North America Native Plant

Mesa Spikemoss

Botanical name: Selaginella cinerascens

USDA symbol: SECI

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Mesa Spikemoss: A Tiny Ancient Wonder for Modern Gardens Meet mesa spikemoss (Selaginella cinerascens), a fascinating little plant that’s been around since before dinosaurs roamed the Earth! This isn’t your typical garden plant – it’s actually a lycopod, one of the most ancient groups of vascular plants on our planet. ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Mesa Spikemoss: A Tiny Ancient Wonder for Modern Gardens

Meet mesa spikemoss (Selaginella cinerascens), a fascinating little plant that’s been around since before dinosaurs roamed the Earth! This isn’t your typical garden plant – it’s actually a lycopod, one of the most ancient groups of vascular plants on our planet. While it might look like moss at first glance, mesa spikemoss is quite different and brings a unique prehistoric charm to any garden.

What Exactly Is Mesa Spikemoss?

Despite its common name, mesa spikemoss isn’t a true moss at all. It’s a spikemoss, which belongs to an ancient plant family that reproduces through spores rather than seeds or flowers. Think of it as a living fossil that has been perfecting the art of survival for millions of years! This perennial forms small, intricate carpets of tiny, scale-like leaves that create a delicate, almost ethereal appearance.

Mesa spikemoss is classified as a forb – a vascular plant without significant woody tissue that stays relatively close to the ground. Its small stature and unique texture make it stand out among more common garden plants.

Where Does It Call Home?

This native California beauty has adapted to life in the Golden State’s diverse landscapes. You’ll find mesa spikemoss naturally growing in California’s drier regions, where it has learned to thrive in challenging conditions that would stress out many other plants.

Is Mesa Spikemoss Right for Your Garden?

Here’s where things get interesting – mesa spikemoss has a Global Conservation Status of S3S4, which suggests it may face some conservation concerns. If you’re thinking about adding this unique plant to your garden, make sure you source it responsibly from reputable native plant nurseries rather than collecting it from the wild.

This plant is perfect for gardeners who:

  • Want to create a drought-tolerant landscape
  • Are interested in native California plants
  • Love unique textures and forms
  • Enjoy rock gardens or xeriscaping
  • Want to support local ecosystems

Garden Design and Landscape Role

Mesa spikemoss works beautifully as a living mulch or ground cover in rock gardens, where its small scale and intricate detail can be appreciated up close. It’s also fantastic for xeriscaping projects, adding texture and interest without requiring much water. Consider using it between stepping stones, in crevices of rock walls, or as an accent plant in containers.

This plant shines in:

  • Native plant gardens
  • Rock gardens and alpine-style landscapes
  • Drought-tolerant landscapes
  • Container gardens
  • Areas where you want low-maintenance ground cover

Growing Conditions and Care

The beauty of mesa spikemoss lies in its low-maintenance nature. This tough little plant prefers well-draining soil and can handle periods of drought once established. It typically thrives in USDA hardiness zones 8-10, making it suitable for warmer regions.

For best results:

  • Plant in well-draining soil (rocky or sandy soil works great)
  • Provide partial shade to full sun exposure
  • Water sparingly – overwatering is more harmful than underwatering
  • Protect from extreme cold in zone 8
  • Avoid areas with poor drainage or standing water

Identifying Mesa Spikemoss

Look for these key features to identify mesa spikemoss:

  • Tiny, scale-like leaves arranged in overlapping patterns
  • Low-growing, carpet-like growth habit
  • Grayish-green coloration (the cinerascens in its name means becoming gray)
  • No flowers – instead, look for small cone-like structures containing spores
  • Delicate, almost feathery appearance despite being quite hardy

A Living Connection to Ancient Times

Growing mesa spikemoss isn’t just about adding an interesting plant to your garden – it’s about connecting with an ancient lineage that has witnessed the rise and fall of countless other species. This little survivor brings a piece of prehistoric California to your backyard, all while requiring minimal care and water.

Whether you’re a native plant enthusiast, a lover of unusual textures, or someone seeking truly low-maintenance landscaping options, mesa spikemoss offers something special. Just remember to source it responsibly and give it the well-draining conditions it craves. Your garden will thank you for this unique addition that’s both ancient and perfectly modern!

Mesa Spikemoss

Classification

Group

Lycopod

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Lycopodiophyta - Lycopods

Subdivision
Class

Lycopodiopsida

Subclass
Order

Selaginellales

Family

Selaginellaceae Willk. - Spike-moss family

Genus

Selaginella P. Beauv. - spikemoss

Species

Selaginella cinerascens A.A. Eaton - mesa spikemoss

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