North America Native Plant

Wideleaf Cinclidium Moss

Botanical name: Cinclidium latifolium

USDA symbol: CILA70

Habit: nonvascular

Native status: Native to North America  

Wideleaf Cinclidium Moss: A Tiny Arctic Beauty You’ll Probably Never Grow Meet wideleaf cinclidium moss (Cinclidium latifolium), one of those fascinating little plants that most gardeners will never encounter in person, but that plays an important role in some of North America’s most challenging environments. This diminutive moss might not ...

Wideleaf Cinclidium Moss: A Tiny Arctic Beauty You’ll Probably Never Grow

Meet wideleaf cinclidium moss (Cinclidium latifolium), one of those fascinating little plants that most gardeners will never encounter in person, but that plays an important role in some of North America’s most challenging environments. This diminutive moss might not be destined for your backyard border, but it’s worth getting to know—if only to appreciate the incredible diversity of plant life that calls our continent home.

What Exactly Is Wideleaf Cinclidium Moss?

Wideleaf cinclidium moss is a bryophyte—that’s the fancy scientific term for the group that includes mosses, liverworts, and hornworts. Like all mosses, it’s a non-flowering plant that reproduces through spores rather than seeds. This particular species is characterized by its relatively broad leaves (hence the wideleaf part of its name) that form small, neat rosettes.

As a terrestrial moss, Cinclidium latifolium grows on solid surfaces like rocks, fallen logs, or sometimes directly on soil. It’s herbaceous, meaning it stays green and soft rather than developing woody stems like trees and shrubs.

Where Does It Call Home?

This hardy little moss is native to North America, specifically the frigid arctic and subarctic regions. You’ll find it naturally occurring in Alaska and the northern reaches of Canada, where it has adapted to survive in some pretty brutal conditions that would make most garden plants throw in the trowel.

Could This Moss Benefit Your Garden?

Here’s the thing about wideleaf cinclidium moss—unless you’re gardening in zone 1 or 2 (and if you are, you have our utmost respect), this moss isn’t going to be part of your landscape plans. It’s adapted to extremely cold conditions and simply won’t survive in most temperate gardens.

However, if you do live in an area where this moss occurs naturally, it can provide some subtle benefits:

  • Helps prevent soil erosion on rocky surfaces
  • Provides habitat for tiny invertebrates
  • Adds texture and interest to natural rock formations
  • Contributes to the overall ecosystem health of arctic environments

While mosses don’t produce flowers to attract pollinators, they do support microscopic wildlife and contribute to the complex web of life in their native habitats.

How to Identify Wideleaf Cinclidium Moss

If you’re lucky enough to be exploring the far northern wilderness where this moss grows, here’s what to look for:

  • Small rosettes of relatively broad, green leaves
  • Low-growing habit, staying close to its rocky or woody substrate
  • Preference for well-drained but consistently moist locations
  • Often found in company with other arctic and alpine plant species

The Bottom Line for Gardeners

Wideleaf cinclidium moss is one of those plants that’s best appreciated from afar—or through nature documentaries and botanical field guides. While it’s a fascinating example of how plants can adapt to extreme conditions, it’s not practical or possible for most gardeners to cultivate.

If you’re interested in incorporating mosses into your garden, look for species that are better suited to your climate zone and growing conditions. Many temperate moss species can add wonderful texture and year-round green color to shady spots, rock gardens, and naturalistic landscapes—just not this particular arctic specialist.

Sometimes the most valuable role a plant can play is simply existing in its natural habitat, quietly doing its part to maintain the incredible diversity of life on our planet. And that’s perfectly fine by us.

Wideleaf Cinclidium Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Bryales

Family

Mniaceae Schwägr.

Genus

Cinclidium Sw. - cinclidium moss

Species

Cinclidium latifolium Lindb. - wideleaf cinclidium moss

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