| | species | pamirica (O. Fedtsch.) O. Fedtsch. & B. Fedtsch. * | 1 | |
 | species | panicea L. | 1 | • |
| species | paniculata L. | 2 | • |
| species | × pannewitziana Figert. | | |
| species | papulosa auct. | | |
| species | paradoxa Willd. * | | • |
| species | paralia V.I. Krecz. | | |
| species | parallela (Laest.) Sommerf. | 1 | |
| | species | parciflora Boott | | |
| | species | parva Nees | | |
| | species | parviflora Host * | | |
| species | pauciflora Lightf. | | |
| species | paupercula Michx. | 1 | • |
| species | pauxilla V.I. Krecz. | | |
| | species | pauzhetica A.E.Kozhevnikov | | |
| species | pedata V.I. Krecz. (sensu) | | • |
| species | pediformis C.A. Mey. | 6 | |
| species | pedunculifera Kom. | | |
| species | peiktusani Kom. | | |
| species | pendula Huds. | | • |
| species | perfusca V.I. Krecz. | | • |
| species | pergrandis V.I. Krecz. & Lucznik | | • |
| | species | peshemskyi Malyschev | | |
| species | petersii C.A. Mey. ex F. Schmidt * | | |
| | species | petricosa Dewey | | |
| species | philocrena V.I. Krecz. | | • |
| species | phyllocephala T. Koyama * | | |
| species | phyllostachys C.A. Mey. | | |
| | species | physocarpa C.Presl | | |
| species | physodes M. Bieb. | 1 | • |
| | species | × pieperiana P. Junge, nom. inval., nom. nud. | | |
| species | pilosa Scop. | 1 | • |
| | species | × pilosiuscula Gobi. | | |
| species | pilulifera L. | | |
| | species | pirinensis Acht. * | | |
| species | planiculmis Kom. | | |
| species | plantaginea Lam. * | | |
| species | platyrhyncha Franch. & Savat. | | |
| | species | × ploetteriana Beyer. | | |
| | species | pluriflora Hultén | | |
| species | podocarpa R. Br. | 1 | |
| species | polygama Schkuhr * | 3 | |
| species | polyphylla Kar. & Kir. | | |
| | species | pontica Albov | | |
| species | popovii V.I. Krecz. | | |
| | species | posnaniensis Sprib. * | | |
| species | praecox Schreb. | 2 | • |
| species | prevernalis Kitag. | | |
| | species | pribylovensis J.M. Macoun | | |
| species | pribylovensis V.I. Krecz. (sensu) | | |
| | species | prionocarpa Franch. | | |
| species | procerula V.I. Krecz. | | |
| species | prolixa Fries | | • |
| | species | pseudoarenaria Reichenb. | | |
| | species | pseudobrizoides Clavaud | | |
| species | pseudocuraica F. Schmidt | | |
| species | pseudocyperus L. | | • |
| | species | pseudodahurica A.P. Khokhr. | | |
| species | pseudofoetida Kuk. | 1 | |
| | species | × pseudohelvola Kihlm. | | |
| species | pseudolanceolata V.I. Krecz. | | |
| species | pseudololiacea F. Schmidt | | |
| species | pseudosabynensis (T.V. Egorova) A.E. Kozhevn. | | |
| | species | psychroluta V.I. Krecz. | | |
| species | pulchella (Loennr.) Lindm. | | |
| | species | pulchella Berggr., nom. illeg. * | | |
| | species | pulchrifolia A.E.Kozhevnikov | | |
| species | pulicaris L. | | |
| species | pulla Good. * | 1 | |
| species | pumila Thunb. | | |
| species | punctata Gaudin * | 1 | |
| | species | × putjatini Kom. | | |
| | species | pycnostachya Kar. & Kir. | | |
| | species | pyrenaica Wahlenb. * | 1 | |
| species | pyrenaica auct. | 2 | |
| species | pyrophila Gand. | | |
| | species | qimenensis S.W. Su & S.M. Xu * | | |
| species | quadriflora (Kük.) Ohwi | | |
| species | quasivaginata C.B. Clarke * | | |
| species | raddei Kuk. | | |
| | species | ramenskii Kom. | | |
| | species | rankanensis Hayata * | | |
| species | rariflora (Wahlenb.) Sm. | 6 | |
| species | recta Boott | | |
| | species | recticulmis Freyn | | |
| species | redowskiana C.A. Mey. | | |
| | species | regeliana (Kuk.) Litv. | | |
| | species | reichenbachii Bonnet | | |
| | species | relaxa V.I. Krecz. | | |
| species | remota L. | | • |
| species | remotiuscula Wahlenb. | | |
| | species | repens Bellardi * | | |
| | species | reptabunda (Trautv.) V.I. Krecz. | | |
| species | retorta (Fries) V.I. Krecz. | | • |
| species | retrocurva Dewey * | | |
| species | reventa V.I. Krecz. | | |
| species | rhizina Blytt ex Lindblom | 1 | • |
| species | rhizodes Blytt ex Meinsh. | | • |
| | species | rhizopoda Maxim. | | |
| species | rhynchophysa C.A. Mey. | | • |
| species | riabushinskii Kom. | | |
| species | rigescens (Franch.) V.I. Krecz., p.p. quoad nomen | | |
| species | rigescens (Franch.) V.I. Krecz., p.p. excl. typo | | |
| species | rigida Good. | 8 | • |
| species | rigidioides (Gorodkov) V.I. Krecz. | | |
| species | riishirensis Franch. | | |
| species | riparia Curtis | | • |
| species | ripariiformis Litv. | | • |
| species | rivalis Planellas, nom. illeg. * | | |
| | species | rochebrunii Franch. & Savat. | | |
| species | rostrata Stokes | | • |
| species | rotundata Wahlenb. | | • |
| species | rubra Lev. & Vaniot | | • |
| species | ruesanensis Kudo | | • |
| species | rugulosa Kuk. | 1 | |
| species | rupestris All. | 2 | |
| species | ruthenica V.I. Krecz. | | |
| species | sabulosa Turcz. ex Kunth | | |
| | species | sabynensis Less. ex Kunth | | |
| species | sachalinensis F. Schmidt | | |
| species | sadoensis Franch. | | |
| species | sajanensis V.I. Krecz. | | |
| species | salina Wahlenb. | 1 | |
| species | sareptana V.I. Krecz. | | • |
| species | saxatilis L. | 4 | |
| species | scabra Hoppe | | • |
| species | scabricuspis V.I. Krecz. | | |
| species | scabrifolia Steud. | | |
| | species | scabrinervia Franch. | | |
| species | scandinavica E.W. Davies | | |
| species | schkuhrii Willd. | | |
| species | schmidtii Meinsh. | | |
| species | schreberi Schrank, nom. superfl. * | | • |
| | species | × schuetzeana Figert | | |
| | species | scirpoidea Michx. | | |
| | species | scirrobasis Kitag. | | |
| | species | scita auct. | | |
| | species | scita Maxim. | 2 | |
| | species | scoparia Schkuhr ex Willd. * | 3 | |
| species | secale Wahlenb. ex Trevir. * | | |
| species | secalina Willd. ex Wahlenb. | | |
| species | sedakowii C.A. Mey. ex Meinsh. | | |
| | species | seiskoensis Freyn | | |
| | species | selengensis N.A. Ivanova | | |
| | species | semiplena Kuk. | | |
| species | sempervirens Vill. | 3 | |
| species | serotina Mérat | 3 | • |
| species | serrulata Biv. | | • |
| species | setifolia Godr., nom. illeg. * | | |
| | species | setina (H. Christ) V.I. Krecz. | | |
| | species | shimidzensis Franch. | | |
| | species | shiriyajirensis Akiyama | | |
| species | siderosticta Hance | | • |
| species | siegertiana Uechtr. | | • |
| species | sikokiana sensu Worosch. | | |
| | species | × silesiaca Figert. | | |
| | species | similigena V.I. Krecz. | | |
| | species | simpliciuscula Wahlenb. * | | |
| species | sisukensis Akiyama | | |
| species | slobodovii V.I. Krecz. | | |
| species | smirnovii V.I. Krecz. | | |
| | species | soczavaeana Gorodkov | | |
| species | songarica Schrenk * | | |
| species | songorica Kar. & Kir. | 2 | |
| species | sordida Van Heurck & Mull. Arg. | | |
| species | soriofkensis Lev. & Vaniot | | |
| | species | soyaeensis Kuk. | | |
| | species | spaniocarpa Steud. | | |
| species | sparsiflora (Wahlenb.) Steud. * | 2 | • |
| | species | spectabilis auct. | 1 | |
| species | spicata Huds. * | 8 | • |
| species | spongiifolia A.E.Kozhevnikov | | |
| species | × squamigera V.I. Krecz. & Luczn. | | |
| species | stans Drejer | | |
| species | stellulata Good. | | |
| | species | stenantha auct. | | |
| species | stenocarpa Turcz. ex Krecz. | | |
| | species | stenolepis Less. | | |
| species | stenophylla Wahlenb. | 4 | • |
| species | stenophylloides V.I. Krecz. | | |
| species | stilbophaea V.I. Krecz. | | |
| species | stipata Muhl. ex Willd. | | |
| species | stolonifera Hoppe | 1 | • |
| | species | × stricticulmis Holmb. | | |
| | species | strigosa Huds. | | |
| | species | stygia V.I. Krecz. (sensu) | | |
| | species | × stygia Fries | | |
| | species | stylosa C.A. Mey. | | |
| species | subconcolor Kitag. | | • |
| | species | × subcostata Holmb. | | |
| species | subebracteata (Kuk.) Ohwi | | |
| | species | × subpatula Holmb. | | |
| species | subpediformis (Kük.) Sutô et Suzuki | | |
| species | subphysodes Popov ex V.I. Krecz. | | |
| species | subspathacea Wormsk. ex Hornem. | 1 | |
| species | subumbellata Meinsh. | | |
| species | suifunensis Kom. | | |
| | species | sukaczovii V.I. Krecz. | | |
| species | supermascula V.I. Krecz. | | |
| species | supina Willd. ex Wahlenb. | 4 | • |
| species | sutschanensis Kom. | | |
| species | sylvatica Huds. | 2 | • |
| species | sylvatica Maxim., nom. illeg. * | | • |
| | species | × sylvenii Holmb. | | |
| species | szovitsii V.I. Krecz. | | |
| species | taldycola Meinsh. | | |
| | species | tarumensis Franch. | | |
| species | taskanensis A.Khokhr. | | |
| species | tasorum Kom. | | |
| | species | tatjanae Malyschev | | |
| | species | tegulata Lev. & Vaniot | | |
| | species | × tenebricans Holmb. | | |
| species | tenella Schkuhr * | | • |
| | species | × tenelliformis Holmb. | | |
| species | tenuiflora Wahlenb. | | |
| species | tenuiformis Lev. & Vaniot | | |
| | species | tenuiseta Franch. | | |
| species | tenuistachya Nakai * | 2 | |
| | species | testacea Sol. ex Boott * | | |
| | species | thunbergii Steud. | 1 | |
| | species | tianschanica T.V. Egorova | | |
| species | × toezensis Simonk. | | |
| | species | tolmiei auct. | | |
| species | tomentosa L. | | • |
| | species | traiziscana F. Schmidt | | |
| species | transalaica Tzvelev | | |
| species | transcaucasica T.V. Egorova | | • |
| | species | transmarina V.I. Krecz. | | |
| | species | transsilvanica Schur | | |
| | species | trautvetteriana Kom. | | |
| species | trinervis Degl. * | 1 | |
| | species | tripartita All. * | | |
| species | tripartita auct. | | • |
| | species | trispiculata auct. | | |
| species | tristis M. Bieb. | 1 | |
| | species | tsuishikarensis Koidz. & Ohwi | | |
| | species | tumidicarpa Andersson * | | |
| species | tuminensis Kom. | | |
| species | tumulicola Mack. * | | |
| species | turkestanica Regel | 1 | |
| | species | × turuli Simonk. * | | |
| species | uda Maxim. | | |
| species | ulobasis V.I. Krecz. | | |
| species | umbrosa Host | 6 | |
| | species | ungurensis Litv. | | |
| species | uralensis Clarke | | • |
| species | urbis-malorum Popov | | |
| | species | urostachys Franch. | | |
| | species | ursina Dewey | | |
| species | ushishirensis Ohwi | | |
| species | ussuriensis Kom. | | |
| species | utriculata auct. | | • |
| species | uzoni Kom. | | |
| species | vacillans Drej. | | |
| species | vaginata Tausch | 2 | • |
| species | vanheurckii Müll. Arg. | 2 | |
| species | verae Ovcz. & Czuk. | | |
| species | verna Chaix | 1 | |
| species | vesicaria L. | 2 | • |
| species | vesicata Meinsh. | | • |
| | species | × vierhapperi Beck. | | |
| | species | vilmorinii Mottet * | | |
| species | viridula Michx. | 6 | • |
| species | vitilis Fries | | • |
| species | vorobjevii A.E.Kozhevnikov | | |
| species | vulgaris Fries | 1 | • |
| species | vulpina L. | 1 | • |
| species | vulpinaris auct. | | |
| species | vulpinoidea Michaux | | |
| | species | wendelboi Nelmes | | |
| | species | williamsii Britton | | |
| species | wiluica Meinsh. | | • |
| | species | × wolteri Gross. | | |
| species | woroschilovii A.E. Kozhevnikov * | | |
| | species | wrightii Franch. * | | |
| | species | × xanthocarpa Degl. | | |
| species | xiphium Kom. | | |
| | species | × zahnii Kneuck. | | |
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