North America Native Plant

Riccardia Multifida Synoica

Botanical name: Riccardia multifida synoica

USDA symbol: RIMUS

Habit: nonvascular

Native status: Native to North America  

Riccardia multifida synoica: A Mysterious North American Liverwort If you’ve stumbled across the name Riccardia multifida synoica in your gardening research, you’ve encountered one of the more puzzling entries in the world of native plants. This tiny bryophyte—part of the liverwort family—represents the often-overlooked microscopic landscape that thrives right under ...

Riccardia multifida synoica: A Mysterious North American Liverwort

If you’ve stumbled across the name Riccardia multifida synoica in your gardening research, you’ve encountered one of the more puzzling entries in the world of native plants. This tiny bryophyte—part of the liverwort family—represents the often-overlooked microscopic landscape that thrives right under our noses.

What Exactly Is This Little Green Wonder?

Riccardia multifida synoica belongs to the fascinating world of liverworts, those ancient green plants that have been quietly carpeting our planet for over 400 million years. Unlike the flashy flowers and towering trees that usually grab our attention, liverworts are the humble homebodies of the plant kingdom—small, low-growing, and perfectly content to live their lives attached to rocks, fallen logs, or tree bark.

These aren’t your typical garden plants. Liverworts are non-vascular, meaning they don’t have the internal plumbing system (xylem and phloem) that most plants use to transport water and nutrients. Instead, they absorb what they need directly through their surfaces, which is why you’ll often find them in consistently moist environments.

Where You Might Encounter This Native

As a North American native, this liverwort calls our continent home, though the specific regions where it thrives remain something of a botanical mystery. Like many of its bryophyte cousins, it likely prefers shaded, humid spots where it can maintain the moisture it needs to survive.

Is It Beneficial for Your Garden?

Here’s where liverworts get interesting from a gardener’s perspective. While you probably won’t be planting them intentionally, these tiny organisms can actually be indicators of a healthy garden ecosystem. Their presence often signals:

  • Good air quality in your garden space
  • Adequate moisture levels
  • A balanced, chemical-free environment
  • Healthy soil conditions

Liverworts also contribute to their environment by helping to retain soil moisture, prevent erosion on a micro-scale, and provide habitat for tiny insects and other microscopic life forms that form the foundation of healthy garden ecosystems.

How to Identify Liverworts in Your Garden

Spotting liverworts requires getting up close and personal with your garden’s quieter corners. Look for:

  • Small, flat, green growths on moist rocks, logs, or tree bark
  • Leaf-like structures that may appear layered or overlapping
  • A somewhat translucent appearance
  • Growth in shaded, consistently moist areas
  • Tiny, often intricate patterns that become visible with close examination

The specific identification of Riccardia multifida synoica would require microscopic examination and expertise in bryophyte taxonomy—definitely a job for the specialists!

The Mystery Factor

It’s worth noting that this particular name appears to be quite elusive in current botanical literature. The world of bryophyte taxonomy is complex and ever-evolving, with names and classifications that sometimes exist in specialized databases or historical records without widespread documentation. If you’ve encountered this name, you might be dealing with an outdated classification, a regional variant, or simply a very rare and understudied species.

Should You Worry About It?

Not at all! If you discover liverworts growing naturally in your garden, consider yourself lucky to be hosting these ancient little survivors. They’re not invasive in the traditional sense—they don’t take over garden beds or crowd out your prized perennials. Instead, they quietly go about their business in the background, contributing to the complex web of life that makes gardens thrive.

The best approach is simply to appreciate them as part of your garden’s natural diversity. Avoid using harsh chemicals that might harm these sensitive indicators of environmental health, and perhaps take a moment to marvel at the fact that these tiny plants have been perfecting their survival strategies since long before flowers even existed.

After all, every garden needs a little mystery, and Riccardia multifida synoica certainly provides that in spades!

Riccardia Multifida Synoica

Classification

Group

Liverwort

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Hepaticophyta - Liverworts

Subdivision

Hepaticae

Class

Hepaticopsida

Subclass

Jungermanniae

Order

Metzgeriales

Family

Aneuraceae H. Klinggr.

Genus

Riccardia A. Gray, nom. cons.

Species

Riccardia multifida (L.) A. Gray

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