Cyperaceae
Bristleleaf bulrush
Isolepis setacea
- Family
- Cyperaceae
- Genus
- Isolepis
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Common names
By language (17)
- arz
- ايزوليبيس سيتاسيا
- Catalan
- Scirpe sétacé
- Chinese
- 細莞, 细莞, 水莎草, 细秆藨草
- Czech
- Bezosetka štětinovitá
- Dutch
- Borstelbies
- English
- Bristleleaf bulrush, Bristle club-rush
- Finnish
- Järviharjasluikka
- French
- Isolépis sétacé, Scirpe sétacé, Isoete sétiforme, Souchet sétacé
- frr
- Swinsbas
- German
- Borstige Schuppensimse, Borstige Moorbinse, Scirpe sétacé
- hsb
- Mólička syć
- Latvian
- Saru meldrs
- Lithuanian
- Šerinis meldelis, Scirpe sétacé
- Norwegian Bokmål
- Bustsivaks
- Polish
- Sitniczka szczecinowata
- Swedish
- Borstsäv, Scirpe sétacé
- Welsh
- Clwbfrwynen wrychog
Synonyms
- Cyperus setaceus (L.) Missbach & E.H.L.Krause
- Isolepis gracillima Hochst. ex Engl.
- Isolepis monandra Link
- Isolepis pleurocarpa Hochst. ex Boiss.
- Isolepis setacea subsp. gracillima Nyman
- Isolepis setacea var. aberdarica R.W.Haines & Lye
- Isolepis setacea var. pallens Rchb.
- Mariscus setaceus (L.) Moench
- Schoenoplectus setaceus (L.) Palla
- Scirpus clathratus Rchb.
- Scirpus gracillimus Kohts
- Scirpus savii var. gracillimus (Nyman) Rouy
- Scirpus setaceus L.
- Scirpus setaceus subsp. gracillimus (Nyman) Bonnier & Layens
- Scirpus setaceus var. clathratus (Rchb.) A.Terracc.
- Scirpus setaceus var. digynus Boeckeler
- Scirpus setaceus var. gracillimus (Nyman) A.Terracc.
- Scirpus setaceus var. major Lej.
- Scirpus setaceus var. minimus Gaudin
Flowers
- In flower
- May to September (from 24 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Canada: introduced, Lower 48 states: introduced
Photos
FlowerPhoto: Thomas Gyselinck, CC BY 4.0, from iNaturalist 
FlowerPhoto: Colin Meurk, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: Thomas Gyselinck, CC BY 4.0, from iNaturalist 
FlowerPhoto: Sigitas Juzėnas, CC BY 4.0, from iNaturalist 
Photo: Kristian Peters -- Fabelfroh 11:23, 25 November 2007, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Gabriel Mayrhofer, CC BY 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Gilles San Martin, CC BY-SA 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: purperlibel, CC BY-SA 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Alessia Guggisberg, CC BY 4.0, from iNaturalist
More in Isolepis
- Floating club-rushIsolepis fluitansCyperaceae
- Low bulrushIsolepis cernuaCyperaceae
- Isolepis aucklandicaCyperaceae
- Keeled bulrushIsolepis carinataCyperaceae
- Isolepis congruaCyperaceae
- Isolepis crassiusculaCyperaceae
- Isolepis habraCyperaceae
- Swamp club-rushIsolepis inundataCyperaceae
- Isolepis productaCyperaceae
- Isolepis bicolorCyperaceae
- Isolepis levynsianaCyperaceae
- Proliferating bulrushIsolepis proliferaCyperaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.