North America Non-native Plant

Carex Angustisquama

Botanical name: Carex angustisquama

USDA symbol: CAAN28

Habit: grass

Native status: Not native but doesn't reproduce and persist in the wild

Carex angustisquama: The Mystery Sedge That’s Hard to Pin Down If you’ve stumbled upon the name Carex angustisquama while researching native plants, you’re not alone in feeling a bit puzzled. This particular sedge species seems to be playing an excellent game of botanical hide-and-seek, with very little reliable information available ...

Carex angustisquama: The Mystery Sedge That’s Hard to Pin Down

If you’ve stumbled upon the name Carex angustisquama while researching native plants, you’re not alone in feeling a bit puzzled. This particular sedge species seems to be playing an excellent game of botanical hide-and-seek, with very little reliable information available about its characteristics, native range, or growing requirements.

What We Do Know

Carex angustisquama belongs to the sedge family (Cyperaceae), making it a grass-like perennial plant. Sedges are fantastic additions to native gardens, typically offering:

  • Excellent wildlife habitat and food sources
  • Natural water filtration capabilities
  • Low-maintenance growing requirements
  • Year-round structure in the landscape

The Information Gap

Here’s where things get tricky. Despite extensive searching through botanical databases and native plant resources, detailed information about Carex angustisquama’s specific characteristics, native range, and cultivation requirements remains elusive. This could mean several things:

  • It might be an extremely rare or regionally specific species
  • The name could be outdated or synonymized with another species
  • It may have limited distribution or be poorly documented

A Better Path Forward

Rather than taking a gamble on a plant with unknown characteristics and availability, consider these well-documented native sedge alternatives that offer proven benefits:

  • Carex pensylvanica (Pennsylvania Sedge) – excellent groundcover for dry shade
  • Carex stipata (Awl-fruited Sedge) – perfect for wet areas and wildlife habitat
  • Carex vulpinoidea (Fox Sedge) – adaptable to various moisture conditions
  • Carex comosa (Longhair Sedge) – stunning architectural presence near water

If You’re Determined to Find It

If you’re specifically looking for Carex angustisquama for a research project or specialized collection, your best bet is to:

  • Contact local botanical gardens or university herbaria
  • Reach out to native plant societies in your region
  • Consult with professional botanists or taxonomists
  • Verify the current accepted scientific name through botanical databases

The Bottom Line

While the mystery of Carex angustisquama remains unsolved, the world of native sedges offers plenty of other fantastic options that are well-documented, readily available, and proven performers in native landscapes. Sometimes the best gardening advice is knowing when to pivot to a plant that will actually thrive in your garden and support your local ecosystem.

Remember, successful native gardening is about choosing plants that are not only native to your region but also well-suited to your specific growing conditions. When in doubt, stick with the tried-and-true species that local experts recommend!

Carex Angustisquama

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Cyperaceae Juss. - Sedge family

Genus

Carex L. - sedge

Species

Carex angustisquama Franch.

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA