Cyperaceae
Northern singlespike sedge
Carex scirpoidea
- Family
- Cyperaceae
- Genus
- Carex
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Common names
By language (3)
- English
- Northern singlespike sedge, Canadian single-spike sedge
- Norwegian Bokmål
- Grønlandsstarr
- Swedish
- Grönlandsstarr
Synonyms
- Carex scirpina Tuck.
- Carex scirpoidea subsp. scirpoidea
- Carex scirpoidea var. typica B.Boivin
Flowers
- In flower
- May to August (from 112 flowering iNaturalist observations worldwide)
- Flower colour
- green (USDA PLANTS Database)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Greenland: native, Lower 48 states: native, St. Pierre and Miquelon: native
Photos

Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Kathleen Houlahan Chayer, CC0, from Wikimedia Commons
More in Carex
- Sand sedgeCarex arenariaCyperaceae
- Mud sedgeCarex limosaCyperaceae
- Slender tufted-sedgeCarex acutaCyperaceae
- Star sedgeCarex echinataCyperaceae
- Heath sedgeCarex flaccaCyperaceae
- Common sedgeCarex nigraCyperaceae
- European woodland sedgeCarex sylvaticaCyperaceae
- Tufted sedgeCarex elataCyperaceae
- Hairy sedgeCarex hirtaCyperaceae
- Lesser pond sedgeCarex acutiformisCyperaceae
- Woollyfruit sedgeCarex lasiocarpaCyperaceae
- Greater tussock-sedgeCarex paniculataCyperaceae
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.