Native Plants

Common Woodrush

Luzula multiflora multiflora var. kobayasii

USDA symbol: LUMUK2

perennial grass

Alaska: native

If you’re looking for a truly unique addition to your native plant garden, you might want to get acquainted with common woodrush (Luzula multiflora multiflora var. kobayasii). This little-known variety is as specialized as its lengthy scientific name suggests, and it brings a distinctly Alaskan character to any landscape brave ...

Common Woodrush: Alaska’s Hardy Native Grass-Like Perennial

If you’re looking for a truly unique addition to your native plant garden, you might want to get acquainted with common woodrush (Luzula multiflora multiflora var. kobayasii). This little-known variety is as specialized as its lengthy scientific name suggests, and it brings a distinctly Alaskan character to any landscape brave enough to embrace it.

What Makes This Plant Special

Common woodrush is a perennial grass-like plant that belongs to the rush family (Juncaceae). Don’t let the grass-like description fool you into thinking it’s just another lawn substitute – this plant has its own personality and growing requirements that set it apart from your typical turf grass.

As a native Alaskan species, this variety of woodrush has evolved to handle some seriously challenging growing conditions. It’s what botanists call a graminoid, which is a fancy way of saying it looks and acts like grass but isn’t technically a true grass. Think of it as grass’s more interesting cousin who moved to Alaska and learned to be really, really tough.

Where You’ll Find It Growing Wild

This particular variety of common woodrush calls Alaska home – and only Alaska. It’s not wandering around the lower 48 states or popping up in unexpected places. Its geographic distribution is refreshingly straightforward: if you want to see it in its natural habitat, you’ll need to head north to the Last Frontier.

  • Species observed
  • No observations

Should You Plant Common Woodrush?

Here’s where things get a bit tricky. While this native Alaskan plant sounds intriguing, there’s surprisingly little information available about its specific growing requirements, appearance, or garden performance. This variety is so specialized that it hasn’t made its way into mainstream horticulture – yet.

If you’re gardening in Alaska and are passionate about growing truly native species, common woodrush could be an interesting addition to your landscape. However, you’ll be venturing into relatively uncharted territory, as detailed growing guides and care instructions aren’t readily available for this particular variety.

The Challenge of Growing Something This Specialized

Unfortunately, the horticultural world hasn’t caught up with documenting the specific needs of Luzula multiflora multiflora var. kobayasii. We know it’s a perennial that’s adapted to Alaskan conditions, but details about its preferred soil type, sun exposure, watering needs, and mature size remain elusive.

This presents both an opportunity and a challenge for adventurous gardeners. On one hand, you could be among the first to successfully cultivate and document this native variety’s garden performance. On the other hand, you’ll be doing a lot of educated guessing about what makes this plant happy.

A Few Things to Keep in Mind

  • This plant has several botanical synonyms, so if you’re trying to source it, you might encounter it listed under names like Luzula kobayasii or other variations
  • As an Alaskan native, it’s likely adapted to cooler temperatures and specific soil conditions found in that region
  • Being a rush family member, it may prefer consistently moist conditions, though this is speculation based on related species
  • Its wildlife benefits and pollinator value are currently undocumented, leaving room for future observation

The Bottom Line

Common woodrush represents one of those fascinating native plants that exists in the gap between wild flora and cultivated garden plants. If you’re in Alaska and committed to using exclusively native species, this variety might deserve a spot on your plants to experiment with list.

However, if you’re looking for a well-documented, tried-and-true native grass-like plant for your landscape, you might want to start with better-known species and perhaps circle back to this intriguing woodrush once more information becomes available.

Sometimes the most interesting plants are the ones that make us work a little harder to understand them – and common woodrush definitely falls into that category.

Luzula multiflora multiflora var. kobayasii is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Luzula multiflora multiflora var. kobayasii is also known as:

Luzula campestris DC. var. minor | USDA symbol: LUCAM2
Luzula kobayasii | USDA symbol: LUKO
Luzula kobayasii Satake var. minor | USDA symbol: LUKOM
Luzula multiflora var. minor Roy Taylor & MacBryde | USDA symbol: LUMUM3

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Monocotyledons
Subclass: Commelinidae
Order: Juncales
Family: Juncaceae Juss. - Rush family
Genus: Luzula DC. - woodrush

Species: Luzula multiflora (Ehrh.) Lej. - common woodrush

Subspecies: Luzula multiflora (Ehrh.) Lej. ssp. multiflora - common woodrush
Variety: Luzula multiflora (Ehrh.) Lej. ssp. multiflora var. kobayasii (Satake) Sam. - common woodrush

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