North America Native Plant

Fissidens Moss

Botanical name: Fissidens closteri

USDA symbol: FICL2

Habit: nonvascular

Native status: Native to North America  

Fissidens Moss: A Rare Native Treasure for Your Shade Garden If you’ve ever wandered through a quiet woodland and noticed tiny, fern-like plants carpeting logs and rocks, you might have encountered the delicate world of Fissidens moss. Today, we’re diving into one particular species that’s both beautiful and uncommon: Fissidens ...

Rare plant alert!

Region: Conservation status by state

Status: S2?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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) ⚘

Fissidens Moss: A Rare Native Treasure for Your Shade Garden

If you’ve ever wandered through a quiet woodland and noticed tiny, fern-like plants carpeting logs and rocks, you might have encountered the delicate world of Fissidens moss. Today, we’re diving into one particular species that’s both beautiful and uncommon: Fissidens closteri, commonly known as fissidens moss.

What Exactly Is Fissidens Moss?

Fissidens closteri belongs to the fascinating world of bryophytes – those ancient, non-flowering plants that include mosses, liverworts, and hornworts. This particular moss is native to North America and stands out from its cousins with its distinctive growth pattern. Unlike many mosses that form cushiony mounds, fissidens moss creates flat, almost fern-like arrangements of leaves that are organized in two neat rows.

As a terrestrial species, this moss prefers to make its home on solid surfaces like rocks, fallen logs, and sometimes tree bark, rather than growing directly in soil. It’s completely herbaceous, meaning it stays green and soft throughout its growing season.

Where Does Fissidens Moss Call Home?

This native moss has made its home across North America, though specific distribution details for Fissidens closteri remain somewhat mysterious in the botanical world. Like many moss species, it tends to favor the quieter, shadier corners of our continent’s forests and woodlands.

A Word of Caution: Rarity Matters

Here’s something important every gardener should know: Fissidens closteri carries a Global Conservation Status of S2?, which indicates it may be rare or uncommon. While the question mark suggests some uncertainty in this classification, it’s a reminder that this isn’t your everyday, run-of-the-mill moss.

If you’re interested in incorporating this species into your garden, please make sure any material you acquire comes from responsible, ethical sources. Wild collection of rare plants can harm already vulnerable populations.

Is Fissidens Moss Beneficial in Gardens?

Absolutely! While this moss won’t attract pollinators (mosses don’t produce flowers), it offers several garden benefits:

  • Creates natural-looking ground cover in shaded areas
  • Helps retain moisture in the soil
  • Adds textural interest with its unique leaf arrangement
  • Supports the overall ecosystem by providing habitat for tiny creatures
  • Requires virtually no maintenance once established

How to Identify Fissidens Moss

Spotting Fissidens closteri in the wild (or in your garden) is all about looking for those telltale characteristics:

  • Small, delicate moss with a distinctly flattened appearance
  • Leaves arranged in two rows, creating a fern-like or feathery pattern
  • Typically found growing on rocks, logs, or other solid surfaces
  • Prefers shaded, moist environments
  • Forms small patches rather than extensive carpets

Creating the Right Environment

If you’re lucky enough to find ethically sourced Fissidens closteri, here’s how to give it the best chance of thriving:

This moss craves shade and consistent moisture. Think of the conditions you’d find on the north side of a rock in a forest – that’s the sweet spot. It prefers to attach to solid surfaces, so consider placing it near rocks, fallen logs, or even concrete surfaces in your shade garden.

High humidity is key, so areas near water features or in naturally damp spots work wonderfully. Once established, fissidens moss is remarkably low-maintenance, asking for little more than to be left alone to do its quiet, beautiful work.

The Bottom Line

Fissidens closteri represents one of nature’s more subtle masterpieces – a tiny moss that creates intricate patterns and adds authentic woodland character to shade gardens. While its potential rarity means we should approach it with respect and responsibility, it can be a wonderful addition to naturalistic landscapes for those who can source it ethically.

Remember, gardening with native plants isn’t just about what looks good – it’s about supporting and preserving the intricate web of life that makes our ecosystems thrive. Sometimes the smallest plants make the biggest difference.

Fissidens Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Fissidentales

Family

Fissidentaceae Schimp.

Genus

Fissidens Hedw. - fissidens moss

Species

Fissidens closteri Austin - fissidens moss

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