North America Native Plant

Cephaloziella Uncinata

Botanical name: Cephaloziella uncinata

USDA symbol: CEUN4

Habit: nonvascular

Native status: Native to North America  

Discovering Cephaloziella uncinata: A Tiny Native Liverwort in Your Garden Have you ever noticed tiny, almost invisible green patches growing on rocks, fallen logs, or moist soil in your garden? You might be looking at Cephaloziella uncinata, one of North America’s native liverworts that quietly goes about its business in ...

Rare plant alert!

Region: Conservation status by state

Status: S2S4: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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 ⚘

Discovering Cephaloziella uncinata: A Tiny Native Liverwort in Your Garden

Have you ever noticed tiny, almost invisible green patches growing on rocks, fallen logs, or moist soil in your garden? You might be looking at Cephaloziella uncinata, one of North America’s native liverworts that quietly goes about its business in the most humble corners of our landscapes.

What Exactly Is Cephaloziella uncinata?

Cephaloziella uncinata is a liverwort – a type of simple, non-flowering plant that’s been around for millions of years. Think of liverworts as the quiet cousins of mosses. While this particular species doesn’t have a widely recognized common name, it belongs to a fascinating group of plants that are among Earth’s earliest land dwellers.

This tiny liverwort is so small you’ll need to look closely to spot it. We’re talking about growths that are typically only 1-2 millimeters wide – barely visible to the naked eye! It forms small, flattened green patches or scattered individual shoots that hug tightly to whatever surface they’re growing on.

Where You’ll Find This Native Beauty

As a native North American species, Cephaloziella uncinata has been quietly inhabiting our continent’s landscapes long before any of us started gardening. It can be found across various regions, from temperate zones to cooler, subarctic areas, adapting to local conditions wherever moisture and suitable substrates are available.

Conservation Status: A Species to Appreciate

Here’s something important to know: Cephaloziella uncinata has a Global Conservation Status of S2S4, which indicates it may be uncommon to fairly common depending on the region. This reminds us that even the smallest, most overlooked plants play important roles in our ecosystems and deserve our respect and protection.

Is This Liverwort Beneficial to Your Garden?

While you won’t be rushing to the nursery to buy Cephaloziella uncinata (it’s not exactly available for purchase!), this little liverwort can actually be a positive sign in your garden. Here’s why:

  • It indicates healthy, moist conditions in your garden ecosystem
  • It contributes to biodiversity by providing habitat for microscopic organisms
  • It helps prevent soil erosion on a tiny scale
  • It’s part of the natural succession process that enriches soil over time

How to Identify Cephaloziella uncinata

Spotting this tiny liverwort requires a keen eye and maybe even a magnifying glass! Here’s what to look for:

  • Size: Extremely small – individual shoots are only 1-2mm wide
  • Color: Various shades of green, depending on moisture and light conditions
  • Shape: Flattened, often forming small patches or scattered individual growths
  • Habitat: Look on moist soil, rotting wood, rocks, tree bases, and other damp surfaces
  • Texture: Smooth and flat against the surface it’s growing on

Creating Conditions Where It Might Naturally Appear

While you can’t plant Cephaloziella uncinata intentionally, you can create garden conditions that support native liverworts and other beneficial small plants:

  • Maintain areas of consistent moisture without waterlogging
  • Leave some fallen logs or branches to decompose naturally
  • Create shaded, humid microclimates under trees or shrubs
  • Avoid using harsh chemicals that might disrupt delicate plant communities
  • Consider having some bare soil or rock surfaces where these tiny plants can establish

The Bigger Picture

Finding Cephaloziella uncinata in your garden is like discovering a hidden treasure – it means you’re providing habitat for some of our continent’s most ancient plant lineages. While it may not have the showy appeal of wildflowers or the dramatic presence of native trees, this tiny liverwort represents the incredible diversity that makes native ecosystems so resilient and fascinating.

So next time you’re wandering through your garden, take a moment to appreciate the small things. You might just spot this remarkable little native doing its quiet work of making your garden a more complete and healthy ecosystem.

Cephaloziella Uncinata

Classification

Group

Liverwort

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Hepaticophyta - Liverworts

Subdivision

Hepaticae

Class

Hepaticopsida

Subclass

Jungermanniae

Order

Jungermanniales

Family

Cephaloziellaceae Douin

Genus

Cephaloziella (Spruce) Schiffn., nom. cons.

Species

Cephaloziella uncinata R.M. Schust.

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