Bottlebrush Bulrush
Isolepis hystrix
Found in chrome ore piles, a waif. FloraQuest, phone app (app page) What its natural habitat tells you
Not native to Virginia. How scores work Is it native here?
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At a glance
Not yet recorded · Height · Spread · Light · Soil · Life cycle · Leaves · Bloom
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 1 Virginia county.
Who uses this plant?
13CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Scirpus
- Apamea sordensBordered Apamea, Rustic Shoulder-Knot
- Bactra furfuranaRush Bactra
- Bactra verutanaJavelin Moth
- Euphyes dionDion Skipper, Sedge Skipper
- Globia oblongaOblong Sedge Borer Moth, Large Noagria
- Globia subflavaYellow Sedge Borer, Yellowish Nonagria, Subflava Sedge Borer
- Helotropha reniformisAmerican Crescent Borer, Reniform Celaena, Reniform Helotropha
- Ledaea perditalisLost Owlet, 3-Stripe Cephalanthus caterpillar, Buttonbush Owlet
- Meropleon diversicolorMulticolored Sedgeminer
- Neonympha mitchelliiMitchell's Satyr
Show all 13
- Bactra maiorina
- Cosmopterix scirpicola
- Donacaula dispersella
—BeesSoutheastern regional records
—Specialist beesPollen specialists
27BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Scirpus
- Agelaius phoeniceusRed-winged Blackbird
- Anas platyrhynchosMallard
- Anthus rubescensAmerican Pipit
- Aythya affinisLesser Scaup
- Aythya americanaRedhead
- Aythya collarisRing-necked Duck
- Aythya marilaGreater Scaup
- Aythya valisineriaCanvasback
- Bucephala clangulaCommon Goldeneye
- Bucephala islandicaBarrow's Goldeneye
Show all 27
- Calcarius lapponicusLapland Longspur
- Calcarius pictusSmith's Longspur
- Cygnus buccinatorTrumpeter Swan
- Cygnus columbianusTundra Swan
- Fulica americanaAmerican Coot
- Gallinula galeataCommon Gallinule
- Loxia curvirostraRed Crossbill
- Mareca americanaAmerican Wigeon
- Mareca streperaGadwall
- Molothrus aterBrown-headed Cowbird
- Oxyura jamaicensisRuddy Duck
- Plectrophenax nivalisSnow Bunting
- Porzana carolinaSora
- Rallus limicolaVirginia Rail
- Spatula cyanopteraCinnamon Teal
- Spizelloides arboreaAmerican Tree Sparrow
- Sturnus vulgarisEuropean Starling
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
Plant details
- Family
- Family not recorded
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Conservation status
| Virginia rank | SNA |
|---|---|
| Global rank | Not available |
| VA status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- Digital Atlas of the Virginia Flora
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- NatureServe Explorer
- 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