| Common Name | Scientific Name | Code |
| n/a | Juncus ?alpiniformis Fern. [alpinoarticulatus ? articulatus] | JUAL3 |
| n/a | Juncus ?fulvescens Fern. [articulatus ? brevicaudatus] | JUFU |
| n/a | Juncus ?gracilescens F.J. Herm. ex Wadmond [alpinoarticulatus ? brevicaudatus] | JUGR3 |
| n/a | Juncus ?nodosiformis Fern. [alpinoarticulatus ? nodosus] | JUNO3 |
| n/a | Juncus ?oronensis Fern. (pro sp.) [tenuis ? vaseyi] | JUOR2 |
| n/a | Juncus ?stuckeyi Reinking [alpinoarticulatus ? torreyi] | JUST2 |
| n/a | Juncus prominens (Buch.) Miyabe & Kudo [excluded] | JUPR4 |
| n/a | Luzula nivea (L.) DC. | LUNI3 |
| Ahart's dwarf rush | Juncus leiospermus F.J. Herm. var. ahartii Ertter | JULEA |
| Alaska curved woodrush | Luzula arcuata (Wahlenb.) Sw. ssp. unalaschcensis (Buch.) Hult | LUARU |
| Alaska rush | Juncus arcticus Willd. ssp. alaskanus Hult | JUARA |
| alpine woodrush | Luzula alpinopilosa (Chaix) Breistr. | LUAL8 |
| annual rush | Juncus abortivus Chapman | JUAB |
| arctic rush | Juncus arcticus Willd. | JUAR2 |
| arctic rush | Juncus arcticus Willd. ssp. arcticus Willd. [excluded] | JUARA5 |
| arctic woodrush | Luzula arctica Blytt | LUAR9 |
| arctic woodrush | Luzula arctica Blytt ssp. arctica | LUARA8 |
| Arizona rush | Juncus interior Wieg. var. arizonicus (Wieg.) F.J. Herm. | JUINA |
| Baltic rush | Juncus arcticus Willd. ssp. littoralis (Engelm.) Hult | JUARL |
| Baltic rush | Juncus balticus Willd. var. balticus Willd. [excluded] | JUBAB2 |
| basket rush | Juncus textilis Buch. | JUTE2 |
| bayonet rush | Juncus militaris Bigelow | JUMI2 |
| bighead rush | Juncus megacephalus M.A. Curtis | JUME |
| bluntflower rush | Juncus subnodulosus Schrank | JUSU7 |
| bog rush | Juncus biflorus Ell. | JUBI |
| Bolander's rush | Juncus bolanderi Engelm. | JUBO |
| Brewer's rush | Juncus breweri Engelm. | JUBR10 |
| broadleaf rush | Juncus planifolius R. Br. | JUPL |
| brownfruit rush | Juncus pelocarpus E. Mey. | JUPE |
| brownhead rush | Juncus phaeocephalus Engelm. | JUPH |
| brownhead rush | Juncus phaeocephalus Engelm. var. paniculatus Engelm. | JUPHP |
| brownhead rush | Juncus phaeocephalus Engelm. var. phaeocephalus | JUPHP2 |
| bulbous rush | Juncus bulbosus L. | JUBU2 |
| bulbous woodrush | Luzula bulbosa (Wood) Smyth & Smyth | LUBU |
| Canadian rush | Juncus canadensis J. Gay ex Laharpe | JUCA3 |
| Carolina woodrush | Luzula acuminata Raf. ssp. carolinae (S. Wats.) Z. Kaplan | LUACC2 |
| chestnut rush | Juncus castaneus Sm. | JUCA6 |
| chestnut rush | Juncus castaneus Sm. ssp. castaneus | JUCAC2 |
| chestnut rush | Juncus castaneus Sm. ssp. castaneus var. castaneus | JUCAC6 |
| chestnut rush | Juncus castaneus Sm. ssp. leucochlamys (Zing. ex Krecz.) Hult | JUCAL |
| Chilean rush | Juncus falcatus E. Mey. ssp. sitchensis (Buch.) Hult | JUFAS2 |
| clustered rush | Juncus glomeratus Batson | JUGL |
| Colorado rush | Juncus confusus Coville | JUCO2 |
| Colorado woodrush | Luzula subcapitata (Rydb.) Harrington | LUSU9 |
| Columubia rush | Juncus nevadensis S. Wats. var. columbianus (Coville) St. John | JUNEC |
| common rush | Juncus effusus L. | JUEF |
| common rush | Juncus effusus L. var. conglomeratus (L.) Engelm. | JUEFC2 |
| common rush | Juncus effusus L. var. effusus | JUEFE2 |
| common rush | Juncus effusus L. var. pylaei (Laharpe) Fern. & Wieg. | JUEFP2 |
| common woodrush | Luzula multiflora (Ehrh.) Lej. | LUMU2 |
| common woodrush | Luzula multiflora (Ehrh.) Lej. ssp. frigida (Buch.) Krecz. | LUMUF |
| common woodrush | Luzula multiflora (Ehrh.) Lej. ssp. multiflora | LUMUM |
| common woodrush | Luzula multiflora (Ehrh.) Lej. ssp. multiflora var. acadiensis Fern. | LUMUA2 |
| common woodrush | Luzula multiflora (Ehrh.) Lej. ssp. multiflora var. kobayasii (Satake) Samuelsson | LUMUK2 |
| common woodrush | Luzula multiflora (Ehrh.) Lej. ssp. multiflora var. multiflora | LUMUM2 |
| Cooper's rush | Juncus cooperi Engelm. | JUCO3 |
| Coville's rush | Juncus covillei Piper | JUCO5 |
| Coville's rush | Juncus covillei Piper var. covillei | JUCOC |
| Coville's rush | Juncus covillei Piper var. obtusatus C.L. Hitchc. | JUCOO |
| curved woodrush | Luzula arcuata (Wahlenb.) Sw. | LUAR5 |
| curved woodrush | Luzula arcuata (Wahlenb.) Sw. ssp. arcuata (Wahlenb.) Sw. [excluded] | LUARA17 |
| Donner woodrush | Luzula subcongesta (S. Wats.) Jepson | LUSU7 |
| Drummond's rush | Juncus drummondii E. Mey. | JUDR |
| Drummond's rush | Juncus drummondii E. Mey. var. drummondii | JUDRD |
| dubius rush | Juncus dubius Engelm. | JUDU |
| Dudley's rush | Juncus dudleyi Wieg. | JUDU2 |
| Duran's rush | Juncus duranii Ewan | JUDU3 |
| Elliott's rush | Juncus elliottii Chapman | JUEL |
| Elliott's rush | Juncus elliottii Chapman var. ?polyanthemus C. Mohr | JUELP |
| Elliott's rush | Juncus elliottii Chapman var. elliottii | JUELE |
| Eurasian woodrush | Luzula pallidula J. Kirschner | LUPA14 |
| European meadow rush | Juncus inflexus L. | JUIN |
| falcate rush | Juncus falcatus E. Mey. | JUFA |
| falcate rush | Juncus falcatus E. Mey. ssp. falcatus | JUFAF2 |
| field woodrush | Luzula campestris (L.) DC. | LUCA2 |
| Forbestown rush | Juncus cyperoides Laharpe | JUCY |
| forked rush | Juncus dichotomus Ell. | JUDI |
| forked woodrush | Luzula divaricata S. Wats. | LUDI |
| Georgia rush | Juncus georgianus Coville | JUGE2 |
| grassleaf rush | Juncus marginatus Rostk. | JUMA4 |
| greater creeping rush | Juncus subtilis E. Mey. | JUSU2 |
| greater poverty rush | Juncus anthelatus (Wieg.) R.E. Brooks | JUAN3 |
| Greene's rush | Juncus greenei Oakes & Tuckerman | JUGR |
| greenhead rush | Juncus chlorocephalus Engelm. | JUCH |
| Greenland woodrush | Luzula groenlandica B?cher | LUGR8 |
| Greenland woodrush | Luzula groenlandica B?cher var. groenlandica | LUGRG3 |
| Haenke's rush | Juncus haenkei E. Mey. | JUHA2 |
| hairy woodrush | Luzula acuminata Raf. | LUAC |
| hairy woodrush | Luzula acuminata Raf. ssp. acuminata | LUACA2 |
| hairyleaf rush | Juncus supiniformis Engelm. | JUSU3 |
| hairystem dwarf rush | Juncus capillaris F.J. Herm. | JUCA4 |
| Hall's rush | Juncus hallii Engelm. | JUHA |
| Hawai'i woodrush | Luzula hawaiiensis Buch. | LUHA2 |
| Hawai'i woodrush | Luzula hawaiiensis Buch. var. glabrata (Hbd.) O.& I. Deg. | LUHAG |
| Hawai'i woodrush | Luzula hawaiiensis Buch. var. hawaiiensis | LUHAH |
| heath woodrush | Luzula congesta (Thuill.) Lej. | LUCO8 |
| hedgehog woodrush | Luzula echinata (Small) F.J. Herm. | LUEC |
| Herman's dwarf rush | Juncus hemiendytus F.J. Herm. | JUHE |
| Herman's dwarf rush | Juncus hemiendytus F.J. Herm. var. abjectus (F.J. Herm.) Ertter | JUHEA |
| Herman's dwarf rush | Juncus hemiendytus F.J. Herm. var. hemiendytus | JUHEH |
| highland rush | Juncus trifidus L. | JUTR2 |
| Hitchcock's smooth woodrush | Luzula glabrata (Hoppe ex Rostk.) Desv. var. hitchcockii (H?met-Ahti) Dorn | LUGLH |
| Howell's rush | Juncus howellii F.J. Herm. | JUHO |
| inland rush | Juncus interior Wieg. | JUIN2 |
| inland rush | Juncus interior Wieg. var. interior | JUINI |
| irisleaf rush | Juncus xiphioides E. Mey. | JUXI |
| jointleaf rush | Juncus articulatus L. | JUAR4 |
| Juncus abortivus | Juncus pelocarpus E. Mey. var. crassicaudex Engelm. | JUPEC |
| Juncus acutus ssp. leopoldii | Juncus acutus L. var. sphaerocarpus Engelm. | JUACS |
| Juncus albescens | Juncus triglumis L. ssp. albescens (Lange) Hult | JUTRA |
| Juncus albescens | Juncus triglumis L. var. albescens Lange | JUTRA2 |
| Juncus alpinoarticulatus ssp. nodulosus | Juncus alpinoarticulatus Chaix ssp. americanus (Farw.) H?met-Ahti | JUALA2 |
| Juncus alpinoarticulatus ssp. nodulosus | Juncus alpinoarticulatus Chaix ssp. fuscescens (Fern.) H?met-Ahti | JUALF2 |
| Juncus alpinoarticulatus ssp. nodulosus | Juncus alpinus auct. non Vill. [misapplied] | JUAL |
| Juncus alpinoarticulatus ssp. nodulosus | Juncus alpinus Vill. ssp. nodulosus (Wahlenb.) Lindm. | JUALN2 |
| Juncus alpinoarticulatus ssp. nodulosus | Juncus alpinus Vill. var. fuscescens Fern. | JUALF |
| Juncus alpinoarticulatus ssp. nodulosus | Juncus alpinus Vill. var. rariflorus Hartman | JUALR |
| Juncus alpinoarticulatus ssp. nodulosus | Juncus alpinus Vill. var. uniceps Hartman | JUALU |
| Juncus alpinoarticulatus ssp. nodulosus | Juncus richardsonianus J.A. Schultes | JURI2 |
| Juncus ambiguus | Juncus bufonius L. var. halophilus Buch. & Fern. | JUBUH |
| Juncus ambiguus | Juncus bufonius L. var. ranarius (Perrier & Song.) Hayek | JUBUR |
| Juncus ambiguus | Juncus ranarius Perrier & Song. | JURA |
| Juncus anthelatus | Juncus macer S.F. Gray var. anthelatus (Wieg.) F.J. Herm. | JUMAA |
| Juncus anthelatus | Juncus tenuis Willd. var. anthelatus Wieg. | JUTEA |
| Juncus arcticus ssp. alaskanus | Juncus arcticus Willd. var. alaskanus (Hult?n) Welsh | JUARA3 |
| Juncus arcticus ssp. alaskanus | Juncus balticus Willd. var. alaskanus (Hult?n) Porsild | JUBAA |
| Juncus arcticus ssp. littoralis | Juncus arcticus Willd. ssp. ater (Rydb.) Hult | JUARA4 |
| Juncus arcticus ssp. littoralis | Juncus arcticus Willd. ssp. balticus (Willd.) Hyl. | JUARB4 |
| Juncus arcticus ssp. littoralis | Juncus arcticus Willd. var. balticus (Willd.) Trautv. | JUARB5 |
| Juncus arcticus ssp. littoralis | Juncus arcticus Willd. var. littoralis (Engelm.) Boivin | JUARL2 |
| Juncus arcticus ssp. littoralis | Juncus arcticus Willd. var. montanus (Engelm.) Welsh | JUARM |
| Juncus arcticus ssp. littoralis | Juncus ater Rydb. | JUAT |
| Juncus arcticus ssp. littoralis | Juncus balticus Willd. | JUBA |
| Juncus arcticus ssp. littoralis | Juncus balticus Willd. var. littoralis Engelm. | JUBAL |
| Juncus arcticus ssp. littoralis | Juncus balticus Willd. var. melanogenus Fern. & Wieg. | JUBAM4 |
| Juncus arcticus ssp. littoralis | Juncus balticus Willd. var. montanus Engelm. | JUBAM |
| Juncus arcticus ssp. littoralis | Juncus balticus Willd. var. stenocarpus Buch. & Fern. | JUBAS2 |
| Juncus arcticus ssp. littoralis | Juncus balticus Willd. var. vallicola Rydb. | JUBAV |
| Juncus articulatus | Juncus articulatus L. var. obtusatus Engelm. | JUARO |
| Juncus articulatus | Luzula hyperborea R. Br. p.p. | LUHY5 |
| Juncus biflorus | Juncus aristulatus auct. non Michx. [misapplied] | JUAR7 |
| Juncus biflorus | Juncus aristulatus Michx. var. biflorus Small | JUARB3 |
| Juncus biflorus | Juncus marginatus Rostk. var. biflorus Wood | JUMAB |
| Juncus biflorus | Juncus marginatus Rostk. var. odoratus Torr. | JUMAO |
| Juncus brachyphyllus | Juncus kansanus F.J. Herm. | JUKA |
| Juncus bufonius var. congestus | Juncus bufonius L. var. cogdonii (S. Wats.) J.T. Howell | JUBUC3 |
| Juncus bufonius var. occidentalis | Juncus sphaerocarpus auct. non Nees ex Funck [misapplied] | JUSP |
| Juncus bulbosus | Juncus supinus Moench | JUSU8 |
| Juncus canadensis | Juncus canadensis J. Gay ex Laharpe var. euroauster Fern. | JUCAE |
| Juncus canadensis | Juncus canadensis J. Gay ex Laharpe var. sparsiflorus Fern. | JUCAS |
| Juncus castaneus ssp. leucochlamys | Juncus leucochlamys Zing. ex Krecz. | JULE4 |
| Juncus confusus | Juncus exilis Osterhout | JUEX |
| Juncus coriaceus | Juncus setaceus Rostk. | JUSE3 |
| Juncus covillei var. obtusatus | Juncus obtusatus Engelm., non Kit. | JUOB |
| Juncus dichotomus | Juncus dichotomus Ell. var. platyphyllus Wieg. | JUDIP |
| Juncus dichotomus | Juncus platyphyllus (Wieg.) Fern. | JUPL2 |
| Juncus dichotomus | Juncus tenuis Willd. var. platyphyllus (Wieg.) F.J. Herm. | JUTEP |
| Juncus drummondii var. subtriflorus | Juncus drummondii E. Mey. var. logifructus St. John | JUDRL |
| Juncus dudleyi | Juncus tenuis Willd. var. dudleyi (Wieg.) F.J. Herm. | JUTED |
| Juncus dudleyi | Juncus tenuis Willd. var. uniflorus auct. p.p., non Farw. | JUTEU |
| Juncus duranii | Juncus mertensianus Bong. var. duranii (Ewan) F.J. Herm. | JUMED |
| Juncus effusus var. conglomeratus | Juncus conglomeratus L. | JUCO9 |
| Juncus effusus var. conglomeratus | Juncus effusus L. var. caeruleomontanus St. John | JUEFC4 |
| Juncus effusus var. conglomeratus | Juncus effusus L. var. compactus auct. non Lej. & Court. [misapplied] | JUEFC |
| Juncus effusus var. effusus | Juncus effusus L. var. subglomeratus Lam. & DC. | JUEFS2 |
| Juncus effusus var. pylaei | Juncus effusus L. var. costulatus Fern. | JUEFC3 |
| Juncus effusus var. pylaei | Juncus pylaei Laharpe | JUPY |
| Juncus effusus var. solutus | Juncus effusus L. ssp. solutus (Fern. & Wieg.) H?met-Ahti | JUEFS3 |
| Juncus effusus var. solutus | Juncus griscomii Fern. | JUGR2 |
| Juncus ensifolius | Juncus ensifolius Wikstr. var. major Hook. | JUENM |
| Juncus ensifolius | Juncus xiphioides E. Mey. var. triandrus Engelm. | JUXIT |
| Juncus falcatus | Juncus falcatus E. Mey. var. falcatus E. Mey. [superfluous autonym] | JUFAF3 |
| Juncus falcatus ssp. sitchensis | Juncus falcatus E. Mey. var. sitchensis Buch. | JUFAS |
| Juncus haenkei | Juncus arcticus Willd. var. sitchensis Engelm. | JUARS |
| Juncus haenkei | Juncus balticus Willd. var. haenkei (E. Mey.) Buch. | JUBAH |
| Juncus hemiendytus var. abjectus | Juncus abjectus F.J. Herm. | JUAB2 |
| Juncus interior var. arizonicus | Juncus arizonicus Wieg. | JUAR6 |
| Juncus interior var. interior | Juncus tenuis Willd. var. uniflorus auct. p.p., non Farw. | JUTEU |
| Juncus interior var. neomexicanus | Juncus neomexicanus Wieg. | 2-Jun |
| Juncus kelloggii | Juncus brachystylus (Engelm.) Piper | JUBR7 |
| Juncus marginatus | Juncus marginatus Rostk. var. marginatus Rostk. [superfluous autonym] | JUMAM2 |
| Juncus marginatus | Juncus marginatus Rostk. var. setosus Coville | JUMAS |
| Juncus marginatus | Juncus setosus (Coville) Small | JUSE4 |
| Juncus mertensianus | Juncus slwookoorum S.B. Young | JUSL |
| Juncus mexicanus | Juncus balticus Willd. var. mexicanus (Willd. ex J.A. & J.H. Schultes) Kuntze | JUBAM3 |
| Juncus nevadensis var. badius | Juncus badius Suksdorf | JUBA2 |
| Juncus nevadensis var. badius | Juncus mertensianus Bong. var. badius (Suksdorf) F.J. Herm. | JUMEB |
| Juncus nevadensis var. columbianus | Juncus columbianus Coville | JUCO10 |
| Juncus nevadensis var. columbianus | Juncus mertensianus Bong. var. columbianus (Coville) F.J. Herm. | JUMEC |
| Juncus nevadensis var. nevadensis | Juncus mertensianus Bong. ssp. gracilis (Engelm.) F.J. Herm. | JUMEG |
| Juncus nodatus | Juncus acuminatus Michx. var. robustus Engelm. | JUACR |
| Juncus nodatus | Juncus robustus (Engelm.) Coville | JURO2 |
| Juncus occidentalis | Juncus tenuis Willd. var. congestus Engelm. | JUTEC |
| Juncus pelocarpus | Juncus pelocarpus E. Mey. var. sabulonensis St. John | JUPES |
| Juncus phaeocephalus var. phaeocephalus | Juncus phaeocephalus Engelm. var. glomeratus Engelm. | JUPHG |
| Juncus regelii | Juncus jonesii Rydb. | JUJO2 |
| Juncus saximontanus | Juncus ensifolius Wikstr. var. brunnescens (Rydb.) Cronq. | JUENB |
| Juncus saximontanus | Juncus ensifolius Wikstr. var. montanus (Engelm.) C.L. Hitchc. | JUENM2 |
| Juncus saximontanus | Juncus saximontanus A. Nels. var. robustior M.E. Peck | JUSAR |
| Juncus saximontanus | Juncus xiphioides E. Mey. var. macranthus Engelm. | JUXIM |
| Juncus saximontanus | Juncus xiphioides E. Mey. var. montanus Engelm. | JUXIM2 |
| Juncus scirpoides | Juncus scirpoides Lam. var. compositus Harper | JUSCC |
| Juncus scirpoides | Juncus scirpoides Lam. var. meridionalis Buch. | JUSCM |
| Juncus stygius ssp. americanus | Juncus stygius L. var. americanus Buch. | JUSTA2 |
| Juncus subnodulosus | Juncus pervetus Fern. | JUPE2 |
| Juncus supiniformis | Juncus oreganus S. Wats. | JUOR4 |
| Juncus tenuis | Juncus macer S.F. Gray | JUMA7 |
| Juncus tenuis | Juncus tenuis Willd. var. multicornis E. Mey. | JUTEM |
| Juncus tenuis | Juncus tenuis Willd. var. williamsii Fern. | JUTEW |
| Juncus trifidus | Juncus trifidus L. ssp. carolinianus H?met-Ahti | JUTRC |
| Juncus trifidus | Juncus trifidus L. var. monanthos auct. non (Jacq.) Bluff & Fingerhuth [misapplied] | JUTRM |
| Juncus triformis | Juncus megaspermus F.J. Herm. | JUME2 |
| Juncus validus var. validus | Juncus crassifolius Buch. | JUCR2 |
| Juncus validus var. validus | Juncus platycephalus Michx. | JUPL3 |
| Juncus vaseyi | Juncus greenei Oakes & Tuckerman var. vaseyi (Engelm.) Boivin | JUGRV |
| Kellogg's dwarf rush | Juncus kelloggii Engelm. | JUKE |
| knotted rush | Juncus nodosus L. | JUNO2 |
| knotted rush | Juncus nodosus L. var. meridianus F.J. Herm. | JUNOM |
| knotted rush | Juncus nodosus L. var. nodosus | JUNON |
| lamp rush | Juncus effusus L. var. brunneus Engelm. | JUEFB |
| lamp rush | Juncus effusus L. var. decipiens Buch. | JUEFD |
| lamp rush | Juncus effusus L. var. exiguus Fern. & Wieg. | JUEFE |
| lamp rush | Juncus effusus L. var. gracilis Hook. | JUEFG |
| lamp rush | Juncus effusus L. var. solutus Fern. & Wieg. | JUEFS |
| leafybract dwarf rush | Juncus capitatus Weigel | JUCA5 |
| leathery rush | Juncus coriaceus Mackenzie | JUCO4 |
| Leopold's rush | Juncus acutus L. ssp. leopoldii (Parl.) Snog. | JUACL |
| lesser creeping rush | Juncus repens Michx. | JURE2 |
| Long's rush | Juncus longii Fern. | JULO2 |
| longanther rush | Juncus macrandrus Coville | JUMA2 |
| longleaf rush | Juncus macrophyllus Coville | JUMA3 |
| longstyle rush | Juncus longistylis Torr. | JULO |
| longstyle rush | Juncus longistylis Torr. var. longistylis | JULOL |
| longstyle rush | Juncus longistylis Torr. var. scabratus F.J. Herm. | JULOS |
| lopsided rush | Juncus secundus Beauv. ex Poir. | JUSE |
| Luzula acuminata ssp. acuminata | Juncoides saltuense (Fern.) Heller | JUSA3 |
| Luzula acuminata ssp. acuminata | Luzula acuminata Raf. var. acuminata | LUACA |
| Luzula acuminata ssp. acuminata | Luzula carolinae S. Wats. var. saltuensis (Fern.) Fern. | LUCAS2 |
| Luzula acuminata ssp. acuminata | Luzula pilosa (L.) Willd. | LUPI8 |
| Luzula acuminata ssp. acuminata | Luzula pilosa (L.) Willd. var. saltuensis (Fern.) Boivin | LUPIS |
| Luzula acuminata ssp. acuminata | Luzula saltuensis Fern. | LUSA7 |
| Luzula acuminata ssp. carolinae | Juncoides carolinae (S. Wats.) Kuntze | JUCA11 |
| Luzula acuminata ssp. carolinae | Luzula acuminata Raf. var. carolinae (S. Wats.) Fern. | LUACC |
| Luzula acuminata ssp. carolinae | Luzula carolinae S. Wats. | LUCA6 |
| Luzula alpinopilosa | Luzula spadicea (All.) DC. | LUSP6 |
| Luzula arctica ssp. arctica | Juncoides arcticum (Blytt) Coville | JUAR5 |
| Luzula arctica ssp. arctica | Juncoides hyperboreum (R. Br.) Sheldon p.p. | JUHY2 |
| Luzula arctica ssp. arctica | Luzula hyperborea R. Br. p.p. | LUHY5 |
| Luzula arctica ssp. arctica | Luzula nivalis (Laestad.) Beurling | LUNI |
| Luzula arctica ssp. latifolia | Luzula camtschadalorum (Samuelsson) Gorodk. ex Krylov | LUCA5 |
| Luzula arctica ssp. latifolia | Luzula hyperborea R. Br. var. latifolia (Kjellm.) Boivin | LUHYL |
| Luzula arctica ssp. latifolia | Luzula nivalis (Laestad.) Beurling var. latifolia (Kjellm.) Samuelsson | LUNIL |
| Luzula arctica ssp. latifolia | Luzula tundricola Gorodk. | LUTU2 |
| Luzula arcuata ssp. unalaschcensis | Luzula arcuata (Wahlenb.) Sw. var. unalaschcensis Buch. | LUARU4 |
| Luzula arcuata ssp. unalaschcensis | Luzula unalaschcensis (Buch.) Satake | LUUN2 |
| Luzula bulbosa | Juncoides bulbosum (Wood) Small | JUBU3 |
| Luzula bulbosa | Luzula campestris (L.) DC. var. bulbosa Wood | LUCAB2 |
| Luzula bulbosa | Luzula multiflora (Ehrh.) Lej. var. bulbosa (Wood) F.J. Herm. | LUMUB |
| Luzula campestris | Juncoides campestre (L.) Kuntze | JUCA12 |
| Luzula comosa | Luzula campestris (L.) DC. var. macrantha (S. Wats.) Fern. & Wieg. | LUCAM4 |
| Luzula comosa | Luzula comosa E. Mey. var. laxa Buch. | LUCOL |
| Luzula comosa | Luzula comosa E. Mey. var. macrantha S. Wats. | LUCOM |
| Luzula comosa | Luzula comosa E. Mey. var. subsessilis S. Wats. | LUCOS3 |
| Luzula comosa | Luzula multiflora (Ehrh.) Lej. ssp. comosa (E. Mey.) Hult | LUMUC2 |
| Luzula comosa | Luzula multiflora (Ehrh.) Lej. var. comosa (E. Mey.) Fern. & Wieg. | LUMUC5 |
| Luzula comosa | Luzula subsessilis (S. Wats.) Buch. | LUSU8 |
| Luzula confusa | Juncoides hyperboreum (R. Br.) Sheldon p.p. | JUHY2 |
| Luzula confusa | Luzula hyperborea R. Br. p.p. | LUHY5 |
| Luzula congesta | Luzula campestris (L.) DC. var. congesta (Thuill.) E. Mey. | LUCAC6 |
| Luzula congesta | Luzula comosa E. Mey. var. congesta (Thuill.) S. Wats. | LUCOC2 |
| Luzula congesta | Luzula multiflora (Ehrh.) Lej. ssp. congesta (Thuill.) Hyl. | LUMUC3 |
| Luzula congesta | Luzula multiflora (Ehrh.) Lej. var. congesta (Thuill.) Koch | LUMUC4 |
| Luzula divaricata | Luzula parviflora (Ehrh.) Desv. ssp. divaricata (S. Wats.) Hult | LUPAD |
| Luzula divaricata | Luzula parviflora (Ehrh.) Desv. var. divaricata (S. Wats.) Boivin | LUPAD2 |
| Luzula echinata | Juncoides echinatum Small | JUEC |
| Luzula echinata | Luzula campestris (L.) DC. var. echinata (Small) Fern. & Wieg. | LUCAE |
| Luzula echinata | Luzula echinata (Small) F.J. Herm. var. mesochorea F.J. Herm. | LUECM |
| Luzula echinata | Luzula multiflora (Ehrh.) Lej. var. echinata (Small) Mohlenbrock | LUMUE |
| Luzula fastigiata | Luzula parviflora (Ehrh.) Desv. ssp. fastigiata (E. Mey.) H?met-Ahti | LUPAF3 |
| Luzula glabrata var. hitchcockii | Luzula hitchcockii H?met-Ahti | LUHI4 |
| Luzula kjellmaniana | Luzula multiflora (Ehrh.) Lej. ssp. kjellmaniana (Miyabe & Kudo) Tolm. | LUMUK4 |
| Luzula kjellmaniana | Luzula multiflora (Ehrh.) Lej. var. kjellmaniana sensu Samuelsson (excl. type) | LUMUK3 |
| Luzula kjellmaniana | Luzula multiflora (Ehrh.) Lej. var. kjellmanioides auct. non Taylor & MacBryde [misapplied] | LUMUK |
| Luzula luzuloides | Juncoides nemorosum (Pollard) Kuntze | 3-Jun |
| Luzula multiflora ssp. frigida | Juncoides intermedium (Thuill.) Rydb. | JUIN4 |
| Luzula multiflora ssp. frigida | Luzula campestris (L.) DC. var. frigida Buch. | LUCAF |
| Luzula multiflora ssp. frigida | Luzula frigida (Buch.) Samuelsson | LUFR4 |
| Luzula multiflora ssp. frigida | Luzula intermedia (Thuill.) A. Nels. | LUIN3 |
| Luzula multiflora ssp. frigida | Luzula multiflora (Ehrh.) Lej. var. frigida (Buch.) Samuelsson | LUMUF2 |
| Luzula multiflora ssp. frigida | Luzula multiflora (Ehrh.) Lej. var. fusconigra Celak. | LUMUF3 |
| Luzula multiflora ssp. frigida | Luzula sudetica (Willd.) DC. var. frigida (Buch.) Fern. | LUSUF2 |
| Luzula multiflora ssp. frigida | Luzula sudetica auct. non (Willd.) DC. [misapplied] | LUSU17 |
| Luzula multiflora ssp. multiflora var. kobayasii | Luzula campestris (L.) DC. var. minor (Satake) Welsh | LUCAM2 |
| Luzula multiflora ssp. multiflora var. kobayasii | Luzula kobayasii Satake | LUKO |
| Luzula multiflora ssp. multiflora var. kobayasii | Luzula kobayasii Satake var. minor Satake | LUKOM |
| Luzula multiflora ssp. multiflora var. kobayasii | Luzula multiflora (Ehrh.) Lej. var. minor (Satake) Taylor & MacBryde | LUMUM3 |
| Luzula multiflora ssp. multiflora var. multiflora | Juncus campestris L. var. multiflorus Ehrh. | JUCAM |
| Luzula multiflora ssp. multiflora var. multiflora | Juncus multiflorus (Ehrh.) Hoffmann, non Retz. | JUMU |
| Luzula multiflora ssp. multiflora var. multiflora | Luzula campestris (L.) DC. var. multiflora (Ehrh.) Celak. | LUCAM3 |
| Luzula pallidula | Luzula campestris (L.) DC. var. pallescens Wahlenb. | LUCAP |
| Luzula pallidula | Luzula pallescens (Wahlenb.) Bess. | LUPA5 |
| Luzula parviflora | Juncoides parviflorum (Ehrh.) Coville | JUPA4 |
| Luzula parviflora | Juncus melanocarpus Michx. | JUME5 |
| Luzula parviflora | Juncus parviflorus Ehrh. | JUPA5 |
| Luzula parviflora | Luzula melanocarpa (Michx.) Desv. | LUME4 |
| Luzula parviflora | Luzula parviflora (Ehrh.) Desv. ssp. melanocarpa (Michx.) Tolm. | LUPAM3 |
| Luzula parviflora | Luzula parviflora (Ehrh.) Desv. var. melanocarpa (Michx.) Buch. | LUPAM |
| Luzula piperi | Juncoides piperi Coville | JUPI2 |
| Luzula piperi | Luzula wahlenbergii Rupr. ssp. piperi (Coville) Hult | LUWAP |
| Luzula rufescens | Luzula pilosa (L.) Willd. var. rufescens (Fisch. ex E. Mey.) Boivin | LUPIR |
| Luzula spicata | Juncoides spicatum (L.) Kuntze | JUSP2 |
| Luzula spicata | Luzula spicata (L.) DC. ssp. saximontana A.& D. L?ve | LUSPS |
| manyflower rush | Juncus polyanthemos Buch. | JUPO2 |
| manyhead rush | Juncus polycephalus Michx. | JUPO |
| Mertens's rush | Juncus mertensianus Bong. | JUME3 |
| Mexican rush | Juncus mexicanus Willd. ex J.A. & J.H. Schultes | JUME4 |
| moor rush | Juncus stygius L. | JUST |
| moor rush | Juncus stygius L. ssp. americanus (Buch.) Hult | JUSTA |
| mosquito rush | Juncus squarrosus L. | JUSQ |
| moss rush | Juncus bryoides F.J. Herm. | JUBR5 |
| narrowpanicle rush | Juncus brevicaudatus (Engelm.) Fern. | JUBR4 |
| needlegrass rush | Juncus roemerianus Scheele | JURO |
| needlepod rush | Juncus scirpoides Lam. | JUSC |
| Nevada rush | Juncus tiehmii Ertter | JUTI |
| New Jersey rush | Juncus caesariensis Coville | JUCA2 |
| New Mexico rush | Juncus interior Wieg. var. neomexicanus (Wieg.) F.J. Herm. | JUINN |
| northern green rush | Juncus alpinoarticulatus Chaix | JUAL4 |
| northern green rush | Juncus alpinoarticulatus Chaix ssp. nodulosus (Wahlenb.) H?met-Ahti | JUALN |
| northern white rush | Juncus albescens (Lange) Fern. | JUAL2 |
| northern woodrush | Luzula confusa Lindeberg | LUCO5 |
| Oahu woodrush | Luzula hawaiiensis Buch. var. oahuensis (O. Deg. & Fosberg) O.& I. Deg. | LUHAO |
| oakforest woodrush | Luzula luzuloides (Lam.) Dandy & Wilmott | LULU3 |
| Pacific rush | Juncus effusus L. var. pacificus Fern. & Wieg. | JUEFP |
| Pacific woodrush | Luzula comosa E. Mey. | LUCO6 |
| Parry's rush | Juncus parryi Engelm. | JUPA |
| Pennsylvania rush | Juncus gymnocarpus Coville | JUGY |
| Piper's woodrush | Luzula piperi (Coville) M.E. Jones | LUPI2 |
| pointed rush | Juncus oxymeris Engelm. | JUOX |
| poverty rush | Juncus tenuis Willd. | JUTE |
| Red Bluff dwarf rush | Juncus leiospermus F.J. Herm. | JULE2 |
| Red Bluff dwarf rush | Juncus leiospermus F.J. Herm. var. leiospermus | JULEL |
| redpod rush | Juncus trigonocarpus Steud. | JUTR5 |
| Regel's rush | Juncus regelii Buch. | JURE |
| ringseed rush | Juncus filipendulus Buckl. | JUFI2 |
| Rocky Mountain rush | Juncus saximontanus A. Nels. | JUSA |
| roundfruit rush | Juncus compressus Jacq. | JUCO |
| roundhead rush | Juncus validus Coville | JUVA2 |
| roundhead rush | Juncus validus Coville var. fascinatus M.C. Johnston | JUVAF |
| roundhead rush | Juncus validus Coville var. validus | JUVAV |
| rufous woodrush | Luzula rufescens Fisch. ex E. Mey. | LURU2 |
| rush | Juncus L. | JUNCU |
| salt rush | Juncus lesueurii Boland. | JULE |
| saltmeadow rush | Juncus gerardii Loisel. | JUGE |
| saltmeadow rush | Juncus gerardii Loisel. var. gerardii | JUGEG |
| saltmeadow rush | Juncus gerardii Loisel. var. pedicellatus Fern. | JUGEP |
| Santa Lucia dwarf rush | Juncus luciensis Ertter | JULU2 |
| sea rush | Juncus maritimus Lam. | JUMA5 |
| seasice rush | Juncus ambiguus Guss. | JUAM3 |
| Sierra rush | Juncus nevadensis S. Wats. | JUNE |
| Sierra rush | Juncus nevadensis S. Wats. var. badius (Suksdorf) C.L. Hitchc. | JUNEB |
| Sierra rush | Juncus nevadensis S. Wats. var. inventus (Henderson) C.L. Hitchc. | JUNEI |
| Sierra rush | Juncus nevadensis S. Wats. var. nevadensis | JUNEN |
| Sierra woodrush | Luzula orestera C.W. Sharsmith | LUOR4 |
| slimpod rush | Juncus diffusissimus Buckl. | JUDI2 |
| smallflowered woodrush | Luzula fastigiata E. Mey. | LUFA3 |
| smallflowered woodrush | Luzula parviflora (Ehrh.) Desv. | LUPA4 |
| smallhead rush | Juncus brachycephalus (Engelm.) Buch. | JUBR2 |
| smooth woodrush | Luzula glabrata (Hoppe ex Rostk.) Desv. | LUGL2 |
| sourthern woodrush | Luzula forsteri (Sm.) DC. | LUFO6 |
| spiked woodrush | Luzula spicata (L.) DC. | LUSP4 |
| spiny rush | Juncus acutus L. | JUAC2 |
| spreading rush | Juncus patens E. Mey. | JUPA2 |
| stout rush | Juncus nodatus Coville | JUNO |
| straightleaf rush | Juncus orthophyllus Coville | JUOR |
| swordleaf rush | Juncus ensifolius Wikstr. | JUEN |
| tapertip rush | Juncus acuminatus Michx. | JUAC |
| Texas rush | Juncus texanus (Engelm.) Coville | JUTE3 |
| thread rush | Juncus filiformis L. | JUFI |
| three-hulled rush | Juncus triglumis L. | JUTR4 |
| threeflower rush | Juncus drummondii E. Mey. var. subtriflorus (E. Mey.) C.L. Hitchc. | JUDRS |
| toad rush | Juncus bufonius L. | JUBU |
| toad rush | Juncus bufonius L. var. bufonius | JUBUB |
| toad rush | Juncus bufonius L. var. congestus Wahlenb. | JUBUC2 |
| toad rush | Juncus bufonius L. var. occidentalis F.J. Herm. | JUBUO |
| Torrey's rush | Juncus torreyi Coville | JUTO |
| Tracy's rush | Juncus tracyi Rydb. | JUTR |
| tuftedstem rush | Juncus brachyphyllus Wieg. | JUBR3 |
| tundra woodrush | Luzula kjellmaniana Miyabe & Kudo | LUKJ |
| Tweedy's rush | Juncus tweedyi Rydb. | JUTW |
| twelfth rush | Juncus uncialis Greene | JUUN |
| twoflowered rush | Juncus biglumis L. | JUBI2 |
| Vasey's rush | Juncus vaseyi Engelm. | JUVA |
| Wahlenberg's woodrush | Luzula wahlenbergii Rupr. | LUWA |
| weak rush | Juncus debilis Gray | JUDE |
| western rush | Juncus occidentalis Wieg. | JUOC2 |
| whiteroot rush | Juncus brachycarpus Engelm. | JUBR |
| wideleaf arctic woodrush | Luzula arctica Blytt ssp. latifolia (Kjellm.) Porsild | LUARL4 |
| woodland rush | Juncus subcaudatus (Engelm.) Coville & Blake | JUSU |
| woodland rush | Juncus subcaudatus (Engelm.) Coville & Blake var. subcaudatus | JUSUS2 |
| woodrush | Luzula DC. | LUZUL |
| wrinkled rush | Juncus rugulosus Engelm. | JURU |
| Yosemite dwarf rush | Juncus triformis Engelm. | JUTR3 |