraphidifolia W.W.Sm. & Kingdon-Ward sect. Farinosae |
| Primula palinuri Petagna sect. Auricula |
| Primula pallasii Lehm. sect. Vernales |
| Primula palmata Hand.-Mazz. sect. Geranioides |
| Primula pamirica Fed. sect. Farinosae |
| Primula parryi A.Gray sect. Parryi |
| Primula partschiana Pax sect. Carolinella |
| Primula parva Balf.f. sect. Obconica |
| Primula pauciflora (Durand) A.R.Mast & Reveal sect. Dodecatheon |
| Primula pauliana W.W.Sm. & Forrest sect. Geranioides |
| Primula pedemontana E.Thomas ex Gaudin sect. Auricula |
| Primula pekinensis (V.A.Richt.) Chepinoga sect. Cortusoides |
| Primula petelotii W.W.Sm. sect. Petiolares |
| Primula petiolaris Wall. sect. Petiolares |
| Primula petrocallis F.H.Chen & C.M.Hu sect. Malacoides |
| Primula philoresia Balf.f. sect. Dryadifolia |
| Primula pinnata Popov & Fed. sect. Farinosae |
| Primula pinnatifida Franch. sect. Muscarioides |
| Primula poetica (L.F.Hend.) R.A.Mast & Reveal sect. Dodecatheon |
| Primula poissonii Franch. sect. Candelabra |
| Primula polonensis Kingdon-Ward sect. Candelabra |
| Primula poluninii H.R.Fletcher sect. Nivales |
| Primula polyneura Franch. sect. Cortusoides |
| Primula praeflorens F.H.Chen & C.M.Hu sect. Petiolares |
| Primula praenitens Ker Gawl. sect. Sinensis |
| Primula praetermissa W.W.Sm. sect. Minutissimae |
| Primula prattii Hemsl. sect. Farinosae |
| Primula prenantha Balf.f. & W.W.Sm. sect. Candelabra |
| Primula prevernalis F.H.Chen & C.M.Hu sect. Petiolares |
| Primula primulina (Spreng.) H.Hara sect. Minutissimae |
| Primula pruhonicensis Zemann ex Bergmans sect. Vernales |
| Primula pseudodenticulata Pax sect. Denticulata |
| Primula pseudoelatior Kusn. sect. Vernales |
| Primula pseudoglabra Hand.-Mazz. sect. Farinosae |
| Primula pubens (Schott & al.) P.M.Sl. sect. Cortusoides |
| Primula pubescens (Wulfen) Loisel. sect. Auricula |
| Primula pudibunda W.W.Sm. sect. Sikkimensis |
| Primula pulchella Franch. sect. Farinosae |
| Primula pulchra G.Watt sect. Petiolares |
| Primula pulverulenta Duthie sect. Candelabra |
| Primula pumilio Maxim. sect. Farinosae |
| Primula purdomii Craib sect. Nivales |
| Primula pycnoloba Bureau & Franch. sect. Pycnoloba |
| Primula qinghaiensis F.H.Chen & C.M.Hu sect. Farinosae |
| Primula ramzanae W.W.Sm. & H.R.Fletcher sect. Rotundifolia |
| Primula recubariensis Prosser & Scorteg. sect. Auricula |
| Primula reflexa Petitm. sect. Nivales |
| Primula reidii Duthie sect. Soldanelloides |
| Primula reinii Franch. & Sav. sect. Reinii |
| Primula renifolia Volgunov sect. Vernales |
| Primula reptans Hook.f. ex G.Watt sect. Minutissimae |
| Primula reticulata Wall. sect. Sikkimensis |
| Primula rhodantha Balf.f. & W.W.Sm. sect. Farinosae |
| Primula rhodochroa W.W.Sm. sect. Minutissimae |
| Primula rhodotricha Nakai & F.Maek. sect. Reinii |
| Primula rimicola W.W.Sm. sect. Minutissimae |
| Primula rockii W.W.Sm. sect. Bullatae |
| Primula rosea Royle sect. Farinosae |
| Primula rotundifolia Wall. sect. Rotundifolia |
| Primula rubicunda H.R.Fletcher sect. Minutissimae |
| Primula rubifolia C.M.Hu sect. Obconica |
| Primula rugosa N.P.Balakr. sect. Carolinella |
| Primula runcinata W.W.Sm. & H.R.Fletcher ex C.M.Hu sect. Malvacea |
| Primula rupestris Balf.f. & Farrer sect. Sinensis |
| Primula rupicola Balf.f. & Forrest sect. Souliei |
| Primula ruprechtii Kusn. sect. Vernales |
| Primula rusbyi Greene sect. Parryi |
| Primula russeola Balf.f. & Forrest sect. Nivales |
| Primula samanimontana (Tatew.) P.M.Sl. sect. Farinosae |
| Primula sandemaniana W.W.Sm. sect. Soldanelloides |
| Primula sapphirina Hook.f. & Thomson ex G.Watt sect. Soldanelloides |
| Primula saturata W.W.Sm. & H.R.Fletcher sect. Malvacea |
| Primula saxatilis Kom. sect. Cortusoides |
| Primula saxifragifolia Lehm. sect. Cuneifolia |
| Primula scandinavica Brunn sect. Farinosae |
| Primula scapigera (Hook.f.) Craib sect. Petiolares |
| Primula scopulorum Balf.f. & Forrest sect. Farinosae |
| Primula scotica Hook. sect. Farinosae |
| Primula secundiflora Franch. sect. Sikkimensis |
| Primula septemloba Franch. sect. Geranioides |
| Primula serrata Georgi sect. Farinosae |
| Primula sertulum Franch. sect. Farinosae |
| Primula sessilis Royle ex Craib sect. Petiolares |
| Primula sharmae H.R.Fletcher sect. Farinosae |
| Primula sherriffiae W.W.Sm. sect. Soldanelloides |
| Primula shoshonensis (A.Nelson) P.M.Sl. sect. Dodecatheon |
| Primula schlagintweitiana Pax sect. Farinosae |
| Primula siamensis Craib sect. Soldanelloides |
| Primula sibthorpii Hoffmanns. sect. Vernales |
| Primula sieboldii É.Morren sect. Cortusoides |
| Primula sikkimensis Hook. sect. Sikkimensis |
| Primula silaensis Petitm. sect. Amethystina |
| Primula sinoexscapa C.M.Hu sect. Petiolares |
| Primula sinolisteri Balf.f. sect. Obconica |
| Primula sinomollis Balf.f. sect. Cortusoides |
| Primula sinoplantaginea Balf.f. sect. Nivales |
| Primula sinuata Franch. sect. Petiolares |
| Primula smithiana Craib sect. Candelabra |
| Primula socialis F.H.Chen & C.M.Hu sect. Farinosae |
| Primula soldanelloides G.Watt sect. Soldanelloides |
| Primula sonchifolia Franch. sect. Petiolares |
| Primula soongii F.H.Chen & C.M.Hu sect. Nivales |
| Primula sorachiana Miyabe & Tatew. sect. Farinosae |
| Primula souliei Franch. sect. Souliei |
| Primula spectabilis Tratt. sect. Auricula |
| Primula specuicola Rydb. sect. Farinosae |
| Primula sphaerocephala Balf.f. sect. Capitatae |
| Primula spicata Franch. sect. Soldanelloides |
| Primula standleyana A.R.Mast & Reveal sect. Dodecatheon |
| Primula steinii Obrist ex Stein sect. Auricula |
| Primula stenocalyx Maxim. sect. Farinosae |
| Primula stenodonta Balf.f. ex W.W.Sm. & H.R.Fletcher sect. Candelabra |
| Primula stirtoniana G.Watt sect. Minutissimae |
| Primula stricta Hornem. sect. Farinosae |
| Primula strumosa Balf.f & R.E.Cooper sect. Petiolares |
| Primula stuartii Wall. sect. Nivales |
| Primula subalpina (Eastw.) A.R.Mast & Reveal sect. Dodecatheon |
| Primula subansirica G.D.Pal sect. Sikkimensis |
| Primula subularia W.W.Sm. sect. Minutissimae |
| Primula suffrutescens A.Gray sect. Cuneifolia |
| Primula superba (Pennell & Stair) P.M.Sl. sect. Dodecatheon |
| Primula szechuanica Pax sect. Nivales |
| Primula takedana Tatew. sect. Reinii |
| Primula taliensis Forrest sect. Petiolares |
| Primula tangutica Duthie sect. Nivales |
| Primula tanneri King sect. Petiolares |
| Primula tardiflora (C.M.Hu) C.M.Hu sect. Petiolares |
| Primula tayloriana H.R.Fletcher sect. Farinosae |
| Primula tenella King ex G.Watt sect. Minutissimae |
| Primula tenuiloba (G.Watt) Pax sect. Minutissimae |
| Primula tenuipes F.H.Chen & C.M.Hu sect. Farinosae |
| Primula tenuituba C.M.Hu & Y.Y.Geng |
| Primula tetrandra (Suksd.) A.R.Mast & Reveal sect. Dodecatheon |
| Primula tibetica G.Watt sect. Farinosae |
| Primula tongolensis Franch. sect. Petiolares |
| Primula tosaensis Yatabe sect. Reinii |
| Primula tridentifera F.H.Chen & C.M.Hu sect. Petiolares |
| Primula triloba Balf.f. & Forrest sect. Dryadifolia |
| Primula tsariensis W.W.Sm. sect. Petiolares |
| Primula tschuktschorum Kjellm. sect. Nivales |
| Primula tsiangii W.W.Sm. sect. Obconica |
| Primula tsongpenii H.R.Fletcher sect. Dryadifolia |
| Primula turkestanica (J.N.Haage & E.Schmidt) E.A.White sect. Nivales |
| Primula turkeviczii V.V.Byalt sect. Cortusoides |
| Primula tyrolensis Schott sect. Auricula |
| Primula tzetsouensis Petitm. sect. Rotundifolia |
| Primula umbratilis Balf.f. & R.E.Cooper sect. Soldanelloides |
| Primula urticifolia Maxim. sect. Farinosae |
| Primula utahensis (N.H.Holmgren) A.R.Mast & Reveal sect. Dodecatheon |
| Primula vaginata G.Watt sect. Geranioides |
| Primula valcuvianensis (S.Jess. & L.Lehm.) Cristof. & Crem sect. Auricula |
| Primula valentiniana Hand.-Mazz. sect. Amethystina |
| Primula veitchiana Petitm. sect. Petiolares |
| Primula venusta Host sect. Auricula |
| Primula veris L. sect. Vernales |
| Primula vialii Delavay ex Franch. sect. Muscarioides |
| Primula villosa Wulfen sect. Auricula |
| Primula violacea W.W.Sm & Kingdon-Ward sect. Muscarioides |
| Primula violaris W.W.Sm.& H.R.Fletcher sect. Cortusoides |
| Primula virginis H.Lév. sect. Amethystina |
| Primula viscida (Piper) P.M.Sl. sect. Dodecatheon |
| Primula vulgaris Huds. sect. Vernales |
| Primula waddellii Balf.f. & W.W.Sm. sect. Minutissimae |
| Primula walshii Craib sect. Minutissimae |
| Primula waltonii G.Watt ex Balf.f. sect. Sikkimensis |
| Primula wangii F.H.Chen & C.M.Hu sect. Carolinella |
| Primula warshenewskiana B.Fedtsch. sect. Farinosae |
| Primula watsoni Dunn sect. Muscarioides |
| Primula wattii King ex G.Watt sect. Soldanelloides |
| Primula wenshanensis F.H.Chen & C.M.Hu |
| Primula werringtonensis Forrest sect. Obconica |
| Primula whitei W.W.Sm. sect. Petiolares |
| Primula wigramiana W.W.Sm. sect. Soldanelloides |
| Primula wilsoni Dunn sect. Candelabra |
| Primula wollastonii Balf.f. sect. Soldanelloides |
| Primula woodwardii Balf.f. sect. Nivales |
| Primula woonyoungiana W.P.Fang sect. Nivales |
| Primula wulfeniana Schott sect. Auricula |
| Primula xanthobasis Al.Fed, sect. Nivales |
| Primula xanthopa Balf.f. & R.E.Cooper sect. Souliei |
| Primula yargonensis Petitm. sect. Farinosae |
| Primula youngeriana W.W.Sm. sect. Nivales |
| Primula yunnanensis Franch. sect. Farinosae |
| Primula yuparensis Takeda sect. Farinosae |
| Primula zambalensis Petitm. sect. Farinosae |
| Primula zionensis (Eastw.) P.M.Sl. sect. Dodecatheon |