The Plant List — A working list for all plant species

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You should refer instead to the current version of The Plant List.

Results

No plant names match your search for Trifolium vailantii; we will try Trifolium instead.

1393 plant name records match your search criteria Trifolium. The results are below.

• Genus Trifolium is in the family Leguminosae. Species epithets begin with: A B C D E F G H I J K L M N O P Q R S T U V W X Y

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source
Trifolium melilotus indicus L.	Synonym		ILDIS
Trifolium melilotus officinalis L.	Synonym		ILDIS
Trifolium melilotus ruthenicum M.Bieb.	Synonym		ILDIS
Trifolium melilotus tauricum M.Bieb.	Synonym		ILDIS
Trifolium abbreviatum J.Woods	Unresolved		WCSP (in review)
Trifolium absadamii Post	Unresolved		WCSP (in review)
Trifolium abyssinicum D.Heller	Accepted		ILDIS
Trifolium acaule A.Rich.	Accepted		ILDIS
Trifolium aciculare Torr. & A.Gray	Synonym		ILDIS
Trifolium aciculare Nutt.	Synonym		TRO
Trifolium acutiflorum Murb.	Accepted		ILDIS
Trifolium adscendens Hornem.	Synonym		ILDIS
Trifolium adulterinum Beyer	Unresolved		WCSP (in review)
Trifolium affine C.Presl	Accepted		ILDIS
Trifolium africanum Ser.	Accepted		ILDIS
Trifolium agrarium sensu auct.	Synonym		ILDIS
Trifolium agrarium "L., p.p."	Synonym		ILDIS
Trifolium agrarium L.	Synonym		ILDIS
Trifolium agrestinum Boreau	Synonym		ILDIS
Trifolium aintabense Boiss. & Hausskn.	Accepted		ILDIS
Trifolium aitonii Rydb.	Synonym		ILDIS
Trifolium alatum Biv.	Unresolved		WCSP (in review)
Trifolium albens Loudon	Synonym		ILDIS
Trifolium albiceps Ehrenb. ex Sweet	Unresolved		WCSP (in review)
Trifolium albiflorum Fisch. ex Loudon	Unresolved		WCSP (in review)
Trifolium albopurpureum Torr. & A.Gray	Accepted		ILDIS
Trifolium albopurpureum f. argillorum (Jeps.) Jepson ex McDermott	Synonym		TRO
Trifolium albopurpureum var. dichotomum (Hook. & Arn.) Isely	Synonym		ILDIS
Trifolium albopurpureum var. neolagopus (Lojac.) McDermott	Synonym		ILDIS
Trifolium albopurpureum var. olivaceum (Greene) Isely	Synonym		ILDIS
Trifolium album (Medik.) Loisel.	Unresolved		WCSP (in review)
Trifolium album Crantz	Unresolved		WCSP (in review)
Trifolium album Lam.	Unresolved		WCSP (in review)
Trifolium alexandrinum sensu auct.	Synonym		ILDIS
Trifolium alexandrinum L.	Accepted		ILDIS
Trifolium alexandrinum subsp. berytheum (Boiss. & Blanche) Ponert	Synonym		ILDIS
Trifolium alexandrinum var. phleoides (Boiss.) Boiss.	Synonym		ILDIS
Trifolium alexandrinum var. serotinum Zohary & Lern.	Synonym		TRO
Trifolium alexandrinum subsp. serotinum (Zohary & Lern.) Pinto da Silva	Accepted		TRO
Trifolium alexandrium L. [Spelling variant]	Synonym		ILDIS
Trifolium alopecuroides Kit.	Unresolved		WCSP (in review)
Trifolium alopecuroides Pers.	Unresolved		WCSP (in review)
Trifolium alpestre L.	Accepted		ILDIS
Trifolium alpestre var. alpestre L.	Accepted		ILDIS
Trifolium alpestre subsp. lanigerum (DC.) Stoj. & Stef.	Synonym		ILDIS
Trifolium alpestre var. lanigerum Ser.	Synonym		ILDIS
Trifolium alpicola Hegetschw.	Unresolved		WCSP (in review)
Trifolium alpinum L.	Accepted		ILDIS
Trifolium alsadami POST	Unresolved		TRO
Trifolium altissimum Torr. & A.Gray	Synonym		ILDIS
Trifolium altissimum Hook.	Synonym		ILDIS
Trifolium altissimum Douglas	Synonym		TRO
Trifolium amabile Kunth	Accepted		ILDIS
Trifolium amabile Lojac.	Unresolved		TRO
Trifolium amabile var. amabile Kunth	Accepted		ILDIS
Trifolium amabile var. hemsleyi (Lojac.) D.Heller & Zohary	Accepted		ILDIS
Trifolium amabile var. longifoliolum Hemsl.	Accepted		TRO
Trifolium amabile var. longifolium Hemsl.	Accepted		ILDIS
Trifolium amabile var. mexicanum (Hemsl.) D.Heller & Zohary	Accepted		ILDIS
Trifolium amabile var. pedicellaris Ball	Accepted		ILDIS
Trifolium amabile var. pentlandii Ball	Accepted		TRO
Trifolium amani Post & Beauverd	Unresolved		WCSP (in review)
Trifolium ambiguum M.Bieb.	Accepted		ILDIS
Trifolium amoenum Greene	Synonym		ILDIS
Trifolium amphianthum Torr. & A.Gray	Synonym		ILDIS
Trifolium amphicarpum Phil.	Synonym		ILDIS
Trifolium amplectens Torr. & A.Gray	Synonym		ILDIS
Trifolium amplectens var. diversifolium (Nutt.) Jeps.	Synonym		ILDIS
Trifolium amplectens var. hydrophilum (Greene) Jeps.	Synonym		ILDIS
Trifolium amplectens var. stenophyllum (Nutt.) Jeps.	Synonym		ILDIS
Trifolium amplectens var. truncatum (Greene) Jeps.	Synonym		ILDIS
Trifolium ampulescens Gilib.	Unresolved		WCSP (in review)
Trifolium anatolicum Boiss.	Synonym		ILDIS
Trifolium andersonii A.Gray	Accepted		ILDIS
Trifolium andersonii subsp. beatleyae J.M.Gillett	Accepted		ILDIS
Trifolium andersonii var. beatleyae (J.M.Gillett) Isely	Synonym		ILDIS
Trifolium andersonii subsp. monoense (Greene) J.M.Gillett	Accepted		ILDIS
Trifolium andersonii var. monoense (Greene) Isely	Synonym		ILDIS
Trifolium andersonii f. monoense (Greene) McDermott	Synonym		TRO
Trifolium andinum Torr. & A.Gray	Accepted		ILDIS
Trifolium andinum Nutt.	Unresolved		TRO
Trifolium andinum var. andinum	Synonym		TRO
Trifolium andinum var. podocephalum Barneby	Synonym		ILDIS
Trifolium andrewsii (A.Gray) A.Heller	Synonym		ILDIS
Trifolium andricum Lassen	Unresolved		WCSP (in review)
Trifolium anemophilum Greene	Synonym		ILDIS
Trifolium angulatum Waldst. & Kit.	Accepted		ILDIS
Trifolium angustifolium L.	Accepted		ILDIS
Trifolium angustifolium subsp. gibellianum Pignatti	Synonym		ILDIS
Trifolium angustifolium subsp. intermedium (Gibelli & Belli) Arcang.	Synonym		ILDIS
Trifolium angustifolium var. intermedium Gibelli & Belli	Synonym		ILDIS
Trifolium angustifolium subsp. intermedium (Guss.) Ponert	Accepted		TRO
Trifolium angustifolium var. intermedium (Guss.) Gib. & Belli	Synonym		TRO
Trifolium angustifolium subsp. pamphylicum (Boiss. & Heldr.) Ponert	Accepted		TRO
Trifolium angustifolium subsp. purpureum (Loisel.) Ponert	Synonym		ILDIS
Trifolium ankaratrense Bosser	Accepted		ILDIS
Trifolium ankaratrensis Bosser [Spelling variant]	Synonym		ILDIS
Trifolium anodon Greene	Synonym		ILDIS
Trifolium anomalum Schrank	Unresolved		WCSP (in review)
Trifolium anomalum Bory & Chaub.	Unresolved		WCSP (in review)
Trifolium antucoensis D.Heller	Accepted		ILDIS
Trifolium apertum Bobrov	Accepted		ILDIS
Trifolium apertum subsp. kilaeum (Zohary & Lerner) Ponert	Synonym		ILDIS
Trifolium apertum var. kilaeum Zohary & Lerner	Synonym		ILDIS
Trifolium apertum var. kilaeum Zohary & Lern.	Synonym		TRO
Trifolium appendiculatum Lojac.	Synonym		ILDIS
Trifolium appendiculatum var. rostratum (Greene) Jeps.	Synonym		ILDIS
Trifolium appendiculatum f. rostratum (Greene) McDermott	Synonym		TRO
Trifolium arachnoideum C.Presl	Unresolved		WCSP (in review)
Trifolium arcuatum Piper	Synonym		ILDIS
Trifolium arcuatum var. cusickii Piper	Synonym		ILDIS
Trifolium arcuatum var. harneyense (Howell) Piper	Synonym		ILDIS
Trifolium arenivagum Boreau	Synonym		ILDIS
Trifolium argentinense Speg.	Synonym		ILDIS
Trifolium argutum Sol.	Accepted		ILDIS
Trifolium arizagae Pau	Unresolved		WCSP (in review)
Trifolium arizonicum Greene	Synonym		ILDIS
Trifolium armeniacum Penny ex G.Don	Unresolved		WCSP (in review)
Trifolium armenium Eichw.	Unresolved		WCSP (in review)
Trifolium armenium Willd.	Unresolved		WCSP (in review)
Trifolium arrectisetum Brot.	Unresolved		WCSP (in review)
Trifolium arvense Walter	Synonym		ILDIS
Trifolium arvense L.	Accepted		ILDIS
Trifolium arvense subsp. gracile (Thuill.) Nyman	Synonym		ILDIS
Trifolium arvense var. gracile (Thuill.) DC.	Synonym		ILDIS
Trifolium arvense subsp. gracile (Thuill.) Ponert	Accepted		TRO
Trifolium arvense subsp. gracile (Thuill.) Teles	Synonym		TRO
Trifolium arvernense Lamotte	Synonym		ILDIS
Trifolium arvicolum Jord. ex Nyman	Unresolved		WCSP (in review)
Trifolium asperulum De Not. ex Ces.	Unresolved		WCSP (in review)
Trifolium atlanticum Ball	Synonym		TRO
Trifolium atropurpureum Nutt.	Unresolved		WCSP (in review)
Trifolium atrorubens (Greene) House	Synonym		ILDIS
Trifolium attenuatum Greene	Accepted		ILDIS
Trifolium aucheri Boiss.	Unresolved		WCSP (in review)
Trifolium aurantiacum Boiss. & Spruner	Synonym		ILDIS
Trifolium aureum Pollich	Accepted		ILDIS
Trifolium austinae McDermott	Synonym		ILDIS
Trifolium axillare Phil.	Synonym		ILDIS
Trifolium baccarinii Chiov.	Accepted		ILDIS
Trifolium badium Schreb.	Accepted		ILDIS
Trifolium badium subsp. pseudobadium (Velen.) Kozuharov	Synonym		ILDIS
Trifolium badium subsp. rivulare (Boiss. & Balansa) Townsend	Synonym		TRO
Trifolium badium subsp. rytidosemium Hossain	Synonym		TRO
Trifolium baeticum Boiss.	Synonym		ILDIS
Trifolium baicalense Belyaeva & Sipliv.	Synonym		ILDIS
Trifolium balansae Boiss.	Synonym		ILDIS
Trifolium balbisianum Ser.	Synonym		ILDIS
Trifolium balcanicum Velen.	Unresolved		TRO
Trifolium banaticum (Heuff.) Májovský	Unresolved		WCSP (in review)
Trifolium barbatum DC.	Unresolved		WCSP (in review)
Trifolium barbeyi Gibelli & Belli	Accepted		ILDIS
Trifolium barbigerum Torr.	Accepted		ILDIS
Trifolium barbigerum var. andrewsii A.Gray	Accepted		ILDIS
Trifolium barbigerum var. lilacinum (Greene) Jeps.	Synonym		ILDIS
Trifolium barbulatum (Freyn & Sint.) Zohary	Unresolved		WCSP (in review)
Trifolium barbulatum Freyn & Sint.	Unresolved		WCSP (in review)
Trifolium barnebyi (Isely) Dorn & Lichvar	Accepted		ILDIS
Trifolium basileianum Chiov.	Synonym		ILDIS
Trifolium bastetanum Gand.	Unresolved		WCSP (in review)
Trifolium batmanicum Katzn.	Unresolved		WCSP (in review)
Trifolium beckwithii S.Watson	Accepted		ILDIS
Trifolium bejariense Moric.	Accepted		ILDIS
Trifolium bellianum Chiov.	Unresolved		WCSP (in review)
Trifolium benghalense Gaertn.	Unresolved		WCSP (in review)
Trifolium × bertrandii Rouy	Unresolved		WCSP (in review)
Trifolium berytheum Boiss. & Blanche	Accepted		ILDIS
Trifolium biasolettianum Steud. & Hochst. ex W.D.J.Koch	Unresolved		WCSP (in review)
Trifolium biasolettii Steud. & Hochst.	Synonym		ILDIS
Trifolium bicephalum Elmer	Synonym		ILDIS
Trifolium biceps Schousb. ex Ball	Unresolved		WCSP (in review)
Trifolium bicolor Moench	Unresolved		WCSP (in review)
Trifolium bicorne Forssk.	Unresolved		WCSP (in review)
Trifolium biebersteinii Boiss.	Accepted		ILDIS
Trifolium bifidum A.Gray	Accepted		ILDIS
Trifolium bifidum var. decipiens Greene	Accepted		ILDIS
Trifolium biflorum L.	Synonym		ILDIS
Trifolium bifurcatum Pourr. ex Willk. & Lange	Unresolved		WCSP (in review)
Trifolium bilineatum Fresen.	Accepted		ILDIS
Trifolium billardierei Spreng.	Unresolved		WCSP (in review)
Trifolium bithynicum Boiss.	Accepted		ILDIS
Trifolium bituminosum Garsault	Unresolved		WCSP (in review)
Trifolium bivestitum Gand.	Unresolved		WCSP (in review)
Trifolium bivonae Guss.	Accepted		ILDIS
Trifolium blancheanum Boiss.	Unresolved		WCSP (in review)
Trifolium blesense Dodart ex Gibelli & Belli	Unresolved		TRO
Trifolium bobrovii Khalilov	Accepted		ILDIS
Trifolium bocconei Savi	Accepted		ILDIS
Trifolium bocconei var. tenuifolium (Ten.) Griseb.	Synonym		ILDIS
Trifolium boissieri Guss.	Accepted		ILDIS
Trifolium bolanderi A.Gray	Accepted		ILDIS
Trifolium bolivianum P.B.Kenn.	Synonym		ILDIS
Trifolium bonanni PRESL	Accepted		TRO
Trifolium bonnevillei Mouterde	Unresolved		WCSP (in review)
Trifolium borderi A.Kern. ex Rouy	Unresolved		WCSP (in review)
Trifolium bordsilovskyi Grossh.	Unresolved		WCSP (in review)
Trifolium bordzilowskyi Grossh.	Accepted		ILDIS
Trifolium boryanum Steud.	Unresolved		WCSP (in review)
Trifolium borysthenicum Gruner	Synonym		ILDIS
Trifolium bourgaei Boiss.	Unresolved		WCSP (in review)
Trifolium brachyanthum Rouy	Unresolved		WCSP (in review)
Trifolium brachycalycinum (Katzn. & Morley) Katzn.	Accepted		TRO
Trifolium brachyodon Greene	Synonym		ILDIS
Trifolium brachyodon (Celak.) A.Kern.	Synonym		ILDIS
Trifolium brachypus (S.Watson) Blank.	Synonym		ILDIS
Trifolium brachystylos Knaf	Unresolved		WCSP (in review)
Trifolium bracteatum Schousb.	Synonym		ILDIS
Trifolium bracteolatum Rydb.	Synonym		ILDIS
Trifolium brandegei S.Watson	Accepted		ILDIS
Trifolium brevidens Conrath & Freyn	Unresolved		WCSP (in review)
Trifolium brevipes Phil.	Synonym		ILDIS
Trifolium breweri S.Watson	Accepted		ILDIS
Trifolium brittingeri Opiz	Synonym		ILDIS
Trifolium broteri Link	Unresolved		WCSP (in review)
Trifolium brunellii Chiov. ex Fiori	Unresolved		WCSP (in review)
Trifolium brutium Ten.	Accepted		ILDIS
Trifolium buckwestiorum Isely	Accepted		ILDIS
Trifolium bullatum Boiss. & Hausskn.	Accepted		ILDIS
Trifolium bullatum var. macrosphaerum ZOHARY	Synonym		TRO
Trifolium burchellianum Ser.	Accepted		ILDIS
Trifolium burchellianum subsp. burchellianum Ser.	Accepted		ILDIS
Trifolium burchellianum subsp. johnstonii (Oliv.) J.B.Gillett	Accepted		ILDIS
Trifolium burchellianum var. johnstonii (Oliv.) J.B. Gillett	Synonym		TRO
Trifolium buxbaumii Sternb. & Hoppe	Unresolved		WCSP (in review)
Trifolium caeruleum L.	Synonym		ILDIS
Trifolium caespitosum A.Reyn.	Synonym		ILDIS
Trifolium calabricum Steud.	Unresolved		WCSP (in review)
Trifolium calcaricum J.L.Collins & Wieboldt	Accepted		ILDIS
Trifolium californicum Jeps.	Synonym		ILDIS
Trifolium californicum f. turbinatum (Jeps.) Jepson ex McDermott	Synonym		TRO
Trifolium calocephalum Torr. & A.Gray	Synonym		ILDIS
Trifolium calocephalum Fresen.	Synonym		ILDIS
Trifolium calophyllum Greene	Synonym		ILDIS
Trifolium caloxanthum Griseb.	Unresolved		WCSP (in review)
Trifolium calycinum Steud.	Unresolved		WCSP (in review)
Trifolium campestre Schreb.	Accepted		ILDIS
Trifolium campestre var. lagrangei (Boiss.) Zohary	Synonym		ILDIS
Trifolium candollei Post	Unresolved		WCSP (in review)
Trifolium canescens Willd.	Accepted		ILDIS
Trifolium capense Willd.	Unresolved		WCSP (in review)
Trifolium capillatum Dumort.	Unresolved		WCSP (in review)
Trifolium capilliforme Delile ex Nyman	Unresolved		WCSP (in review)
Trifolium capitellatum Pau	Unresolved		WCSP (in review)
Trifolium capitulatum Pau	Synonym		ILDIS
Trifolium carmeli Boiss.	Synonym		ILDIS
Trifolium carmelii var. serrulatum Hossain	Synonym		TRO
Trifolium carolinianum Michx.	Accepted		ILDIS
Trifolium carolinianum f. bejariense (Moric.) McDermott	Synonym		TRO
Trifolium carpathicum Janka ex Nyman	Unresolved		WCSP (in review)
Trifolium carteiense Coincy	Synonym		ILDIS
Trifolium cassium Boiss.	Synonym		ILDIS
Trifolium catalinae S.Watson	Synonym		ILDIS
Trifolium catanense H.Buek	Unresolved		WCSP (in review)
Trifolium caucasicum Tausch	Accepted		ILDIS
Trifolium caudatum Boiss.	Unresolved		WCSP (in review)
Trifolium caurinum Piper	Synonym		ILDIS
Trifolium celtibericum Pau	Synonym		ILDIS
Trifolium ceretanum Sennen	Unresolved		WCSP (in review)
Trifolium cernuum Brot.	Accepted		ILDIS
Trifolium cernuum subsp. perreymondii (Gren.) P.Fourn.	Synonym		ILDIS
Trifolium × charrierii H.J.Coste	Unresolved		WCSP (in review)
Trifolium cheranganiense J.B.Gillett	Accepted		ILDIS
Trifolium cherleri L.	Accepted		ILDIS
Trifolium chiclense Ball	Synonym		ILDIS
Trifolium chilaloense Thulin	Accepted		ILDIS
Trifolium chilense Hook. & Arn.	Accepted		ILDIS
Trifolium chlorotrichum Boiss. & Balansa	Unresolved		WCSP (in review)
Trifolium chrysanthoides Candargy	Unresolved		WCSP (in review)
Trifolium chrysanthum Hook. & Arn.	Synonym		ILDIS
Trifolium chrysopogon Viv.	Unresolved		WCSP (in review)
Trifolium ciliatum Nutt.	Synonym		ILDIS
Trifolium ciliatum var. discolor Lojac.	Synonym		ILDIS
Trifolium ciliolatum Benth.	Accepted		ILDIS
Trifolium ciliosum Thuill.	Unresolved		WCSP (in review)
Trifolium cinctum DC.	Accepted		ILDIS
Trifolium cinerascens Kit.	Unresolved		WCSP (in review)
Trifolium circumdatum Kunze	Synonym		ILDIS
Trifolium circumscissum Pers.	Unresolved		WCSP (in review)
Trifolium cisvolgense Sprygin ex Iljin & Trukhaleva	Synonym		TRO
Trifolium ciswolgense Sprygin	Synonym		ILDIS
Trifolium ciswolgense Iljin & Trukh.	Synonym		ILDIS
Trifolium clandestinum Lag.	Unresolved		WCSP (in review)
Trifolium clausonis Pomel	Unresolved		WCSP (in review)
Trifolium clusii Godr. & Gren.	Accepted		ILDIS
Trifolium clypeatum L.	Accepted		ILDIS
Trifolium coarctatum Rchb.	Unresolved		WCSP (in review)
Trifolium coccineum Steud.	Unresolved		WCSP (in review)
Trifolium coerulescens M.Bieb.	Synonym		ILDIS
Trifolium cognatum House	Synonym		ILDIS
Trifolium collinum Bastard	Unresolved		WCSP (in review)
Trifolium columbinum Greene	Synonym		ILDIS
Trifolium columbinum var. argillorum Jeps.	Synonym		ILDIS
Trifolium columbinum var. olivaceum (Greene) Jeps.	Synonym		ILDIS
Trifolium commutatum Ledeb.	Synonym		ILDIS
Trifolium comosum Labill.	Unresolved		WCSP (in review)
Trifolium comosum L.	Unresolved		WCSP (in review)
Trifolium compactum Post	Synonym		ILDIS
Trifolium concinnum Phil.	Synonym		ILDIS
Trifolium confrsum Rydb.	Unresolved		WCSP (in review)
Trifolium confusum Rydb.	Synonym		ILDIS
Trifolium congestum Guss.	Accepted		ILDIS
Trifolium constantinopolitanum Ser.	Accepted		ILDIS
Trifolium constantinopolitanum var. carmelii (Boiss.) Thell.	Synonym		TRO
Trifolium controversum Jan ex Ser.	Unresolved		WCSP (in review)
Trifolium cordifolium Walp.	Unresolved		TRO
Trifolium corniculatum L.	Synonym		ILDIS
Trifolium costei Sennen	Unresolved		TRO
Trifolium cousturieri Gand.	Unresolved		WCSP (in review)
Trifolium covillei House	Synonym		ILDIS
Trifolium creticum L.	Synonym		ILDIS
Trifolium crosnierii Clos	Synonym		ILDIS
Trifolium cryptopodium A.Rich.	Accepted		ILDIS
Trifolium cryptoscias Griseb.	Unresolved		WCSP (in review)
Trifolium cupanii Tineo	Unresolved		WCSP (in review)
Trifolium curvisepalum Tackh.	Synonym		ILDIS
Trifolium cusonii Spreng.	Unresolved		WCSP (in review)
Trifolium cuspidatum Lour.	Unresolved		WCSP (in review)
Trifolium cussoni Hort. Berol. ex Sprengel	Unresolved		TRO
Trifolium cyathiferum Lindl.	Accepted		ILDIS
Trifolium cylindricum Wallr.	Unresolved		WCSP (in review)
Trifolium cylindrocephalum Gand.	Unresolved		WCSP (in review)
Trifolium cyrenaicum (Pamp.) Maire & Weiller	Unresolved		WCSP (in review)
Trifolium cytisoides Pall.	Synonym		ILDIS
Trifolium dahuricum Laxm.	Synonym		ILDIS
Trifolium dalmaticum Vis.	Accepted		ILDIS
Trifolium dalmatinum E.H.L.Krause	Unresolved		WCSP (in review)
Trifolium dasyphyllum Torr. & A.Gray	Accepted		ILDIS
Trifolium dasyphyllum subsp. anemophilum (Greene) J.M.Gillett	Accepted		ILDIS
Trifolium dasyphyllum var. anemophilum (Greene) Isely	Synonym		ILDIS
Trifolium dasyphyllum f. attenuatum (Greene) McDermott	Synonym		TRO
Trifolium dasyphyllum subsp. dasyphyllum Torr. & A.Gray	Accepted		ILDIS
Trifolium dasyphyllum var. stenolobum (Rydb.) McDermott	Synonym		ILDIS
Trifolium dasyphyllum subsp. uintense (Rydb.) J.M.Gillett	Accepted		ILDIS
Trifolium dasyphyllum var. uintense (Rydb.) Isely	Synonym		ILDIS
Trifolium dasyphyllum f. uintense (Rydb.) McDermott	Synonym		TRO
Trifolium dasyphyllum var. uintense (Rydb.) S.L. Welsh	Synonym		TRO
Trifolium dasyurum C.Presl	Accepted		ILDIS
Trifolium dauricum Laxm. [Spelling variant]	Synonym		ILDIS
Trifolium daveauanum Thell.	Synonym		ILDIS
Trifolium davisii M.Hossain	Unresolved		WCSP (in review)
Trifolium davuricum Laxm.	Synonym		ILDIS
Trifolium decipiens Hornem.	Unresolved		WCSP (in review)
Trifolium decodon Greene	Synonym		ILDIS
Trifolium decorum Chiov.	Accepted		ILDIS
Trifolium decumbens F.W.Schultz	Unresolved		WCSP (in review)
Trifolium dedeckerae J.M.Gillett	Synonym		ILDIS
Trifolium delilii Gibelli & Belli	Unresolved		WCSP (in review)
Trifolium densiflorum Phil.	Unresolved		WCSP (in review)
Trifolium dentatum Waldst. & Kit.	Synonym		ILDIS
Trifolium denudatum Nutt.	Synonym		ILDIS
Trifolium depauperatum Desv.	Accepted		ILDIS
Trifolium depauperatum var. amplectens (Torr. & A.Gray) S.Watson	Accepted		ILDIS
Trifolium depauperatum var. angustatum (Greene) Jeps.	Synonym		ILDIS
Trifolium depauperatum var. depauperatum Desv.	Accepted		ILDIS
Trifolium depauperatum var. diversifolium (Nutt.) McDermott	Accepted		ILDIS
Trifolium depauperatum f. franciscanum (Greene) McDermott	Synonym		TRO
Trifolium depauperatum var. hydrophilum (Greene) Isely	Synonym		ILDIS
Trifolium depauperatum var. laciniatum (Greene) Jeps.	Synonym		ILDIS
Trifolium depauperatum var. stenophyllum (Nutt.) McDermott	Accepted		ILDIS
Trifolium depauperatum var. truncatum (Greene) Isely	Synonym		ILDIS
Trifolium depauperatum f. truncatum (Greene) McDermott	Synonym		TRO
Trifolium desvauxii Boiss. & Blanche	Synonym		ILDIS
Trifolium dianthum Greene	Synonym		ILDIS
Trifolium dichotomum Hook. & Arn.	Accepted		ILDIS
Trifolium dichotomum f. petrophilum (Greene ex A. Heller) McDermott	Synonym		TRO
Trifolium dichotomum var. turbinatum Jeps.	Synonym		ILDIS
Trifolium dichroanthoides Rech.f.	Unresolved		WCSP (in review)
Trifolium dichroanthum Boiss.	Accepted		ILDIS
Trifolium diffusum Ehrh.	Accepted		ILDIS
Trifolium dimediatum Salisb.	Synonym		ILDIS
Trifolium dipsaceum Thuill.	Synonym		ILDIS
Trifolium divaricatum Hornem.	Unresolved		WCSP (in review)
Trifolium diversifolium Nutt.	Synonym		ILDIS
Trifolium dolopium Gibelli & Belli	Accepted		ILDIS
Trifolium douglasii House	Accepted		ILDIS
Trifolium dubium Sibth.	Accepted		ILDIS
Trifolium duodecimnerve Willk. & Lange	Synonym		ILDIS
Trifolium durandoi Pomel	Unresolved		WCSP (in review)
Trifolium durandoi Pomel ex Batt. & Trab.	Unresolved		WCSP (in review)
Trifolium echinatum M.Bieb.	Accepted		ILDIS
Trifolium echinatum var. carmeli (Boiss.) Gibelli & Belli	Accepted		ILDIS
Trifolium echinatum subsp. carmelii (Boiss.) Ponert	Accepted		TRO
Trifolium echinatum subsp. serrulatum (Hossain) Ponert	Accepted		TRO
Trifolium egrissicum Mikheev & Magulaev	Synonym		ILDIS
Trifolium ehrenbergii Sweet	Unresolved		WCSP (in review)
Trifolium elegans Savi	Synonym		ILDIS
Trifolium elgonense J.B.Gillett	Accepted		ILDIS
Trifolium elizabethae Grossh.	Accepted		ILDIS
Trifolium elmeri Greene	Synonym		ILDIS
Trifolium elongatum Willd.	Unresolved		WCSP (in review)
Trifolium endressii J.Gay ex Gren. & Godr.	Unresolved		WCSP (in review)
Trifolium erectum Walter	Synonym		ILDIS
Trifolium erinaceum M.Bieb.	Synonym		ILDIS
Trifolium eriocephalum Torr. & A.Gray	Accepted		ILDIS
Trifolium eriocephalum Ledeb.	Synonym		ILDIS
Trifolium eriocephalum Nutt.	Unresolved		TRO
Trifolium eriocephalum subsp. arcuatum (Piper) J.M.Gillett	Accepted		ILDIS
Trifolium eriocephalum var. arcuatum (Piper) M.Peck	Synonym		ILDIS
Trifolium eriocephalum f. arcuatum (Piper) McDermott	Synonym		TRO
Trifolium eriocephalum var. butleri Jeps.	Synonym		ILDIS
Trifolium eriocephalum subsp. cusickii (Piper) J.M.Gillett	Accepted		ILDIS
Trifolium eriocephalum var. cusickii (Piper) J.S.Martin	Synonym		ILDIS
Trifolium eriocephalum subsp. eriocephalum Torr. & A.Gray	Accepted		ILDIS
Trifolium eriocephalum var. harneyense (Howell) McDermott	Synonym		ILDIS
Trifolium eriocephalum var. piperi J.S.Martin	Synonym		ILDIS
Trifolium eriocephalum subsp. villiferum (House) J.M.Gillett	Accepted		ILDIS
Trifolium eriocephalum var. villiferum (House) J.S.Martin	Synonym		ILDIS
Trifolium eriocephalum f. villiferum (House) McDermott	Synonym		TRO
Trifolium eriosphaerum Boiss.	Accepted		ILDIS
Trifolium erubescens Fenzl	Accepted		ILDIS
Trifolium erythraeum Schousb. ex Ball	Unresolved		WCSP (in review)
Trifolium erythranthum (Griseb.) Halacsy	Synonym		ILDIS
Trifolium euxinum Zohary	Unresolved		WCSP (in review)
Trifolium exile Greene	Synonym		ILDIS
Trifolium eximium DC.	Accepted		ILDIS
Trifolium eximium Stephan ex Ser.	Unresolved		TRO
Trifolium expansum Waldst. & Kit.	Synonym		ILDIS
Trifolium fabaceum Lindl. ex Steud.	Unresolved		WCSP (in review)
Trifolium farayense Mouterde	Unresolved		WCSP (in review)
Trifolium fendleri Greene	Synonym		ILDIS
Trifolium filicaule Boiss. & Heldr.	Synonym		ILDIS
Trifolium filiforme L.	Synonym		ILDIS
Trifolium filiforme sensu auct.	Synonym		ILDIS
Trifolium filiforme var. dubium (Sibth.) Fiori & Paol.	Synonym		ILDIS
Trifolium filiforme subsp. dubium (Sibth.) Gams	Synonym		ILDIS
Trifolium filiforme var. dubium (Sibth.) Fiori & Paoletti	Synonym		TRO
Trifolium filipes Greene	Synonym		ILDIS
Trifolium fimbriatum Lindl.	Synonym		ILDIS
Trifolium fistulasuns Vaughan	Unresolved		TRO
Trifolium fistulosum A.E.Vaughan	Synonym		ILDIS
Trifolium fistulosum Gilib.	Synonym		ILDIS
Trifolium flavescens Tineo	Unresolved		WCSP (in review)
Trifolium flavicans Link	Unresolved		WCSP (in review)
Trifolium flavulum Greene	Synonym		ILDIS
Trifolium flavum C. Presl	Synonym		TRO
Trifolium fleischeri Steud. & Hochst. ex C.Presl	Unresolved		WCSP (in review)
Trifolium flexicaule Vill.	Unresolved		WCSP (in review)
Trifolium flexuosum Jacq.	Synonym		ILDIS
Trifolium flexuosum subsp. heldreichianum Gibelli & Belli	Synonym		ILDIS
Trifolium fluminense Vell.	Unresolved		WCSP (in review)
Trifolium foliosum Miniaev	Accepted		TRO
Trifolium folliculatum Lam.	Unresolved		WCSP (in review)
Trifolium fontanum Bobrov	Accepted		ILDIS
Trifolium formosum d'Urv.	Synonym		ILDIS
Trifolium fragiferum L.	Accepted		ILDIS
Trifolium fragiferum subsp. bonannii (C.Presl) Sojak	Accepted		ILDIS
Trifolium fragiferum subsp. pulchellum (Lange) Ponert	Accepted		TRO
Trifolium fragiferum var. pulchellum Lange	Synonym		TRO
Trifolium franciscanum Greene	Synonym		ILDIS
Trifolium franciscanum var. truncatum Greene	Synonym		ILDIS
Trifolium friscanum (S.L. Welsh) S.L. Welsh	Accepted		TRO
Trifolium fruticans L.	Synonym		ILDIS
Trifolium fucatum Lindl.	Accepted		ILDIS
Trifolium fucatum var. flavulum (Greene) Jeps.	Synonym		ILDIS
Trifolium fucatum var. gambellii (Nutt.) Jeps.	Synonym		ILDIS
Trifolium fucatum var. virescens (Greene) Jeps.	Synonym		ILDIS
Trifolium fucatum f. virescens (Greene) McDermott	Synonym		TRO
Trifolium furcatum Hook. & Arn.	Synonym		ILDIS
Trifolium fuscum Desv.	Unresolved		WCSP (in review)
Trifolium galilaeum Eig	Unresolved		WCSP (in review)
Trifolium galilaeum Boiss.	Unresolved		WCSP (in review)
Trifolium gambelii Nutt.	Synonym		ILDIS
Trifolium geldreichianum Hausskn.	Unresolved		TRO
Trifolium gemellum Willd.	Accepted		ILDIS
Trifolium gemellum subsp. atlanticum (Ball) Dobignard	Accepted		TRO
Trifolium geminiflorum Greene	Synonym		ILDIS
Trifolium germaniciae Post ex Gibelli & Belli	Unresolved		TRO
Trifolium gibbosum Nègre	Unresolved		WCSP (in review)
Trifolium gillettianum Jacq.-Fel.	Accepted		ILDIS
Trifolium glabellum C.Presl	Unresolved		WCSP (in review)
Trifolium glabrum J.Gay ex Nyman	Unresolved		WCSP (in review)
Trifolium glaciale Reyner ex J.F.Gmel.	Unresolved		WCSP (in review)
Trifolium glaciale Porc.	Unresolved		WCSP (in review)
Trifolium glanduliferum Boiss.	Accepted		ILDIS
Trifolium glanduliferum var. nervulosum (Boiss. & Heldr.) Zohary	Accepted		ILDIS
Trifolium glanduliferum subsp. nervulosum (Boiss. & Heldr.) Ponert	Synonym		ILDIS
Trifolium glareosum (Ser.) Boiss.	Synonym		ILDIS
Trifolium glaucescens Hausskn.	Unresolved		WCSP (in review)
Trifolium glaucum Hausskn. ex Nyman	Unresolved		WCSP (in review)
Trifolium globosum L.	Accepted		ILDIS
Trifolium globosum sensu auct.	Synonym		ILDIS
Trifolium globosum subsp. eriosphaerum (Boiss.) Gibelli & Belli	Synonym		TRO
Trifolium globosum var. eriosphaerum (Boiss.) POST	Accepted		TRO
Trifolium globosum subsp. meduseum (Blanche ex Boiss.) Gibelli & Belli	Synonym		TRO
Trifolium globosum var. meduseum (Blanche ex Boiss.) POST	Accepted		TRO
Trifolium glomeratum L.	Accepted		ILDIS
Trifolium goetzenii Engl.	Synonym		ILDIS
Trifolium goniocarpum Lojac.	Synonym		ILDIS
Trifolium gordeievii (Kom.) E.Small	Unresolved		WCSP (in review)
Trifolium gordejevii (Kom.) Z.Wei	Accepted		ILDIS
Trifolium gordejevii (Kom.) N.S.Pavlova	Synonym		ILDIS
Trifolium gracile Thuill.	Synonym		ILDIS
Trifolium gracilentum Torr. & A.Gray	Accepted		ILDIS
Trifolium gracilentum var. exile (Greene) P.B.Kenn.	Synonym		ILDIS
Trifolium gracilentum var. gracilentum Torr. & A.Gray	Accepted		ILDIS
Trifolium gracilentum var. inconspicuum Fernald	Synonym		ILDIS
Trifolium gracilentum var. palmeri (S.Watson) McDermott	Accepted		ILDIS
Trifolium gracilentum var. reductum Parish	Synonym		ILDIS
Trifolium graecum Griseb.	Unresolved		WCSP (in review)
Trifolium grandiflorum Hook. & Arn.	Synonym		ILDIS
Trifolium grandiflorum Schreb.	Accepted		ILDIS
Trifolium grandiflorum Ledeb.	Synonym		ILDIS
Trifolium grantianum A.Heller	Synonym		ILDIS
Trifolium grayi Lojac.	Synonym		ILDIS
Trifolium greenei House	Synonym		ILDIS
Trifolium grossheimii Khalilov	Synonym		ILDIS
Trifolium guestii Blakelock	Synonym		ILDIS
Trifolium guianensis Aubl.	Synonym		ILDIS
Trifolium gussonei Tineo	Unresolved		WCSP (in review)
Trifolium guyanense Aubl. [Spelling variant]	Synonym		ILDIS
Trifolium gymnocarpon Torr. & A.Gray	Accepted		ILDIS
Trifolium gymnocarpon Sensu J.M.Gillet	Misapplied		ILDIS
Trifolium gymnocarpon Nutt.	Unresolved		TRO
Trifolium gymnocarpon var. lemmonii (S.Watson) McDermott	Synonym		ILDIS
Trifolium gymnocarpon var. plummerae (S.Watson) J.S.Martin	Accepted		ILDIS
Trifolium gymnocarpon subsp. plummerae (S.Watson) J.M.Gillett	Synonym		ILDIS
Trifolium gymnocarpon f. plummerae (S. Watson) McDermott	Synonym		TRO
Trifolium gymnocarpon var. subcaulescens (A.Gray) A.Nelson	Synonym		ILDIS
Trifolium gymnocarpum Nutt.	Unresolved		WCSP (in review)
Trifolium hallii Howell	Synonym		ILDIS
Trifolium hamosum M.Bieb.	Unresolved		WCSP (in review)
Trifolium hansenii Greene	Synonym		ILDIS
Trifolium harneyensis Howell	Synonym		ILDIS
Trifolium haussknechtii Boiss.	Accepted		ILDIS
Trifolium haydenii Porter	Accepted		ILDIS
Trifolium haydenii Sensu Zohary & D.Heller	Misapplied		ILDIS
Trifolium haydenii var. barnebyi Isely	Synonym		ILDIS
Trifolium haynaldianum Pant.	Unresolved		WCSP (in review)
Trifolium haynaldii Meynh.	Unresolved		WCSP (in review)
Trifolium hedysaroides Pall.	Synonym		ILDIS
Trifolium heldreichianum Hausskn.	Accepted		ILDIS
Trifolium helleri P.B.Kenn.	Synonym		ILDIS
Trifolium hemsleyi Lojac.	Synonym		ILDIS
Trifolium hervieri Freyn	Synonym		ILDIS
Trifolium heterodon Torr. & A.Gray	Synonym		ILDIS
Trifolium heterophyllum Tratt.	Unresolved		WCSP (in review)
Trifolium hexanthum A.Heller	Synonym		ILDIS
Trifolium hirsutum E.Mey.	Unresolved		WCSP (in review)
Trifolium hirsutum Thunb.	Unresolved		WCSP (in review)
Trifolium hirtum All.	Accepted		ILDIS
Trifolium hispidissimum Michx. ex Steud.	Unresolved		WCSP (in review)
Trifolium hispidum Desf.	Unresolved		WCSP (in review)
Trifolium hohenackeri Jaub. & Spach	Unresolved		WCSP (in review)
Trifolium howellii S.Watson	Accepted		ILDIS
Trifolium howellii var. latifolium (Hook.) McDermott	Synonym		ILDIS
Trifolium humberti Dumaz-le Grand	Unresolved		TRO
Trifolium humboldtianum A.Braun & Asch.	Synonym		ILDIS
Trifolium humboldtianum Trautv.	Synonym		ILDIS
Trifolium humboldtii Spreng.	Synonym		ILDIS
Trifolium humile Ball	Synonym		ILDIS
Trifolium humillimum Sennen	Unresolved		WCSP (in review)
Trifolium hybridum L.	Accepted		ILDIS
Trifolium hybridum var. anatolicum (Boiss.) Boiss.	Synonym		ILDIS
Trifolium hybridum subsp. anatolicum (Boiss.) Hossain	Accepted		ILDIS
Trifolium hybridum var. elegans (Savi) Boiss.	Synonym		ILDIS
Trifolium hybridum subsp. elegans (Savi) Asch. & Graebn.	Accepted		ILDIS
Trifolium hybridum subsp. fistulosum (Rouy & Foucaud) Asch. & Graebn	Synonym		ILDIS
Trifolium hybridum var. hybridum L.	Synonym		ILDIS
Trifolium hybridum subsp. hybridum L.	Accepted		ILDIS
Trifolium hybridum var. pratense Rabenh.	Synonym		ILDIS
Trifolium hydrophilum Greene	Synonym		ILDIS
Trifolium hygrophilum Boiss.	Unresolved		WCSP (in review)
Trifolium idahoense L.F.Hend.	Synonym		ILDIS
Trifolium inaequale Rydb.	Synonym		ILDIS
Trifolium incanum C.Presl	Synonym		ILDIS
Trifolium incarnatum L.	Accepted		ILDIS
Trifolium incarnatum var. incarnatum L.	Synonym		ILDIS
Trifolium incarnatum subsp. incarnatum L.	Accepted		ILDIS
Trifolium incarnatum var. molineri (Balb. ex Hornem.) DC.	Synonym		ILDIS
Trifolium incarnatum var. molinerii (Hornem.) Ser.	Synonym		ILDIS
Trifolium incarnatum subsp. molinerii (Hornem.) Syme	Accepted		ILDIS
Trifolium inconspicuum (Fernald) A.Heller	Synonym		ILDIS
Trifolium inconspicuum Poepp. ex D. Heller	Synonym		TRO
Trifolium indecorum Clos	Synonym		ILDIS
Trifolium indica L. [Spelling variant]	Synonym		ILDIS
Trifolium indicum L.	Synonym		ILDIS
Trifolium infamia-ponertii Greuter	Accepted		ILDIS
Trifolium insularum P.B.Kenn.	Synonym		ILDIS
Trifolium intermedium Guss.	Synonym		ILDIS
Trifolium intertextum (L.) Wender. ex Steud.	Unresolved		WCSP (in review)
Trifolium intertextum Wender.	Unresolved		WCSP (in review)
Trifolium involucratum Sm.	Synonym		ILDIS
Trifolium involucratum Ortega	Synonym		ILDIS
Trifolium involucratum Kunth	Synonym		TRO
Trifolium involucratum var. arizonicum (Greene) McDermott	Synonym		ILDIS
Trifolium involucratum var. fendleri (Greene) McDermott	Synonym		ILDIS
Trifolium involucratum var. fimbriatum (Lindl.) McDermott	Synonym		ILDIS
Trifolium involucratum var. kennedianum McDermott	Synonym		ILDIS
Trifolium irregulare Pourr.	Unresolved		WCSP (in review)
Trifolium isodon Murb.	Synonym		ILDIS
Trifolium israeliticum D.Zohary & Katzn.	Unresolved		WCSP (in review)
Trifolium issajevii Khalilov	Synonym		ILDIS
Trifolium isthmocarpum Brot.	Accepted		ILDIS
Trifolium isthmocarpum subsp. jaminianum (Boiss.) Murb.	Accepted		ILDIS
Trifolium italicum L.	Synonym		ILDIS
Trifolium jaminianum Boiss.	Synonym		ILDIS
Trifolium × jankae Soó	Unresolved		WCSP (in review)
Trifolium × joachinii Sennen & Mauricio	Unresolved		WCSP (in review)
Trifolium johnstonii Oliv.	Synonym		ILDIS
Trifolium johnstonii sensu Edwards & Bogdan	Misapplied		ILDIS
Trifolium jokerstii Vincent & Rand.Morgan	Unresolved		WCSP (in review)
Trifolium judaicum Eig	Unresolved		WCSP (in review)
Trifolium juliani Batt.	Accepted		ILDIS
Trifolium karatavicum Pavlov	Synonym		ILDIS
Trifolium kennedianum (McDermott) A.Nelson & J.F.Macb	Synonym		ILDIS
Trifolium kennedianum (McDermott) A. Nelson & J.F. Macbr.	Synonym		TRO
Trifolium kilimandscharicum Taub.	Synonym		ILDIS
Trifolium kingii S.Watson	Accepted		ILDIS
Trifolium kingii var. brandegei (S.Watson) McDermott	Synonym		ILDIS
Trifolium kingii subsp. dedeckerae (J.M.Gillett) D.Heller	Accepted		ILDIS
Trifolium kingii subsp. macilentum (Greene) J.M.Gillett	Accepted		ILDIS
Trifolium kingii var. macilentum (Greene) Isely	Synonym		ILDIS
Trifolium kingii subsp. productum (Greene) D.Heller	Accepted		ILDIS
Trifolium kingii var. productum (Greene) Jeps.	Synonym		ILDIS
Trifolium kingii subsp. rollinsii (J.M.Gillett) D.Heller	Accepted		ILDIS
Trifolium kitaibelianum Ser.	Unresolved		WCSP (in review)
Trifolium kochianum Hayne	Unresolved		WCSP (in review)
Trifolium lacerum Greene	Synonym		ILDIS
Trifolium laciniatum Greene	Synonym		ILDIS
Trifolium laciniatum var. angustatum Greene	Synonym		ILDIS
Trifolium laevigatum Desf.	Synonym		ILDIS
Trifolium laevigatum Poir.	Synonym		ILDIS
Trifolium lagascanum Ser.	Unresolved		WCSP (in review)
Trifolium lagopinum St.-Lag.	Unresolved		WCSP (in review)
Trifolium lagopinum Jord.	Unresolved		WCSP (in review)
Trifolium lagopus Willd.	Synonym		ILDIS
Trifolium lagrangei Boiss.	Synonym		ILDIS
Trifolium laguroides Pourr. ex Link	Unresolved		WCSP (in review)
Trifolium lanceolatum (J.B.Gillett) J.B.Gillett	Accepted		ILDIS
Trifolium lappaceum L.	Accepted		ILDIS
Trifolium lappaceum subsp. lappaceum L.	Accepted		ILDIS
Trifolium lasiocephalum Link	Unresolved		WCSP (in review)
Trifolium latifolium (Hook.) Greene	Accepted		ILDIS
Trifolium latinum Sebast.	Accepted		ILDIS
Trifolium laxiusculum Boiss. & Blanche	Unresolved		WCSP (in review)
Trifolium lechleri Phil.	Synonym		ILDIS
Trifolium leibergii A.Nelson & J.F.Macbr.	Accepted		ILDIS
Trifolium leiocalycinum Boiss. & Spruner	Synonym		ILDIS
Trifolium lemmonii S.Watson	Accepted		ILDIS
Trifolium lenkoranicum (Grossh.) Roskov	Synonym		ILDIS
Trifolium leptocephalum Wallr.	Unresolved		WCSP (in review)
Trifolium leucanthum M.Bieb.	Accepted		ILDIS
Trifolium leucophaeum Schousb. ex Ball	Unresolved		WCSP (in review)
Trifolium leucotrichum Petrovic	Unresolved		WCSP (in review)
Trifolium libanoticum Ehrenb. ex Sweet	Unresolved		WCSP (in review)
Trifolium ligusticum Loisel.	Accepted		ILDIS
Trifolium lilacinum Rydb.	Synonym		ILDIS
Trifolium lilacinum Greene	Synonym		ILDIS
Trifolium limonium Phil.	Synonym		TRO
Trifolium lineare Greene	Unresolved		WCSP (in review)
Trifolium lineare var. filifolium (Zohary) Hendrych	Unresolved		TRO
Trifolium litigiosum Desv.	Synonym		TRO
Trifolium litorale Larrañaga	Unresolved		WCSP (in review)
Trifolium littorale Jord. ex Boreau	Unresolved		WCSP (in review)
Trifolium litwinowii Iljin	Synonym		ILDIS
Trifolium lividum Rydb.	Synonym		ILDIS
Trifolium loiseleurii Rouy	Unresolved		WCSP (in review)
Trifolium loisleuri Rouy	Synonym		ILDIS
Trifolium longicaule Wooton & Standl.	Synonym		ILDIS
Trifolium longidentatum Nábelek	Unresolved		WCSP (in review)
Trifolium longifoliolum (Hemsl.) House	Accepted		TRO
Trifolium longifolium House	Unresolved		WCSP (in review)
Trifolium longipedunculatum Steud.	Unresolved		WCSP (in review)
Trifolium longipes Torr. & A.Gray	Accepted		ILDIS
Trifolium longipes Nutt.	Unresolved		TRO
Trifolium longipes subsp. atrorubens (Greene) J.M.Gillett	Accepted		ILDIS
Trifolium longipes var. atrorubens (Greene) Jeps.	Synonym		ILDIS
Trifolium longipes f. atrorubens (Greene) McDermott	Synonym		TRO
Trifolium longipes var. brachypus S.Watson	Synonym		ILDIS
Trifolium longipes subsp. caurinum (Piper) J.M.Gillett	Synonym		ILDIS
Trifolium longipes f. caurinum (Piper) McDermott	Synonym		TRO
Trifolium longipes subsp. elmeri (Greene) J.M.Gillett	Accepted		ILDIS
Trifolium longipes var. elmeri (Greene) McDermott	Synonym		ILDIS
Trifolium longipes subsp. hansenii (Greene) J.M.Gillett	Accepted		ILDIS
Trifolium longipes var. hansenii (Greene) Jeps.	Synonym		ILDIS
Trifolium longipes f. hansenii (Greene) McDermott	Synonym		TRO
Trifolium longipes var. latifolium Hook.	Synonym		ILDIS
Trifolium longipes var. multiovulatum (L.F.Hend.) C.L.Hitchc.	Synonym		ILDIS
Trifolium longipes subsp. multipedunculatum (P.B.Kenn.) J.M.Gillett	Synonym		ILDIS
Trifolium longipes var. multipedunculatum (P.B.Kenn.) Isely	Synonym		ILDIS
Trifolium longipes var. neurophyllum (Greene) Isely	Synonym		ILDIS
Trifolium longipes f. neurophyllum (Greene) McDermott	Synonym		TRO
Trifolium longipes var. nevadense Jeps.	Synonym		ILDIS
Trifolium longipes subsp. oreganum (Howell) J.M.Gillett	Synonym		ILDIS
Trifolium longipes var. oreganum (Howell) Isely	Synonym		ILDIS
Trifolium longipes var. pedunculatum (Rydb.) Isely	Synonym		ILDIS
Trifolium longipes var. pedunculatum (Rydb.) C.L. Hitchc.	Synonym		TRO
Trifolium longipes subsp. pendunculatum (Rydb.) J.M.Gillett	Accepted		ILDIS
Trifolium longipes var. pygmaeum A.Gray	Synonym		ILDIS
Trifolium longipes subsp. pygmaeum (A.Gray) J.M.Gillett	Synonym		ILDIS
Trifolium longipes var. reflexum A.Nelson	Synonym		ILDIS
Trifolium longipes subsp. reflexum (A.Nelson) J.M.Gillett	Synonym		ILDIS
Trifolium longipes var. rusbyi (Greene) H.D.Harr.	Synonym		ILDIS
Trifolium longipes var. shastense (House) Jeps.	Synonym		ILDIS
Trifolium longipes subsp. shastense (House) J.M.Gillett	Synonym		ILDIS
Trifolium longisetum Boiss. & Balansa	Synonym		ILDIS
Trifolium longistipulatum Ebel	Unresolved		WCSP (in review)
Trifolium longistipulatum Loisel.	Unresolved		WCSP (in review)
Trifolium lozani House	Synonym		ILDIS
Trifolium lucanicum Guss.	Accepted		ILDIS
Trifolium lucanicum Gasp.	Synonym		TRO
Trifolium lucidum Schousb. ex Ball	Unresolved		WCSP (in review)
Trifolium ludovicianum Raf.	Unresolved		WCSP (in review)
Trifolium lugardii Bullock	Accepted		ILDIS
Trifolium lupinaster L.	Accepted		ILDIS
Trifolium lupinaster var. albiflorum Ser.	Synonym		ILDIS
Trifolium lupinaster f. albiflorum (Ser.) P.Y. Fu & Y.A. Chen	Synonym		TRO
Trifolium lupinaster subsp. angustifolium (Litv.) Bobrov	Accepted		ILDIS
Trifolium lupinaster subsp. lupinaster L.	Accepted		ILDIS
Trifolium lupinaster var. lupinaster L.	Synonym		ILDIS
Trifolium lupinaster var. oblongifolia Ser.	Synonym		ILDIS
Trifolium lupinaster var. obtusifolium Belli	Synonym		ILDIS
Trifolium lupinaster var. pumilum Popov	Synonym		ILDIS
Trifolium lupinaster var. purpurascens Ledeb.	Synonym		ILDIS
Trifolium lupinastrum St.-Lag.	Synonym		ILDIS
Trifolium lupulinum Gueldenst. ex Ledeb.	Unresolved		WCSP (in review)
Trifolium lupulinum Bubani	Unresolved		WCSP (in review)
Trifolium lupulinum (L.) Savi	Unresolved		WCSP (in review)
Trifolium luteolum Schur	Synonym		TRO
Trifolium luteum Lam.	Unresolved		WCSP (in review)
Trifolium luxurians Steud.	Unresolved		WCSP (in review)
Trifolium macilentum Greene	Synonym		ILDIS
Trifolium macilentum var. dedeckerae (J.M.Gillett) Barneby	Synonym		ILDIS
Trifolium macilentum var. rollinsii (J.M.Gillett) Barneby	Synonym		ILDIS
Trifolium macraei Hook. & Arn.	Accepted		ILDIS
Trifolium macraei var. albopurpureum (Torr. & A.Gray) Greene	Synonym		ILDIS
Trifolium macraei f. catalinae (S. Watson) McDermott	Synonym		TRO
Trifolium macraei var. dichotomum (Hook. & Arn.) S.Watson	Synonym		ILDIS
Trifolium macrocalyx Hook.	Synonym		ILDIS
Trifolium macrocephalum (Pursh) Poir.	Accepted		ILDIS
Trifolium macrocephalum var. caeruleomontanum St.John	Synonym		ILDIS
Trifolium macropodum Guss.	Synonym		ILDIS
Trifolium macrorrhisum Waldst. & Kit.	Unresolved		TRO
Trifolium macrorrhizum Ulbr.	Synonym		ILDIS
Trifolium macrorrhizum Boiss.	Synonym		TRO
Trifolium maculatum Host	Unresolved		WCSP (in review)
Trifolium magellanicum Poir.	Synonym		TRO
Trifolium magnum Gueldenst.	Unresolved		WCSP (in review)
Trifolium majus Greene	Synonym		ILDIS
Trifolium malacanthum Link	Unresolved		WCSP (in review)
Trifolium marginatum (Baker) Cufod.	Synonym		ILDIS
Trifolium maritimum Huds.	Synonym		ILDIS
Trifolium maritimum subsp. cinctum (DC.) Gibelli & Belli	Synonym		ILDIS
Trifolium marschalii Rouy	Synonym		ILDIS
Trifolium marsicum Ten.	Unresolved		WCSP (in review)
Trifolium masaiense J.B.Gillett	Accepted		ILDIS
Trifolium matthewsii A.Gray	Synonym		ILDIS
Trifolium mattirolianum Chiov.	Accepted		ILDIS
Trifolium mauginianum Fiori	Synonym		ILDIS
Trifolium mauritanicum Ball	Synonym		ILDIS
Trifolium mazanderanicum Rech.f.	Accepted		ILDIS
Trifolium mediterraneum Vell.	Unresolved		WCSP (in review)
Trifolium medium L.	Accepted		ILDIS
Trifolium medium var. banaticum Heuff.	Synonym		ILDIS
Trifolium medium subsp. banaticum (Heuff.) Hendrych	Accepted		ILDIS
Trifolium medium var. bithynicum (Boiss.) N.Busch	Synonym		ILDIS
Trifolium medium subsp. eriocalycinum (Hausskn.) Ponert	Accepted		TRO
Trifolium medium var. eriocalycinum Hausskn.	Synonym		TRO
Trifolium medium subsp. sarosiense (Hazsl.) Simonk.	Accepted		ILDIS
Trifolium medium var. troitzkyi Grossh.	Synonym		ILDIS
Trifolium meduanense L.Mercier & H.Lév.	Unresolved		WCSP (in review)
Trifolium meduseum Blanche ex Boiss.	Synonym		TRO
Trifolium megacephalum Nutt.	Synonym		ILDIS
Trifolium megalanthum Steud.	Synonym		ILDIS
Trifolium meironense Zohary & Lerner	Unresolved		WCSP (in review)
Trifolium melananthum Hook. & Arn.	Synonym		ILDIS
Trifolium melilotus L.	Synonym		TRO
Trifolium melilotus var. caeruleum L.	Synonym		TRO
Trifolium melilotus var. cretica L.	Synonym		TRO
Trifolium melilotus var. indicum L.	Synonym		TRO
Trifolium melilotus var. italica L.	Synonym		TRO
Trifolium melilotus var. officinalis L.	Synonym		TRO
Trifolium melilotus var. ornithopodioides L.	Synonym		TRO
Trifolium melilotus-altissimus C.C.Gmel.	Unresolved		WCSP (in review)
Trifolium melilotus-dentatus Schreb.	Unresolved		WCSP (in review)
Trifolium melilotus-hamosus M.Bieb.	Unresolved		WCSP (in review)
Trifolium melilotus-indica L.	Synonym		ILDIS
Trifolium melilotus-italica Brot.	Unresolved		WCSP (in review)
Trifolium melilotus-mauritanica Schousb.	Unresolved		WCSP (in review)
Trifolium melilotus-officinalis L.	Synonym		ILDIS
Trifolium melilotus-officinarum Crantz	Unresolved		WCSP (in review)
Trifolium melilotus-ornithopodi (L.) Asch. & Graebn.	Synonym		ILDIS
Trifolium melilotus-ornithopodi subsp. uniflorum (Munby) Maire	Synonym		ILDIS
Trifolium melilotus-parviflorus M.Bieb.	Unresolved		WCSP (in review)
Trifolium melilotus-segetalis Brot.	Unresolved		TRO
Trifolium meneghinianum Clementi	Synonym		ILDIS
Trifolium mercedense P.B.Kenn.	Synonym		ILDIS
Trifolium mesogitanum Boiss.	Synonym		ILDIS
Trifolium messanense L.	Synonym		ILDIS
Trifolium mexicanum Hemsl.	Synonym		ILDIS
Trifolium michelianum Savi	Accepted		ILDIS
Trifolium michelianum var. balansae (Boiss.) Azn.	Accepted		ILDIS
Trifolium michelianum var. michelianum Savi	Accepted		ILDIS
Trifolium micranthum Viv.	Accepted		ILDIS
Trifolium microcephalum Pursh	Accepted		ILDIS
Trifolium microcephalum var. lemmonii Lojac.	Synonym		ILDIS
Trifolium microcephalum f. velutinum McDermott	Synonym		TRO
Trifolium microdon Hook. & Arn.	Accepted		ILDIS
Trifolium microdon var. pilosum Eastw.	Synonym		ILDIS
Trifolium micropetalum E.Mey.	Unresolved		WCSP (in review)
Trifolium microphyllum Desv.	Unresolved		WCSP (in review)
Trifolium miegeanum Maire	Accepted		ILDIS
Trifolium minae Lojac. ex Ces., Pass. & Gibelli	Unresolved		WCSP (in review)
Trifolium minimum W.P.C.Barton	Unresolved		WCSP (in review)
Trifolium minus Sm.	Synonym		ILDIS
Trifolium minutiflorum Greene	Synonym		ILDIS
Trifolium minutissimum D.Heller & Zohary	Accepted		ILDIS
Trifolium minutum Coss.	Unresolved		WCSP (in review)
Trifolium mirabile D.Heller & Zohary	Synonym		ILDIS
Trifolium mirabile Hook. ex D. Heller & Zoh.	Synonym		TRO
Trifolium modestum Boiss.	Unresolved		WCSP (in review)
Trifolium molinerii Hornem.	Synonym		ILDIS
Trifolium molybdocalyx Rchb.f.	Unresolved		WCSP (in review)
Trifolium monanthum A.Gray	Accepted		ILDIS
Trifolium monanthum var. eastwoodianum J.S.Martin	Accepted		ILDIS
Trifolium monanthum f. glabrifolium McDermott	Synonym		TRO
Trifolium monanthum var. grantianum (A.Heller) Parish	Accepted		ILDIS
Trifolium monanthum subsp. grantianum (A.Heller) J.M.Gillett	Synonym		ILDIS
Trifolium monanthum f. grantianum (A. Heller) McDermott	Synonym		TRO
Trifolium monanthum var. monanthum A.Gray	Accepted		ILDIS
Trifolium monanthum var. parvum (Kellogg) McDermott	Accepted		ILDIS
Trifolium monanthum subsp. parvum (Kellogg) J.M.Gillett	Synonym		ILDIS
Trifolium monanthum f. spatiosum McDermott	Synonym		TRO
Trifolium monanthum var. tenerum Sensu Parish	Misapplied		ILDIS
Trifolium monanthum subsp. tenerum (Eastw.) J.M.Gillett	Synonym		ILDIS
Trifolium monanthum var. tenerum (Eastw.) Parish	Synonym		TRO
Trifolium monoense Greene	Synonym		ILDIS
Trifolium montanense Rydb.	Synonym		ILDIS
Trifolium montanum L.	Accepted		ILDIS
Trifolium montanum subsp. gayanum (Gordon) O.Bolos & Vigo	Accepted		ILDIS
Trifolium montanum var. gayanum Gordon	Synonym		ILDIS
Trifolium montanum subsp. humboldtianum (A.Braun & Asch.) Hossain	Accepted		ILDIS
Trifolium montanum subsp. montanum L.	Accepted		ILDIS
Trifolium montanum subsp. rupestre (Ten.) Pignatti	Accepted		ILDIS
Trifolium moriferum Boiss.	Synonym		ILDIS
Trifolium morleyanum Greene	Synonym		ILDIS
Trifolium mucronatum Spreng.	Accepted		ILDIS
Trifolium mucronatum subsp. lacerum (Greene) J.M.Gillett	Accepted		ILDIS
Trifolium mucronatum subsp. mucronatum Spreng.	Accepted		ILDIS
Trifolium mucronatum subsp. vaughanae J.M.Gillett	Accepted		ILDIS
Trifolium multicaule M.E.Jones	Synonym		ILDIS
Trifolium multiflorum Greene	Unresolved		WCSP (in review)
Trifolium multinerve A.Rich.	Accepted		ILDIS
Trifolium multipedunculatum P.B.Kenn.	Synonym		ILDIS
Trifolium multistriatum Koch	Synonym		ILDIS
Trifolium munbyi Sirj.	Unresolved		WCSP (in review)
Trifolium mutabile Port.	Accepted		ILDIS
Trifolium mutelii Gren.	Unresolved		WCSP (in review)
Trifolium nanum Torr.	Accepted		ILDIS
Trifolium neglectum C.A.Mey.	Synonym		ILDIS
Trifolium nelsoni House	Synonym		ILDIS
Trifolium nemorale Greene	Synonym		ILDIS
Trifolium nemorosum Gaterau	Unresolved		WCSP (in review)
Trifolium neolagopus Lojac.	Synonym		ILDIS
Trifolium nervosum C.Presl	Unresolved		WCSP (in review)
Trifolium nervulosum Boiss. & Heldr.	Synonym		ILDIS
Trifolium neurophyllum Greene	Synonym		ILDIS
Trifolium nevadense Boiss.	Synonym		ILDIS
Trifolium neyrautii Rouy	Unresolved		WCSP (in review)
Trifolium nidificum Griseb.	Synonym		ILDIS
Trifolium niethammeri Rothm.	Unresolved		WCSP (in review)
Trifolium nigrescens Viv.	Accepted		ILDIS
Trifolium nigrescens subsp. petrisavii (Clementi) Holmboe	Accepted		ILDIS
Trifolium nigrocinctum Boiss. & Orph.	Unresolved		WCSP (in review)
Trifolium nigrolineatum Wahlenb.	Unresolved		WCSP (in review)
Trifolium nigropunctatum G.Don	Unresolved		WCSP (in review)
Trifolium nivale Arv.-Touv.	Synonym		ILDIS
Trifolium noricum Wulfen	Accepted		ILDIS
Trifolium noricum var. ottonis (Boiss.) Zohary	Accepted		ILDIS
Trifolium noricum subsp. praetutianum (Guss.) Pign.	Accepted		TRO
Trifolium nothum Steven	Unresolved		WCSP (in review)
Trifolium nummulariifolium Perret ex Colla	Unresolved		TRO
Trifolium nuttallii Steud.	Synonym		ILDIS
Trifolium obcordatum Desv.	Synonym		ILDIS
Trifolium obcordatum var. beta Hook. & Arn.	Synonym		TRO
Trifolium oblongifolium Ser.	Unresolved		WCSP (in review)
Trifolium obscurum Savi	Accepted		ILDIS
Trifolium obscurum subsp. aequidentatum (Pérez Lara) C.Vicioso	Unresolved		WCSP (in review)
Trifolium obtusiflorum Hook.f.	Accepted		ILDIS
Trifolium obtusiflorum Hook.	Unresolved		TRO
Trifolium obvallatum Moench	Unresolved		WCSP (in review)
Trifolium occidentale Coombe	Synonym		ILDIS
Trifolium ochreatum Steud.	Synonym		ILDIS
Trifolium ochroleucon Huds.	Accepted		ILDIS
Trifolium ochroleucon subsp. caucasicum (Tausch) Kozuharov	Synonym		ILDIS
Trifolium ochroleucon subsp. roseum (C.Presl) Guss.	Synonym		ILDIS
Trifolium ochroleucum Huds. [Spelling variant]	Synonym		ILDIS
Trifolium ochroleucum-magnum Gueldenst. ex Ledeb.	Unresolved		WCSP (in review)
Trifolium odoratum Schrank	Unresolved		WCSP (in review)
Trifolium officinale L.	Synonym		ILDIS
Trifolium officinarum Garsault	Unresolved		WCSP (in review)
Trifolium oliganthum Steud.	Accepted		ILDIS
Trifolium oliganthum var. sonomense Greene	Synonym		ILDIS
Trifolium oliganthum var. trichocalyx (A.Heller) McDermott	Synonym		ILDIS
Trifolium oliganthum var. triflorum (Greene) Greene	Synonym		ILDIS
Trifolium olivaceum Greene	Synonym		ILDIS
Trifolium olivaceum var. columbinum (Greene) Jeps.	Synonym		ILDIS
Trifolium olivaceum f. columbinum (Greene) McDermott	Synonym		TRO
Trifolium olivaceum var. griseum Jeps.	Synonym		ILDIS
Trifolium oliverianum Ser.	Synonym		ILDIS
Trifolium olympicum Hornem. ex Hook.	Unresolved		WCSP (in review)
Trifolium orbelicum Velen.	Synonym		ILDIS
Trifolium orbiculatum P.B.Kenn. & McDermott	Synonym		ILDIS
Trifolium oreganum Howell	Synonym		ILDIS
Trifolium oreganum f. brachypus (S. Watson) McDermott	Synonym		TRO
Trifolium oreganum var. multiovulatum L.F.Hend.	Synonym		ILDIS
Trifolium oreganum f. rusbyi (Greene) McDermott	Synonym		TRO
Trifolium oreganum var. rydbergii (Greene) McDermott	Synonym		ILDIS
Trifolium ornatum E.D.Clarke	Unresolved		WCSP (in review)
Trifolium ornithopodioides (L.) Sm.	Accepted		ILDIS
Trifolium orphanideum Boiss.	Synonym		ILDIS
Trifolium ortegae Greene	Synonym		ILDIS
Trifolium ortegae f. pumilum A.E. Vaughan	Synonym		TRO
Trifolium ottonis Boiss.	Synonym		ILDIS
Trifolium ovatifolium Bory & Chaub.	Unresolved		WCSP (in review)
Trifolium owyheense Gilkey	Accepted		ILDIS
Trifolium oxaloides Bunge ex Nyman	Unresolved		WCSP (in review)
Trifolium oxyodon Rydb.	Synonym		ILDIS
Trifolium oxypetalum Fisch. & C.A.Mey.	Synonym		ILDIS
Trifolium oxypetasum Heldr. & Sart. ex Nyman	Unresolved		WCSP (in review)
Trifolium paccarinii Chiov.	Unresolved		TRO
Trifolium pachycalyx Zohary	Unresolved		WCSP (in review)
Trifolium pachypodum O.Schwarz	Unresolved		WCSP (in review)
Trifolium pacificum Bobrov	Synonym		ILDIS
Trifolium palaestinum Boiss.	Accepted		ILDIS
Trifolium palavicum Hochst.	Unresolved		WCSP (in review)
Trifolium pallescens Schreb.	Accepted		ILDIS
Trifolium pallidulum Jord.	Synonym		ILDIS
Trifolium pallidum Waldst. & Kit.	Accepted		ILDIS
Trifolium palmeri S.Watson	Synonym		ILDIS
Trifolium pamphylicum Boiss. & Heldr.	Synonym		TRO
Trifolium pannonicum Jacq.	Accepted		ILDIS
Trifolium panormitanum C.Presl	Synonym		ILDIS
Trifolium panormitanum var. aequidentatum Pérez Lara	Unresolved		WCSP (in review)
Trifolium pantocsekii Gand.	Unresolved		WCSP (in review)
Trifolium paradoxum Steud.	Unresolved		WCSP (in review)
Trifolium parantzemae Azn.	Synonym		TRO
Trifolium parisiense DC.	Unresolved		WCSP (in review)
Trifolium parnassii Boiss. & Spruner	Accepted		ILDIS
Trifolium parryi A.Gray	Accepted		ILDIS
Trifolium parryi subsp. montanense (Rydb.) J.M.Gillett	Accepted		ILDIS
Trifolium parryi var. montanense (Rydb.) Isely	Synonym		ILDIS
Trifolium parryi var. montanense (Rydb.) S.L. Welsh	Synonym		TRO
Trifolium parryi subsp. salictorum (Rydb.) J.M.Gillett	Accepted		ILDIS
Trifolium parviflorum sensu auct.	Misapplied		ILDIS
Trifolium parviflorum Ehrh.	Synonym		ILDIS
Trifolium parvifolium Bunge ex Nyman	Unresolved		WCSP (in review)
Trifolium parvulum G. Beck ex Stapf	Synonym		TRO
Trifolium parvum (Kellogg) A.Heller	Synonym		ILDIS
Trifolium patens Schreb.	Accepted		ILDIS
Trifolium patulum Tausch	Accepted		ILDIS
Trifolium pauciflorum Torr. & A.Gray	Synonym		ILDIS
Trifolium pauciflorum Steud.	Synonym		ILDIS
Trifolium pauciflorum Lojac.	Synonym		ILDIS
Trifolium pauciflorum d'Urv.	Accepted		ILDIS
Trifolium pauciflorum Nutt.	Synonym		TRO
Trifolium pauciflorum var. parvum Kellogg	Synonym		ILDIS
Trifolium pectinatum Willd. ex Steud.	Unresolved		WCSP (in review)
Trifolium pedunculatum Rydb.	Synonym		ILDIS
Trifolium pennyanum Steud.	Unresolved		WCSP (in review)
Trifolium pensylvanicum Willd.	Unresolved		WCSP (in review)
Trifolium perpusillum Simonk.	Unresolved		WCSP (in review)
Trifolium perretii Colla	Unresolved		WCSP (in review)
Trifolium perreymondii Gren.	Synonym		ILDIS
Trifolium peruvianum Vogel	Synonym		ILDIS
Trifolium peruvianum var. chiclense (BALL) J.F. Macbr.	Synonym		TRO
Trifolium petitianum A.Rich.	Synonym		ILDIS
Trifolium petitpierreanum Hayne	Unresolved		WCSP (in review)
Trifolium petraeum Greene	Synonym		ILDIS
Trifolium petrisavii Clementi	Synonym		ILDIS
Trifolium petrophilum C.F.Baker	Synonym		ILDIS
Trifolium petrophilum A.Heller	Synonym		ILDIS
Trifolium phaeocephalum Greene	Synonym		ILDIS
Trifolium philistaeum Zohary	Unresolved		WCSP (in review)
Trifolium philistaeum var. filifolium Zohary	Synonym		TRO
Trifolium philisticum Zoh.	Unresolved		TRO
Trifolium phitosianum N.Böhling, Greuter & Raus	Unresolved		WCSP (in review)
Trifolium phlebocalyx Fenzl ex Tchich.	Unresolved		WCSP (in review)
Trifolium phleoides Willd.	Accepted		ILDIS
Trifolium phleoides subsp. audigieri Foucaud	Synonym		ILDIS
Trifolium phleoides subsp. gemellum (Willd.) Gibelli & Belli	Synonym		ILDIS
Trifolium physanthum Hook. & Arn.	Accepted		ILDIS
Trifolium physodes M.Bieb.	Accepted		ILDIS
Trifolium physodes var. physodes M.Bieb.	Accepted		ILDIS
Trifolium physodes var. psilocalyx Boiss.	Accepted		ILDIS
Trifolium physodes var. sericocalyx Gibelli & Belli	Synonym		ILDIS
Trifolium physopetalum Fisch. & C.A.Mey.	Synonym		ILDIS
Trifolium pichisermollii J.B.Gillett	Accepted		ILDIS
Trifolium pictum M.Bieb.	Synonym		ILDIS
Trifolium pignantii Fauche & Chaub.	Accepted		ILDIS
Trifolium pignati Steud.	Unresolved		TRO
Trifolium pilczii Adamovic	Accepted		ILDIS
Trifolium piliferum Straub. ex Nyman	Unresolved		WCSP (in review)
Trifolium piligerum (Rohlena) A.W.Hill	Unresolved		WCSP (in review)
Trifolium pilulare Boiss.	Accepted		ILDIS
Trifolium pinetorum Greene	Accepted		ILDIS
Trifolium platycephalum Bisch.	Synonym		ILDIS
Trifolium plebeium Boiss.	Accepted		ILDIS
Trifolium plicatum C.Presl ex Sweet	Unresolved		WCSP (in review)
Trifolium plummerae S.Watson	Synonym		ILDIS
Trifolium plumosum Hook.	Accepted		ILDIS
Trifolium plumosum subsp. amplifolium (J.S.Martin) J.M.Gillett	Accepted		ILDIS
Trifolium plumosum var. amplifolium J.S.Martin	Synonym		ILDIS
Trifolium polonica L. [Spelling variant]	Synonym		ILDIS
Trifolium polonicus L.	Synonym		ILDIS
Trifolium polyanthemum Ten. ex Ser.	Unresolved		WCSP (in review)
Trifolium polycephalum Ser.	Unresolved		WCSP (in review)
Trifolium polygonum H.Lév.	Unresolved		WCSP (in review)
Trifolium polymorphum Poir.	Accepted		ILDIS
Trifolium polymorphum var. granfiflorum Parodi	Accepted		TRO
Trifolium polymorphum var. neuquenense Rossow	Accepted		TRO
Trifolium polynorphum Poir.	Unresolved		WCSP (in review)
Trifolium polyodon Greene	Accepted		ILDIS
Trifolium polyphyllum Torr. & A.Gray	Synonym		ILDIS
Trifolium polyphyllum (C.A.Mey.) Latsch.	Accepted		ILDIS
Trifolium polyphyllum C.A. Mey.	Unresolved		TRO
Trifolium polyphyllum Nutt.	Synonym		TRO
Trifolium polystachyum Fresen.	Accepted		ILDIS
Trifolium ponticum Albov	Unresolved		WCSP (in review)
Trifolium popovii (Roskov) Gubanov & Kamelin	Synonym		ILDIS
Trifolium potosanum Lojac.	Synonym		ILDIS
Trifolium potosanum "Lojac., p.p.B"	Synonym		ILDIS
Trifolium praecox Wallr.	Unresolved		WCSP (in review)
Trifolium praetermissum Greuter, Pleger & Raus	Unresolved		WCSP (in review)
Trifolium praetutianum Guss.	Synonym		TRO
Trifolium pratense L.	Accepted		ILDIS
Trifolium pratense var. americanum Harz	Accepted		ILDIS
Trifolium pratense subsp. americanum Soják	Synonym		TRO
Trifolium pratense subsp. expansum Jáv.	Synonym		TRO
Trifolium pratense var. foliosum Brand	Synonym		TRO
Trifolium pratense var. lenkoranicum Grossh.	Synonym		ILDIS
Trifolium pratense var. maritimum Zabel	Accepted		ILDIS
Trifolium pratense var. sativum Schreb.	Accepted		ILDIS
Trifolium pratense subsp. sativum Ponert	Synonym		TRO
Trifolium pratense subsp. sativum Schuebl. & Mart.	Synonym		TRO
Trifolium pratense var. villosum Wahlb.	Synonym		ILDIS
Trifolium praticola Sennen	Synonym		ILDIS
Trifolium preslianum Boiss.	Synonym		ILDIS
Trifolium preussii Baker f.	Synonym		ILDIS
Trifolium procerum Rochel	Synonym		ILDIS
Trifolium procumbens sensu auct.	Synonym		ILDIS
Trifolium procumbens "L., p.p."	Synonym		ILDIS
Trifolium procumbens L.	Synonym		ILDIS
Trifolium procumbens var. campestre DC.	Synonym		ILDIS
Trifolium productum Greene	Synonym		ILDIS
Trifolium prophetarum M.Hossain	Unresolved		WCSP (in review)
Trifolium × prostii Chass.	Unresolved		WCSP (in review)
Trifolium pseudo-albopurpureum P.B.Kenn.	Synonym		ILDIS
Trifolium pseudobadium Velen.	Synonym		ILDIS
Trifolium pseudocryptopodium Fiori	Synonym		ILDIS
Trifolium pseudomedium Hausskn.	Unresolved		WCSP (in review)
Trifolium pseudoprocumbens C.C.Gmel.	Synonym		ILDIS
Trifolium pseudostriatum Baker f.	Accepted		ILDIS
Trifolium psoralioides Walter	Synonym		TRO
Trifolium pulchellum Schischk.	Unresolved		WCSP (in review)
Trifolium pumilum Hossain	Synonym		ILDIS
Trifolium purpurascens Fisch. ex G.Don	Unresolved		WCSP (in review)
Trifolium purpurascens Roth	Unresolved		WCSP (in review)
Trifolium purpureum Loisel.	Accepted		ILDIS
Trifolium purpureum subsp. pamphylicum (Boiss. & Heldr.) Holmboe	Synonym		TRO
Trifolium purpureum-majus Gilib.	Unresolved		WCSP (in review)
Trifolium purseglovei J.B.Gillett	Accepted		ILDIS
Trifolium pusillum Greene	Synonym		ILDIS
Trifolium pyrenaicum Pourr.	Unresolved		WCSP (in review)
Trifolium quartinianum A.Rich.	Accepted		ILDIS
Trifolium quercetorum Greene	Synonym		ILDIS
Trifolium raddeanum Trautv.	Accepted		ILDIS
Trifolium radiatum Delile	Unresolved		WCSP (in review)
Trifolium radicosum Boiss. & Hohen.	Accepted		ILDIS
Trifolium radiosum Wahlenb.	Synonym		ILDIS
Trifolium rechingeri Rothm.	Synonym		ILDIS
Trifolium reclinatum Waldst. & Kit.	Synonym		ILDIS
Trifolium rectiusculum Gand.	Unresolved		WCSP (in review)
Trifolium recurvum Waldst. & Kit.	Unresolved		WCSP (in review)
Trifolium reflexum L.	Accepted		ILDIS
Trifolium reflexum Scheele	Synonym		ILDIS
Trifolium reflexum Schltdl. & Cham.	Synonym		ILDIS
Trifolium reflexum var. reflexum L.	Accepted		ILDIS
Trifolium reflexum var. virginicum (Small & Vail) McDermott	Synonym		ILDIS
Trifolium repens L.	Accepted		ILDIS
Trifolium repens sensu Baker f.	Misapplied		ILDIS
Trifolium repens var. giganteum Lagr.-Foss.	Synonym		ILDIS
Trifolium repens subsp. giganteum (Lagr.-Fossat) Ponert	Synonym		TRO
Trifolium repens var. giganteum Lagr.-Fossat	Synonym		TRO
Trifolium repens subsp. macrorrhizum (Boiss.) Ponert	Accepted		TRO
Trifolium repens var. nevadense (Boiss.) C.Vicioso	Accepted		ILDIS
Trifolium repens subsp. nevadense (Boiss.) Coombe	Synonym		ILDIS
Trifolium repens subsp. ochranthum (K.Maly) Nyar.	Synonym		ILDIS
Trifolium repens var. ochranthum K.Maly	Accepted		ILDIS
Trifolium repens var. orbelicum (Velen.) Fritsch	Accepted		ILDIS
Trifolium repens subsp. orbelicum (Velen.) Pawl.	Synonym		ILDIS
Trifolium repens var. orphanideum (Boiss.) Boiss.	Accepted		ILDIS
Trifolium repens subsp. orphanideum (Boiss.) Coombe	Synonym		ILDIS
Trifolium repens subsp. prostratum Nyman	Accepted		ILDIS
Trifolium repens var. repens L.	Accepted		ILDIS
Trifolium repens subsp. repens L.	Synonym		ILDIS
Trifolium repens f. riparia Hauman	Synonym		TRO
Trifolium resupinatum L.	Accepted		ILDIS
Trifolium resupinatum var. majus Boiss.	Accepted		ILDIS
Trifolium resupinatum var. minus Boiss.	Synonym		ILDIS
Trifolium resupinatum subsp. suaveolens (Willd.) Ponert	Synonym		TRO
Trifolium resupinatum subsp. tomentosum (L.) Gibelli & Belli	Synonym		TRO
Trifolium retusum L.	Accepted		ILDIS
Trifolium retusum subsp. cernuum C.Vicioso & M.Lainz	Synonym		ILDIS
Trifolium × retyezaticum Nyár.	Unresolved		WCSP (in review)
Trifolium rhizomatosum O.Schwarz	Unresolved		WCSP (in review)
Trifolium rhodense Pamp.	Synonym		ILDIS
Trifolium rhombeum S.Schauer	Synonym		ILDIS
Trifolium rigidum Savi	Synonym		TRO
Trifolium riograndense Burkart	Accepted		ILDIS
Trifolium rivale Steud.	Synonym		ILDIS
Trifolium rivale Clos	Synonym		ILDIS
Trifolium rivulare Boiss. & Balansa	Synonym		TRO
Trifolium rodnense Porcius	Unresolved		WCSP (in review)
Trifolium roemerianum Scheele	Synonym		ILDIS
Trifolium rollinsii J.M.Gillett	Synonym		ILDIS
Trifolium romanicum D.Brandza	Synonym		ILDIS
Trifolium romanicum Brandza	Synonym		TRO
Trifolium roscidum Greene	Synonym		ILDIS
Trifolium roseum D.Heller & Zohary	Synonym		ILDIS
Trifolium roseum J.Presl & C.Presl	Synonym		ILDIS
Trifolium roseum Cervants ex D. Heller & Zoh.	Synonym		TRO
Trifolium rostratum Greene	Synonym		ILDIS
Trifolium rotundatum Ser.	Unresolved		WCSP (in review)
Trifolium rotundifolium Bory & Chaub.	Unresolved		WCSP (in review)
Trifolium rotundifolium Sm.	Unresolved		WCSP (in review)
Trifolium roussaeanum Boiss.	Unresolved		WCSP (in review)
Trifolium rouxii Gren.	Unresolved		WCSP (in review)
Trifolium rouyanum Bonnier	Unresolved		WCSP (in review)
Trifolium rubellum Jord.	Unresolved		WCSP (in review)
Trifolium rubens L.	Accepted		ILDIS
Trifolium rubicundum Ball	Synonym		ILDIS
Trifolium rubrum Larrañaga	Synonym		TRO
Trifolium rueppellianum "sensu Robyns, p.p."	Misapplied		ILDIS
Trifolium rueppellianum Fresen.	Accepted		ILDIS
Trifolium rueppellianum var. lanceolatum J.B.Gillett	Synonym		ILDIS
Trifolium rueppellianum var. preussii (Baker f.) J.B.Gillett	Synonym		ILDIS
Trifolium rumelicum (Griseb.) Halacsy	Synonym		ILDIS
Trifolium rupestre Ten.	Synonym		ILDIS
Trifolium ruprechtii Tamamsch. & Fed.	Synonym		ILDIS
Trifolium rusbyi Greene	Accepted		ILDIS
Trifolium rusbyi var. atrorubens Greene	Synonym		ILDIS
Trifolium rusbyi subsp. caurinum (Piper) D.Heller & Zohary	Accepted		ILDIS
Trifolium rusbyi subsp. multipedunculatum (P.B.Kenn.) D.Heller & Zohary	Accepted		ILDIS
Trifolium rusbyi subsp. neurophyllum (Greene) D.Heller & Zohary	Accepted		ILDIS
Trifolium rusbyi subsp. oreganum (Howell) D.Heller & Zohary	Accepted		ILDIS
Trifolium rusbyi subsp. reflexum (A.Nelson) D.Heller & Zohary	Accepted		ILDIS
Trifolium rusbyi subsp. rusbyi Greene	Accepted		ILDIS
Trifolium rusbyi subsp. shastense (House) D.Heller & Zohary	Accepted		ILDIS
Trifolium ruthenicum M.Bieb.	Synonym		ILDIS
Trifolium rydbergii Greene	Synonym		ILDIS
Trifolium rytidosemium Boiss. & Hohen.	Synonym		ILDIS
Trifolium rytidosemium subsp. rivulare (Boiss. & Balansa) Ponert	Unresolved		TRO
Trifolium sabuletorum Jord. ex Boreau	Unresolved		WCSP (in review)
Trifolium sachokianum Grossh.	Synonym		ILDIS
Trifolium salictorum Rydb.	Synonym		ILDIS
Trifolium salmoneum Mouterde	Accepted		ILDIS
Trifolium sannineum Mouterde	Unresolved		WCSP (in review)
Trifolium sarosiense Hazsl.	Synonym		ILDIS
Trifolium sativum (Schreb.) Crome	Synonym		ILDIS
Trifolium sativum subsp. praecox Bobrov	Synonym		TRO
Trifolium sativum subsp. serotinum Bobrov	Synonym		TRO
Trifolium savianum Guss.	Synonym		ILDIS
Trifolium saxatile All.	Accepted		ILDIS
Trifolium saxicolum Small	Synonym		ILDIS
Trifolium scabrellum Greene	Synonym		ILDIS
Trifolium scabrum L.	Accepted		ILDIS
Trifolium scabrum subsp. lucanicum (Gasp.) Pignati	Accepted		TRO
Trifolium scabrum subsp. turcicum Velen.	Synonym		ILDIS
Trifolium scaettae Staner	Unresolved		WCSP (in review)
Trifolium scariosum A.Nelson	Synonym		ILDIS
Trifolium schiedeanum S.Watson	Synonym		ILDIS
Trifolium schimperi A.Rich.	Accepted		ILDIS
Trifolium schimperianum Hochst. ex Baker f.	Unresolved		WCSP (in review)
Trifolium schneideri Standl.	Unresolved		WCSP (in review)
Trifolium schreberi Jord. ex Reut.	Unresolved		WCSP (in review)
Trifolium schwarzii Wein	Unresolved		WCSP (in review)
Trifolium sclerorrhizum Boiss.	Synonym		ILDIS
Trifolium scorpioides Blasdale	Synonym		ILDIS
Trifolium scutatum Boiss.	Accepted		ILDIS
Trifolium sebastiani Savi	Accepted		ILDIS
Trifolium sebastianii Savi [Spelling variant]	Synonym		ILDIS
Trifolium sefinense Freyn & Bornm.	Unresolved		WCSP (in review)
Trifolium segetale Brot.	Synonym		ILDIS
Trifolium segetalis Brot.	Unresolved		WCSP (in review)
Trifolium segetum Greene	Synonym		ILDIS
Trifolium semiglabrum Brot.	Unresolved		WCSP (in review)
Trifolium semipilosum Fresen.	Accepted		ILDIS
Trifolium seravschanicum Bobrov	Accepted		ILDIS
Trifolium serrulatum Lag.	Unresolved		WCSP (in review)
Trifolium setiferum Boiss.	Accepted		ILDIS
Trifolium shastense House	Synonym		ILDIS
Trifolium sibiricum Gueldenst.	Unresolved		WCSP (in review)
Trifolium siculum C.Presl ex Steud.	Unresolved		WCSP (in review)
Trifolium simense Fresen.	Accepted		ILDIS
Trifolium simplex Clos	Synonym		ILDIS
Trifolium simplicifolium Walter	Synonym		ILDIS
Trifolium simulans House	Synonym		ILDIS
Trifolium sintenisii Freyn	Accepted		ILDIS
Trifolium siskiyouense J.M.Gillett	Accepted		ILDIS
Trifolium smyrnaeum Boiss.	Synonym		ILDIS
Trifolium soldeanum Barnola	Unresolved		WCSP (in review)
Trifolium somalense Taub.	Accepted		ILDIS
Trifolium sonomense D.Heller	Synonym		ILDIS
Trifolium spadiceum L.	Accepted		ILDIS
Trifolium spananthum Thulin	Accepted		ILDIS
Trifolium speciosum Willd.	Synonym		ILDIS
Trifolium sphaerocephalum Desf.	Unresolved		WCSP (in review)
Trifolium spicatum Sm.	Synonym		ILDIS
Trifolium spinulosum Hook.	Synonym		ILDIS
Trifolium spinulosum var. triste Torr. & A.Gray	Synonym		ILDIS
Trifolium splendens A.Heller	Synonym		ILDIS
Trifolium spryginii Belyaeva & Siplivinskii	Accepted		TRO
Trifolium spumosum L.	Accepted		ILDIS
Trifolium squamosum L.	Accepted		ILDIS
Trifolium squarrosum L.	Accepted		ILDIS
Trifolium squarrosum subsp. tunetanum (Murb.) Pott.-Alap.	Synonym		ILDIS
Trifolium stellatum L.	Accepted		ILDIS
Trifolium stellatum subsp. adpressum (Turrill) Ponert	Accepted		TRO
Trifolium stellatum var. adpressum Turrill	Synonym		TRO
Trifolium stellatum subsp. longiflorum (Gris.) Ponert	Accepted		TRO
Trifolium stellatum var. longiflorum Gris.	Synonym		TRO
Trifolium stellatum subsp. xanthinum (Freyn) Bald.	Synonym		ILDIS
Trifolium stellatum var. xanthinum (Freyn) Bald.	Accepted		ILDIS
Trifolium stenolobum Rydb.	Synonym		ILDIS
Trifolium stenophyllum Nutt.	Synonym		ILDIS
Trifolium stenophyllum Greene	Synonym		ILDIS
Trifolium steudneri Schweinf.	Accepted		ILDIS
Trifolium stipitatum Boiss. & Balansa	Synonym		ILDIS
Trifolium stipitatum Clos	Synonym		TRO
Trifolium stipulaceum Thunb.	Accepted		ILDIS
Trifolium stipulare Sessé & Moc.	Unresolved		WCSP (in review)
Trifolium stoloniferum Muhl.	Accepted		ILDIS
Trifolium stolzii sensu Cufod.	Misapplied		ILDIS
Trifolium stolzii Harms	Accepted		ILDIS
Trifolium stramineum C.Presl	Synonym		ILDIS
Trifolium strepens Crantz	Synonym		ILDIS
Trifolium striatum L.	Accepted		ILDIS
Trifolium striatum var. tastetii Pau	Synonym		ILDIS
Trifolium strictum L.	Accepted		ILDIS
Trifolium studniczkae Gand.	Unresolved		WCSP (in review)
Trifolium suaveolens Willd.	Synonym		ILDIS
Trifolium subcaulescens A.Gray	Synonym		ILDIS
Trifolium subexpansum Schur	Unresolved		WCSP (in review)
Trifolium subrotundum "sensu auct., p.p."	Misapplied		ILDIS
Trifolium subsalinum Greene	Synonym		ILDIS
Trifolium subterraneum L.	Accepted		ILDIS
Trifolium subterraneum var. yanninicum (Katzn. & Morley) ZOHARY	Accepted		TRO
Trifolium subulatum Gilib.	Unresolved		WCSP (in review)
Trifolium succinctum Vis.	Unresolved		WCSP (in review)
Trifolium suffocatum L.	Accepted		ILDIS
Trifolium sulphureum K.Koch	Unresolved		WCSP (in review)
Trifolium supinum Savi	Synonym		ILDIS
Trifolium sylvaticum Gerard	Accepted		ILDIS
Trifolium talyschense Chalilov	Accepted		TRO
Trifolium tastetii (Pau) Font Quer	Accepted		ILDIS
Trifolium tauricum M.Bieb.	Synonym		ILDIS
Trifolium tembense Fresen.	Accepted		ILDIS
Trifolium tenerum Eastw.	Synonym		ILDIS
Trifolium tenibense Fresen.	Unresolved		WCSP (in review)
Trifolium tenoreanum Boiss. & Spruner	Unresolved		WCSP (in review)
Trifolium tenoreanum H.Buek	Unresolved		WCSP (in review)
Trifolium tenue Clem.	Unresolved		WCSP (in review)
Trifolium tenue Willd.	Unresolved		WCSP (in review)
Trifolium tenuiflorum Ten.	Synonym		ILDIS
Trifolium tenuifolium Ten.	Accepted		ILDIS
Trifolium thalii Vill.	Accepted		ILDIS
Trifolium thessalonicum Halácsy & Charrel	Unresolved		WCSP (in review)
Trifolium thionanthum Hausskn.	Synonym		ILDIS
Trifolium thompsonii C.V.Morton	Accepted		ILDIS
Trifolium thymiflorum Vill.	Unresolved		WCSP (in review)
Trifolium titicacense D.Heller & Zohary	Synonym		ILDIS
Trifolium titicacense A.W. Hill ex D. Heller & ZOHARY	Synonym		TRO
Trifolium tmoleum Boiss.	Unresolved		WCSP (in review)
Trifolium tomentosum L.	Accepted		ILDIS
Trifolium tomentosum subsp. macrosphaerum (ZOHARY) Ponert	Accepted		TRO
Trifolium topalianum Beauverd	Unresolved		WCSP (in review)
Trifolium topczibaschevii Khalilov	Synonym		ILDIS
Trifolium transsilvanicum Schur	Unresolved		WCSP (in review)
Trifolium × traplii Domin	Unresolved		WCSP (in review)
Trifolium traskae P.B.Kenn.	Synonym		ILDIS
Trifolium triaristatum Colla	Accepted		ILDIS
Trifolium triaristatum f. pinetorum (Greene) McDermott	Synonym		TRO
Trifolium trichocalyx A.Heller	Accepted		ILDIS
Trifolium trichocephalum M.Bieb.	Accepted		ILDIS
Trifolium trichocephalum subsp. parantzemae (Azn.) Ponert	Accepted		TRO
Trifolium trichodontium Gand.	Unresolved		WCSP (in review)
Trifolium trichopterum Pancic	Accepted		ILDIS
Trifolium trichostomum Godr.	Unresolved		WCSP (in review)
Trifolium tricuspidatum Steud.	Synonym		ILDIS
Trifolium tricuspidntum Bertero ex Steud.	Unresolved		WCSP (in review)
Trifolium tridentatum Lindl.	Synonym		ILDIS
Trifolium tridentatum var. aciculare (Torr. & A.Gray) McDermott	Synonym		ILDIS
Trifolium tridentatum var. melananthum (Hook. & Arn.) S.Watson	Synonym		ILDIS
Trifolium tridentatum var. obtusiflorum (Hook.f.) S.Watson	Synonym		ILDIS
Trifolium tridentatum var. polyodon (Greene) Jeps.	Synonym		ILDIS
Trifolium tridentatum var. segetum (Greene) McDermott	Synonym		ILDIS
Trifolium tridentatum f. trimorphum (Greene) McDermott	Synonym		TRO
Trifolium tridentatum var. watsonii (Lojac.) Jeps.	Synonym		ILDIS
Trifolium tridentatum f. watsonii (Lojac.) McDermott	Synonym		TRO
Trifolium triflorum Greene	Synonym		ILDIS
Trifolium trilobatum Jeps.	Synonym		ILDIS
Trifolium trimorphum Greene	Synonym		ILDIS
Trifolium triste Nutt.	Unresolved		WCSP (in review)
Trifolium tropicum A.Nelson	Synonym		ILDIS
Trifolium truncatum (Greene) Greene	Synonym		ILDIS
Trifolium tumens M.Bieb.	Accepted		ILDIS
Trifolium tumens var. rechingeri Zohary & F.Heller	Synonym		ILDIS
Trifolium tumens var. talyschense (Khalilov) Zohary	Accepted		ILDIS
Trifolium tumens subsp. talyschense ZOHARY	Synonym		TRO
Trifolium tumescens Gilib.	Unresolved		WCSP (in review)
Trifolium tunetanum Murb.	Accepted		ILDIS
Trifolium turgidum M.Bieb.	Synonym		ILDIS
Trifolium ucrainicum Opperman	Unresolved		WCSP (in review)
Trifolium uintense Rydb.	Synonym		ILDIS
Trifolium ukingense Harms	Accepted		ILDIS
Trifolium ukrainicum Opperman	Synonym		ILDIS
Trifolium ultramontanum Greene	Synonym		ILDIS
Trifolium umbellatum Ser.	Synonym		ILDIS
Trifolium umbellulatum A.Rich.	Synonym		ILDIS
Trifolium uniflorum L.	Accepted		ILDIS
Trifolium unifolium Forssk.	Synonym		ILDIS
Trifolium usambarense Taub.	Accepted		ILDIS
Trifolium vaginatum Schleich.	Unresolved		WCSP (in review)
Trifolium vaillantii Ten.	Unresolved		WCSP (in review)
Trifolium vaillantii M.Bieb. ex Fisch.	Unresolved		WCSP (in review)
Trifolium vaillantii Poir.	Unresolved		WCSP (in review)
Trifolium vaillantii Loisel.	Unresolved		WCSP (in review)
Trifolium valdivianum D.Heller & Zohary	Synonym		ILDIS
Trifolium variabile Guss. ex Ser.	Unresolved		WCSP (in review)
Trifolium variegatum Torr. & A.Gray	Accepted		ILDIS
Trifolium variegatum Nutt.	Unresolved		TRO
Trifolium variegatum var. major Lojac.	Synonym		TRO
Trifolium variegatum f. major (Lojac.) McDermott	Synonym		TRO
Trifolium variegatum var. melananthum (Hook. & Arn.) McDermott	Synonym		ILDIS
Trifolium variegatum var. melananthum (Hook. & Arn.) Greene	Synonym		TRO
Trifolium variegatum f. morleyanum (Greene) McDermott	Synonym		TRO
Trifolium variegatum var. pauciflorum (Torr. & A.Gray) "McDermott,p.p."	Synonym		ILDIS
Trifolium variegatum var. pauciflorum (Torr. & A.Gray) "McDermott, p.p"	Synonym		ILDIS
Trifolium variegatum var. pauciflorum (Nutt.) McDermott	Synonym		TRO
Trifolium variegatum f. phaeocephalum (Greene) McDermott	Synonym		TRO
Trifolium variegatum var. polyodon (Greene) D.Heller	Synonym		ILDIS
Trifolium variegatum var. rostratum (Greene) C.L.Hitchc.	Accepted		ILDIS
Trifolium variegatum var. trilobatum (Jeps.) McDermott	Synonym		ILDIS
Trifolium variegatum var. variegatum Torr. & A.Gray	Accepted		ILDIS
Trifolium vavilovii Eig	Accepted		ILDIS
Trifolium velebiticum Degen	Accepted		ILDIS
Trifolium velenovskyi Vandas	Accepted		ILDIS
Trifolium velenowskyi Vandas ex Velenovsky	Unresolved		TRO
Trifolium velivolum Paine	Synonym		ILDIS
Trifolium ventricosum C.Presl ex Steud.	Unresolved		WCSP (in review)
Trifolium vernum Phil.	Accepted		ILDIS
Trifolium versicolor Steud.	Unresolved		WCSP (in review)
Trifolium vesiculosum Savi	Accepted		ILDIS
Trifolium vestitum D.Heller & Zohary	Accepted		ILDIS
Trifolium viciosoanum Pau	Unresolved		WCSP (in review)
Trifolium villiferum House	Synonym		ILDIS
Trifolium villosum Ten.	Unresolved		WCSP (in review)
Trifolium villosum C.Presl	Unresolved		WCSP (in review)
Trifolium villosum Gilib.	Unresolved		WCSP (in review)
Trifolium villosum Seenus ex Steud.	Unresolved		WCSP (in review)
Trifolium vinyalsii Sennen ex Pau	Unresolved		TRO
Trifolium violaceum Davidov	Synonym		ILDIS
Trifolium virescens Greene	Synonym		ILDIS
Trifolium virginicum Small & Vail	Accepted		ILDIS
Trifolium visianii Gand.	Unresolved		WCSP (in review)
Trifolium volubile Lour.	Unresolved		WCSP (in review)
Trifolium vulgare Hayne	Unresolved		WCSP (in review)
Trifolium vulgare Gueldenst. ex Ledeb.	Unresolved		WCSP (in review)
Trifolium waldsteinianum Sweet	Unresolved		WCSP (in review)
Trifolium watsonii Lojac.	Synonym		ILDIS
Trifolium weberbaueri Ulbr.	Synonym		ILDIS
Trifolium wentzelianum Harms	Accepted		ILDIS
Trifolium wentzelianum var. stolzii (Harms) J.B.Gillett	Synonym		ILDIS
Trifolium wettsteinii Dorfl. & Hayek	Accepted		ILDIS
Trifolium wigginsii J.M.Gillett	Accepted		ILDIS
Trifolium willdenovii Spreng.	Accepted		ILDIS
Trifolium willdenovii var. fimbriatum (Lindl.) Ewan	Accepted		TRO
Trifolium willdenovii var. kennedianum (McDermott) Ewan	Accepted		TRO
Trifolium willkommii Chabert	Unresolved		WCSP (in review)
Trifolium wormskioldii Lehm.	Accepted		ILDIS
Trifolium wormskioldii var. arizonicum (Greene) Barneby	Synonym		ILDIS
Trifolium wormskioldii var. fimbriatum (Lindl.) Jeps.	Synonym		TRO
Trifolium wormskioldii var. kennedianum (McDermott) Jeps.	Synonym		TRO
Trifolium wormskioldii var. longicaule (Wooton & Standl.) L.D.Benson	Synonym		ILDIS
Trifolium wormskioldii var. ortegae (Greene) Barneby	Synonym		TRO
Trifolium wormskioldii var. siskiyouense (J.M.Gillett) Isely	Synonym		ILDIS
Trifolium xanthicum Freyn [Spelling variant]	Synonym		ILDIS
Trifolium xanthinoides (Rohlena) A.W.Hill	Unresolved		WCSP (in review)
Trifolium xanthinum Freyn	Synonym		ILDIS
Trifolium xatardii DC.	Synonym		ILDIS
Trifolium xerocephalum Fenzl	Synonym		ILDIS
Trifolium yanninicum (Katzn. & Morley) Katzn.	Synonym		TRO