Tapered Rush, Tapertip Rush, Sharp-fruited Rush, Knotty-leaf Rush: Juncus acuminatus (Synonyms: Juncus acuminatus var. legitimus, Juncus pondii)
Northern Green Rush, Northern Rush, Alpine Rush: Juncus alpinoarticulatus (Synonyms: Juncus alpinoarticulatus ssp. americanus, Juncus alpinoarticulatus ssp. fuscescens, Juncus alpinoarticulatus ssp. nodulosus, Juncus alpinus, Juncus richardsonianus)
Jointed Rush, Joint-leaf Rush, Joint-leaved Rush: Juncus articulatus (Synonyms: Juncus articulatus var. obtusatus, Juncus articulatus var. stolonifer, Juncus lapmocarpus)
Arctic Rush, Baltic Rush, Dark Baltic Rush: Juncus balticus ssp. ater (Synonyms: Juncus arcticus, Juncus balticus ssp. balticus, Juncus balticus var. balticus, Juncus balticus ssp. cascadensis, Juncus balticus var. littoralis, Juncus balticus ssp. littoralis, Juncus balticus var. montanus, Juncus balticus ssp. occidentalis, Juncus balticus var. vallicola)
Narrow-panicled Rush, Short-tailed Rush: Juncus brevicaudatus (Synonyms: Juncus canadensis var. brevicaudatus, Juncus canadensis var. coarctatus, Juncus canadensis var. kuntzei, Juncus kuntzei, Juncus tweedyi)
Mosslike Dwarf Rush, Moss Rush: Juncus bryoides (Synonym: Juncus kelloggii) - Observed along road about 1 mile SE of Fish Lake.
Toad Rush: Juncus bufonius (Synonyms: Juncus bufonius var. bufonius, Juncus bufonius var. congestus, Juncus bufonius var. halophilus, Juncus bufonius var. occidentalis, Juncus sphaerocarpus)
Hairstem Rush: Juncus capillaris (Synonym: Juncus kelloggii) - Steens Mt of SE Oregon.
Round-fruited Rush: Juncus compressus
Colorado Rush: Juncus confusus (Synonym: Juncus exilis)
Coville's Rush: Juncus covillei var. covillei (Synonym: Juncus prominens)
Blunt Rush: Juncus covillei var. obtusatus (Synonym: Juncus obtusatus)
Drummond's Rush, Threeflower Rush: Juncus drummondii (Synonyms: Juncus compressus var. subriflorus, Juncus drummondii var. drummondii, Juncus drummondii var. longifructus, Juncus drummondii var. subtriflorus, Juncus pauperculus, Juncus subtriflorus)
Dudley's Rush: Juncus dudleyi (Synonym: Juncus tenuis var. dudleyi)
Soft Rush: Juncus effusus ssp. effusus (Synonyms: Juncus effusus var. compactus, Juncus effusus var. effusus, Juncus effusus var. subglomeratus)
Pacific Rush, Common Rush: Juncus effusus ssp. pacificus (Syonyms: Juncus effusus var. caeruleomontanus, Juncus effusus var. pacificus)
Eastern Soft Rush, Nova Scotia Rush: Juncus effusus ssp. solutus (Synonym: Juncus effusus var. solutus)
Swordleaf Rush, Dagger-leaved Rush: Juncus ensifolius (Synonyms: Juncus ensifolius var. ensifolius, Juncus saximontanus var. saximontanus, Juncus tracyi, Juncus xiphioides, Juncus xiphioides var. triandrus)
Thread Rush: Juncus filiformis
Least Rush, Center Basin Rush: Juncus hemiendytus var. abjectus (Synonym: Juncus abjectus)
Dwarf Rush: Juncus hemiendytus var. hemiendytus
Howell's Rush: Juncus howellii
European Blue Rush: Juncus inflexus ssp. inflexus (Synonym: Juncus inflexus) - Collected in Klickitat County, WA and Morrow County, OR.
Inland Rush: Juncus interior (Synonyms: Juncus interior var. interior, Juncus tenuis var. arizonicus, Juncus tenuis var. neomexicanus) - Included as part of Juncus tenuis in Oregon.
Kellogg's Dwarf Rush, Kellogg's Rush: Juncus kelloggii (Synonyms: Juncus brachystylus, Juncus triformis var. brachystylus)
San Francisco Rush: Juncus lescurii (Synonyms: Juncus lesueurii, Juncus lescurii var. tracyi)
Long-styled Rush: Juncus longistylis (Synonym: Juncus longistylis var. longistylis)
Merten's Rush: Juncus mertensianus (Synonyms: Juncus duranii, Juncus mertensianus var. duranii, Juncus mertensianus var. filifolius, Juncus slwookoorum)
Mexican Rush: Juncus mexicanus (Synonyms: Juncus arcticus var. mexicanus, Juncus balticus ssp. mexicanus)
Sierra Rush: Juncus nevadensis var. nevadensis (Synonyms: Juncus badius, Juncus columbianus, Juncus dubius, Juncus mertensianus ssp. gracilis, Juncus nevadensis var. badius, Juncus nevadensis var. columbianus)
Knotted Rush, Tuberous Rush: Juncus nodosus (Synonyms: Juncus nodosus var. meridionalis, Juncus nodosus var. nodosus, Juncus rostkovii)
Western Rush, Prairie Rush: Juncus occidentalis (Synonym: Juncus tenuis var. congestus)
Straight-leaved Rush: Juncus orthophyllus
Parry's Rush: Juncus parryi (Synonyms: Juncus drummondii var. parryi, Juncus hallii)
Gray Rush, Spreading Rush: Juncus patens
Regel's Rush: Juncus regelii
Rocky Mountain Rush: Juncus saximontanus (Synonyms: Juncus ensifolius var. brunnescens, Juncus ensifolius var. montanus, Juncus saximontanus var. robustior, Juncus xiphioides var. macranthus, Juncus xiphioides var. montanus, Juncus xiphioides var. xiphioides)
Hair-leaved Rush, Spreading Rush: Juncus supiniformis (Synonyms: Juncus oreganus, Juncus paucicapitatus)
Slender Rush, Path Rush, Poverty Rush: Juncus tenuis (Synonyms: Juncus bicornis, Juncus interior, Juncus macer, Juncus tenuis var. bicornis, Juncus tenuis var. multicornus, Juncus tenuis var. tenuis, Juncus tenuis var. williamsii)
Tiehm's Dwarf Rush: Juncus tiehmii
Torrey's Rush: Juncus torreyi (Synonyms: Juncus megacephalus, Juncus nodosus var. megacephalus)
Three-flowered Rush: Juncus triglumis var. albescens (Synonym: Juncus albescens)
Foothill Rush, Shortleaf Rush: Juncus trilocularis (Synonym: Juncus brachyphyllus, true J. brachyphyllus is found east of the Rocky Mts.)
Twelfth Rush, Inch High Rush, Inch-high Rush: Juncus uncialis