North America Native Plant

Cephaloziella Integerrima

Botanical name: Cephaloziella integerrima

USDA symbol: CEIN13

Habit: nonvascular

Native status: Native to North America  

Discovering Cephaloziella integerrima: A Tiny Native Liverwort in Your Garden Have you ever wondered about those tiny, green, moss-like patches you might spot in the shadier corners of your garden? You might be looking at a liverwort – and possibly even the diminutive Cephaloziella integerrima, a fascinating native North American ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘

Discovering Cephaloziella integerrima: A Tiny Native Liverwort in Your Garden

Have you ever wondered about those tiny, green, moss-like patches you might spot in the shadier corners of your garden? You might be looking at a liverwort – and possibly even the diminutive Cephaloziella integerrima, a fascinating native North American species that’s probably been quietly living in your landscape longer than you’ve been gardening there.

What Exactly Is Cephaloziella integerrima?

Cephaloziella integerrima is a leafy liverwort – one of those ancient, non-flowering plants that have been around for hundreds of millions of years. Think of liverworts as the quiet cousins of mosses, but with their own unique charm and ecological role. This particular species is native to North America, making it a legitimate member of your local ecosystem, even if you never invited it to the party.

Unlike the flashy flowering plants we typically focus on in our gardens, liverworts are incredibly small and understated. Cephaloziella integerrima forms thin, delicate mats that you’d need a magnifying glass to truly appreciate. It’s herbaceous and tends to attach itself to solid surfaces like rocks, fallen logs, or even the bark of living trees rather than growing directly in soil.

Geographic Distribution

While we know Cephaloziella integerrima calls North America home, the specific details of its range remain somewhat mysterious in botanical literature. This tiny liverwort likely has a broader distribution than we realize, simply because it’s so small and often overlooked during plant surveys.

Conservation Status: A Plant Worth Protecting

Here’s where things get interesting – and important. Cephaloziella integerrima has a global conservation status of S3?, which indicates some level of concern about its populations, though the exact status remains undefined. This uncertainty makes it all the more valuable when you encounter it naturally in your landscape.

If you’re fortunate enough to have this liverwort growing naturally on your property, consider yourself a steward of a potentially uncommon species. The question mark in its status rating suggests that researchers simply don’t have enough data yet – which makes every naturally occurring population precious.

Is This Liverwort Beneficial for Your Garden?

While Cephaloziella integerrima won’t attract butterflies or produce showy blooms, it serves several subtle but important functions:

  • Helps retain moisture in shaded areas of your garden
  • Contributes to the biodiversity of your local ecosystem
  • Indicates healthy, stable environmental conditions
  • Provides habitat for microscopic soil organisms
  • Helps prevent erosion on slopes and around trees

Think of liverworts like Cephaloziella integerrima as nature’s quiet maintenance crew – they’re working behind the scenes to keep your garden’s ecosystem healthy and balanced.

How to Identify Cephaloziella integerrima

Identifying this particular liverwort species requires some patience and ideally a hand lens or magnifying glass. Here’s what to look for:

  • Extremely small size – individual plants are just a few millimeters
  • Thin, mat-like growth pattern
  • Preference for attachment to rocks, wood, or tree bark rather than soil
  • Thrives in consistently moist, shaded locations
  • Green color that may appear almost translucent
  • Lacks the more obvious leaf structures you’d see in mosses

Honestly, definitively identifying Cephaloziella integerrima often requires expert knowledge and sometimes even microscopic examination, so don’t feel discouraged if you can’t be certain you’ve found it.

Encouraging Liverworts in Your Garden

Rather than trying to cultivate Cephaloziella integerrima directly (which isn’t really practical), you can create conditions that welcome liverworts in general:

  • Maintain shaded, moist areas in your garden
  • Leave some fallen logs or branches to decompose naturally
  • Avoid using harsh chemicals that might harm these sensitive plants
  • Consider adding natural stone features that can provide attachment sites
  • Keep some areas of your garden wilder and less manicured

A Word About Conservation

Given the uncertain conservation status of Cephaloziella integerrima, it’s important to appreciate rather than collect these tiny plants. If you find what you believe might be this species, take photos and enjoy observing it in place. These ancient plants have survived for millions of years by finding their perfect niches – let’s help them continue that impressive streak.

The world of liverworts might seem microscopic and irrelevant to everyday gardening, but species like Cephaloziella integerrima remind us that biodiversity exists at every scale. Sometimes the most important garden residents are the ones we barely notice – quietly doing their part to keep the whole system running smoothly.

Cephaloziella Integerrima

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 integerrima (Lindb.) Warnst.

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