Highland Rush
Oreojuncus trifidus
Found in rock crevices at high elevations, on greenstone, mica schist, amphibolite, metabasalt, hornblende gneiss, and quartzitic sandstone. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to West Virginia. How scores work Is it native here?
Profile 59%
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist
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Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Bloom
- June to September
Not yet recorded · Height · Spread · Life cycle · Leaves
Height: NC species account not read yet.
Spread, life cycle and leaves: no source found yet.
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
County records are not available.
Who uses this plant?
7CaterpillarsGenus host records with ranges including WV
Genus host records with ranges including WV · Juncus
- Acronicta insularisHenry's Marsh Moth, Cattail Caterpillar
- Bactra furfuranaRush Bactra
- Bactra verutanaJavelin Moth
- Cisseps fulvicollisYellow-Collared Scape Moth
- Coleophora cratipennellaStreaked Coleophora
- Globia subflavaYellow Sedge Borer, Yellowish Nonagria, Subflava Sedge Borer
- Xylena nuperaRed Swordgrass Moth, American Swordgrass Moth, False Armyworm
2BeesSoutheastern regional records
Southeastern regional records · Juncus
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
5BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Juncus
- Alectoris chukarChukar
- Anas acutaNorthern Pintail
- Coturnicops noveboracensisYellow Rail
- Lagopus leucuraWhite-tailed Ptarmigan
- Plectrophenax nivalisSnow Bunting
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Juncaceae
Growing sources and scope
- Bloom · “June to September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Juncus trifidus var. monanthos; rush
Conservation status
| West Virginia rank | S1 |
|---|---|
| Global rank | G5 |
| WV status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Weakley, Flora of the Southeastern United States (2025), South Central edition
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- NatureServe Explorer
- West Virginia occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications