North America Native Plant

Longbeak Beaksedge

Botanical name: Rhynchospora scirpoides

USDA symbol: RHSC5

Life cycle: annual

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Psilocarya corymbiformis Benth. (PSCO4)  âš˜  Psilocarya corymbifera (C. Wright) Britton (PSCO8)  âš˜  Psilocarya scirpoides Torr. (PSSC2)  âš˜  Psilocarya scirpoides Torr. var. grimesii Fernald & Grisc. (PSSCG)   

Longbeak Beaksedge: A Tiny Native Sedge with Big Wetland Benefits Meet longbeak beaksedge (Rhynchospora scirpoides), a modest little native annual that might just be the perfect addition to your wetland garden or restoration project. While it won’t win any beauty contests with its tiny, clustered flowers, this unassuming sedge plays ...

Rare plant alert!

Region: New Jersey

Status: S1: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ New Jersey Highlands region ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Region: New Jersey

Longbeak Beaksedge: A Tiny Native Sedge with Big Wetland Benefits

Meet longbeak beaksedge (Rhynchospora scirpoides), a modest little native annual that might just be the perfect addition to your wetland garden or restoration project. While it won’t win any beauty contests with its tiny, clustered flowers, this unassuming sedge plays an important role in North American wetland ecosystems.

What Is Longbeak Beaksedge?

Longbeak beaksedge is a small, grass-like annual plant that belongs to the sedge family. As its name suggests, it’s characterized by its distinctive beak-like seed structures. This native plant completes its entire life cycle in one growing season, making it quite different from the perennial sedges you might be more familiar with.

Where Does It Grow Naturally?

This little sedge is native to the lower 48 United States and can be found across a impressive range of states including Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Indiana, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York, North Carolina, Rhode Island, South Carolina, Texas, Virginia, and Wisconsin.

A True Wetland Specialist

Here’s where longbeak beaksedge gets really interesting – it’s what botanists call an obligate wetland plant. This means it almost always occurs in wetlands and requires consistently moist to saturated soil conditions. You’ll find it thriving in:

  • Marshes and swamps
  • Pond edges and lake shores
  • Wet meadows
  • Seasonal wetlands
  • Rain gardens and bioswales

Should You Plant Longbeak Beaksedge?

The answer depends on your gardening goals and location. This plant is considered rare in some states – it has an S1 (critically imperiled) status in Arkansas and S2 (imperiled) status in New Jersey. If you’re in one of these areas, you should only plant longbeak beaksedge if you can source it responsibly from reputable native plant nurseries or seed suppliers.

Consider planting longbeak beaksedge if you:

  • Have a wetland restoration project
  • Want to create authentic native habitat
  • Have consistently wet or boggy areas in your landscape
  • Are establishing a rain garden or bioswale
  • Value ecological function over showy blooms

Growing Conditions and Care

Growing longbeak beaksedge successfully is all about mimicking its natural wetland habitat:

Light: Full sun to partial shade
Soil: Consistently moist to saturated, acidic to neutral soils
Water: Requires constant moisture – never let it dry out
USDA Zones: 4-9

Since this is an annual plant, longbeak beaksedge will complete its life cycle in one growing season. However, if conditions are right, it will self-seed and return the following year. The key to success is maintaining consistent moisture levels throughout the growing season.

Garden Design and Landscaping Uses

Let’s be honest – longbeak beaksedge isn’t going to be the star of your flower border. Its flowers are tiny and inconspicuous, and the overall plant form is quite modest. However, it shines in specialized applications:

  • Wetland restoration projects
  • Native plant communities
  • Rain gardens and stormwater management areas
  • Bog gardens
  • Naturalistic pond edges

Planting and Establishment Tips

If you decide to grow longbeak beaksedge, here are some tips for success:

  • Start from seed in late winter or early spring
  • Ensure your planting site stays consistently moist
  • Don’t expect dramatic visual impact – this plant is all about ecological function
  • Allow it to self-seed for natural population establishment
  • Source seeds or plants from reputable native plant suppliers

The Bottom Line

Longbeak beaksedge might not be the flashiest native plant you can grow, but it serves an important ecological role in wetland systems. If you have the right conditions and are passionate about creating authentic native habitat, this little sedge could be a valuable addition to your landscape. Just remember to source it responsibly, especially if you’re in an area where it’s considered rare.

For most home gardeners, there may be more visually appealing native wetland plants to consider, but for restoration enthusiasts and those creating specialized wetland gardens, longbeak beaksedge offers an opportunity to support a truly native specialist species.

Longbeak Beaksedge

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

Rhynchospora Vahl - beaksedge

Species

Rhynchospora scirpoides (Torr.) A. Gray - longbeak beaksedge

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