North America Native Plant

Lesser Saltmarsh Sedge

Botanical name: Carex glareosa pribylovensis

USDA symbol: CAGLP

Life cycle: perennial

Habit: grass

Native status: Native to Alaska  

Synonyms: Carex pribylovensis Macoun (CAPR16)   

Lesser Saltmarsh Sedge: A Rare Alaskan Native Worth Knowing About Meet the lesser saltmarsh sedge (Carex glareosa pribylovensis), one of Alaska’s more elusive native plants. While you probably won’t find this particular sedge at your local nursery, it’s worth understanding what makes this perennial grass-like plant special – and why ...

Rare plant alert!

Region: Conservation status by state

Status: S4S5T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Lesser Saltmarsh Sedge: A Rare Alaskan Native Worth Knowing About

Meet the lesser saltmarsh sedge (Carex glareosa pribylovensis), one of Alaska’s more elusive native plants. While you probably won’t find this particular sedge at your local nursery, it’s worth understanding what makes this perennial grass-like plant special – and why you might want to consider its more garden-friendly cousins instead.

What Is Lesser Saltmarsh Sedge?

Lesser saltmarsh sedge belongs to the sedge family (Cyperaceae), making it a grass-like perennial that’s perfectly adapted to Alaska’s challenging coastal conditions. You might also see it referenced by its botanical synonym, Carex pribylovensis Macoun, in older botanical texts.

This native Alaskan sedge has earned a conservation status of S4S5T2T3, indicating it’s quite rare and deserves our respect and protection. It’s not your typical backyard plant – think of it more as nature’s specialist, perfectly adapted to very specific conditions that most of us can’t replicate in our home gardens.

Where Does It Grow?

Lesser saltmarsh sedge calls Alaska home, where it thrives in the state’s unique coastal environments. This isn’t a plant you’ll stumble across during a casual hike – it’s adapted to very specific saltmarsh conditions that exist in limited areas.

Should You Plant Lesser Saltmarsh Sedge?

Here’s the honest truth: probably not. And here’s why that’s actually a good thing for both you and the plant:

  • Rarity concerns: With its conservation status, this sedge is better left in its natural habitat where it can continue thriving
  • Specialized needs: It requires very specific saltmarsh conditions that are nearly impossible to replicate in typical garden settings
  • Limited availability: You’re unlikely to find this plant through normal nursery channels
  • Better alternatives exist: Many other native sedges offer similar benefits with much easier care requirements

Native Sedge Alternatives for Your Garden

If you’re drawn to the idea of growing native sedges (and you should be – they’re fantastic!), consider these more garden-friendly options:

  • Pennsylvania sedge (Carex pensylvanica): Great for woodland gardens and naturalized areas
  • Fox sedge (Carex vulpinoidea): Thrives in wet areas and provides excellent wildlife habitat
  • Plantain-leaved sedge (Carex plantaginea): Beautiful broad leaves perfect for shade gardens

The Bigger Picture

While lesser saltmarsh sedge might not be destined for your garden bed, it serves as a wonderful reminder of the incredible diversity of native plants in North America. These specialized species play crucial roles in their ecosystems, often supporting wildlife and maintaining environmental balance in ways we’re still discovering.

By choosing to plant more common native sedges in our own spaces, we’re still supporting the broader goal of creating wildlife-friendly, sustainable landscapes. Plus, we get to enjoy all the benefits of native plants – lower maintenance, better wildlife support, and the satisfaction of gardening in harmony with nature.

Respecting Rare Plants

If you ever encounter lesser saltmarsh sedge in the wild during your Alaska adventures, take a moment to appreciate this botanical treasure. Observe, photograph if you’d like, but always leave it undisturbed. These rare plants are living libraries of genetic diversity and evolutionary adaptation – much too precious to disturb.

Instead, channel that plant enthusiasm into growing the many wonderful native sedges that are readily available and perfectly suited to garden life. Your local ecosystem will thank you, and you’ll discover that the world of native sedges has plenty to offer the curious gardener.

Lesser Saltmarsh Sedge

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 glareosa Schkuhr ex Wahlenb. - lesser saltmarsh sedge

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