North America Native Plant

Clubmoss

Botanical name: Huperzia ×bartleyi

USDA symbol: HUBA

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Lycopodium ×bartleyi Cusick (LYBA6)   

Discovering the Fascinating World of Clubmoss: A Living Fossil in Your Backyard Ever stumbled across a peculiar little green plant that looks like it stepped straight out of the dinosaur era? You might have encountered clubmoss, scientifically known as Huperzia ×bartleyi. This remarkable little plant is actually a living fossil ...

Discovering the Fascinating World of Clubmoss: A Living Fossil in Your Backyard

Ever stumbled across a peculiar little green plant that looks like it stepped straight out of the dinosaur era? You might have encountered clubmoss, scientifically known as Huperzia ×bartleyi. This remarkable little plant is actually a living fossil that’s been quietly thriving on our continent for millions of years, and it’s got some pretty amazing stories to tell.

What Exactly Is Clubmoss?

Despite its name, clubmoss isn’t actually a moss at all – it’s what botanists call a lycopod. These ancient plants are more closely related to ferns than to true mosses, and they’ve been around since long before flowering plants ever existed. Think of them as botanical time travelers that have somehow managed to stick around while their giant tree-sized relatives from the Carboniferous period became coal.

Huperzia ×bartleyi is a hybrid clubmoss, which means it’s the result of two different clubmoss species getting together and creating something new. It’s a perennial plant that grows as a small, herbaceous forb without any woody stems or bark.

Where You’ll Find This Ancient Wonder

This native clubmoss calls the lower 48 states home, with populations scattered across Arkansas, Illinois, Iowa, Kentucky, Missouri, New York, North Carolina, Ohio, South Carolina, and Wisconsin. It’s one of those plants that reminds us how interconnected our ecosystems really are, bridging the gap between northern and southern forest communities.

What Does Clubmoss Look Like?

Clubmosses are pretty distinctive once you know what to look for. They typically feature:

  • Small, needle-like leaves arranged in spirals around the stem
  • Low-growing, creeping habit that hugs the ground
  • Evergreen foliage that stays green year-round
  • Spore-producing structures that look like tiny clubs (hence the name!)
  • A somewhat moss-like appearance from a distance

Is Clubmoss Beneficial in Gardens?

While clubmoss might not be the showstopper in your garden design, it serves some pretty cool ecological functions. These ancient plants help stabilize soil in woodland areas and provide habitat for tiny creatures that most of us never notice. They’re also fascinating conversation starters – imagine telling your garden visitors they’re looking at a plant form that’s essentially unchanged since the age of dinosaurs!

However, here’s the reality check: clubmosses are notoriously difficult to cultivate and establish in home gardens. They have very specific requirements and grow incredibly slowly. Most gardening experts recommend simply appreciating them in their natural habitats rather than trying to transplant them.

The Woodland Connection

If you’re lucky enough to have clubmoss naturally occurring on your property, consider yourself blessed with a truly unique ecosystem. These plants typically thrive in:

  • Moist, shaded woodland areas
  • Acidic soil conditions
  • Areas with consistent humidity
  • Locations with minimal soil disturbance

A Word About Conservation

Many clubmoss species are becoming increasingly rare due to habitat loss and collection pressure. If you encounter these fascinating plants in the wild, please resist the urge to dig them up. Instead, take photos and enjoy observing them in their natural setting. Their slow growth rate and specific habitat requirements make them particularly vulnerable to disturbance.

The Bottom Line

Clubmoss represents one of nature’s most successful botanical designs – so successful, in fact, that it hasn’t needed to change much in hundreds of millions of years. While it might not be practical for most home gardens, discovering and identifying these living fossils in natural areas can be one of the most rewarding aspects of native plant appreciation. They remind us that sometimes the most extraordinary things come in very small, humble packages.

Clubmoss

Classification

Group

Lycopod

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Lycopodiophyta - Lycopods

Subdivision
Class

Lycopodiopsida

Subclass
Order

Lycopodiales

Family

Lycopodiaceae P. Beauv. ex Mirb. - Club-moss family

Genus

Huperzia Bernh. - clubmoss

Species

Huperzia ×bartleyi (Cusick) Kartesz & Gandhi [lucidula × porophila] - clubmoss

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