North America Native Plant

Slender Clubmoss

Botanical name: Lycopodiella caroliniana var. caroliniana

USDA symbol: LYCAC

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states âš˜ Native to Puerto Rico  

Synonyms: Lycopodium carolinianum L. (LYCA3)  âš˜  Pseudolycopodiella caroliniana (L.) Holub (PSCA14)   

Slender Clubmoss: A Fascinating Ancient Plant for Wetland Gardens Have you ever wondered what plants looked like millions of years ago? Meet the slender clubmoss (Lycopodiella caroliniana var. caroliniana), a living relic that’s been around since before dinosaurs roamed the Earth! This isn’t your typical garden plant, but for those ...

Rare plant alert!

Region: Arkansas

Status: Highlands Listed, S3: Status is uncertain but is somewhere between the following rankings: New Jersey Highlands region ⚘ 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 ⚘ 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) ⚘

Region: Arkansas

Slender Clubmoss: A Fascinating Ancient Plant for Wetland Gardens

Have you ever wondered what plants looked like millions of years ago? Meet the slender clubmoss (Lycopodiella caroliniana var. caroliniana), a living relic that’s been around since before dinosaurs roamed the Earth! This isn’t your typical garden plant, but for those with the right conditions and a love for botanical curiosities, it’s absolutely fascinating.

What Exactly Is Slender Clubmoss?

Despite its name, slender clubmoss isn’t actually a moss at all. It’s what botanists call a lycopod – one of the most ancient groups of vascular plants on our planet. Think of it as nature’s own time capsule! This perennial plant looks delicate and moss-like, with tiny scale-like leaves that create a soft, feathery texture as it creeps along the ground.

Unlike flowering plants, slender clubmoss reproduces through spores rather than seeds, just like its prehistoric ancestors did. It forms low, spreading mats that rarely grow more than a few inches tall, making it a unique ground cover option for very specific garden situations.

Where Does Slender Clubmoss Call Home?

This native beauty is found naturally across much of the eastern United States, from Massachusetts down to Florida and west to Texas. You’ll find it growing wild in Alabama, Arkansas, Delaware, Florida, Georgia, Louisiana, Maryland, Massachusetts, Mississippi, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Texas, Virginia, and Puerto Rico.

A Word of Caution: Rarity Matters

Before you get too excited about adding this ancient wonder to your garden, here’s something important to know: slender clubmoss is considered rare in several states. In Arkansas, it has an S1 status (critically imperiled), while New Jersey lists it as S3 (vulnerable). If you’re interested in growing this plant, please only source it from reputable native plant nurseries that propagate it responsibly – never collect it from the wild!

Is Slender Clubmoss Right for Your Garden?

Here’s where things get interesting (and a bit challenging). Slender clubmoss is extremely picky about where it lives, and for good reason – it’s what we call an obligate wetland plant in most regions. This means it almost always needs wet conditions to survive.

Perfect Conditions for Success

If you’re thinking about welcoming slender clubmoss into your landscape, you’ll need:

  • Consistently wet, boggy soil conditions
  • Acidic soil (it loves that bog-like environment)
  • Partial shade to full sun exposure
  • USDA hardiness zones 6-10
  • Patience – this isn’t a fast-growing showstopper

Garden Roles and Design Ideas

Slender clubmoss isn’t going to be the star of your typical perennial border, but it can be absolutely perfect for:

  • Bog gardens and wetland restoration projects
  • Rain gardens in consistently moist areas
  • Educational gardens focused on native plants or plant evolution
  • Specialized collections of primitive plants

Wildlife and Ecological Benefits

While slender clubmoss doesn’t produce showy flowers to attract pollinators, it does play an important ecological role. Its dense, mat-like growth helps prevent soil erosion in wetland areas, and it provides habitat for small insects and other tiny creatures that call boggy areas home.

The Bottom Line

Slender clubmoss is definitely not for everyone – and that’s perfectly okay! This specialized plant requires very specific growing conditions that most home gardens simply can’t provide. However, if you have a naturally wet area in your landscape, are working on a wetland restoration project, or simply love the idea of growing a plant that’s been around for hundreds of millions of years, it might just be the perfect addition to your collection.

Just remember to source it responsibly from reputable native plant nurseries, respect its rarity status, and be prepared to provide the consistently moist conditions it absolutely needs to thrive. Sometimes the most rewarding garden plants are the ones that challenge us to create the perfect little ecosystem just for them!

Slender 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

Lycopodiella Holub - clubmoss

Species

Lycopodiella caroliniana (L.) Pic. Serm. - slender clubmoss

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