North America Native Plant

Reese’s Fissidens Moss

Botanical name: Fissidens reesei

USDA symbol: FIRE6

Habit: nonvascular

Native status: Native to North America  

Reese’s Fissidens Moss: A Rare Native Treasure for Your Garden Have you ever wondered about those tiny, delicate green carpets that appear in the shadiest corners of your garden? Meet Reese’s fissidens moss (Fissidens reesei), a fascinating native North American species that’s as charming as it is uncommon. This little ...

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) ⚘

Reese’s Fissidens Moss: A Rare Native Treasure for Your Garden

Have you ever wondered about those tiny, delicate green carpets that appear in the shadiest corners of your garden? Meet Reese’s fissidens moss (Fissidens reesei), a fascinating native North American species that’s as charming as it is uncommon. This little moss might just be the perfect addition to your naturalistic landscape – if you can find it responsibly sourced!

What Exactly is Reese’s Fissidens Moss?

Reese’s fissidens moss is a terrestrial moss species that belongs to the fascinating world of bryophytes – those ancient, non-flowering plants that have been quietly carpeting our planet for millions of years. Unlike typical garden plants, this moss is herbaceous and tends to attach itself to solid surfaces like rocks, fallen logs, or tree bark rather than growing directly in soil.

What makes this moss particularly special is its distinctive growth pattern. The leaves arrange themselves in a flattened, two-ranked pattern that creates an almost feathery appearance when viewed up close. It’s like nature’s own miniature fern!

Where Does This Moss Call Home?

This moss is native to North America, though its exact geographical distribution remains somewhat mysterious to researchers. What we do know is that it’s not commonly encountered, making any sighting a real treat for moss enthusiasts and native plant lovers alike.

A Word of Caution: Rarity Matters

Here’s where things get important: Reese’s fissidens moss has a Global Conservation Status of S2?, which indicates it’s quite rare. This means if you’re lucky enough to encounter this moss in the wild, it’s best to admire it from a distance and resist the urge to harvest it for your garden.

If you’re absolutely determined to include this species in your landscape, make sure you source it from reputable native plant suppliers who can guarantee their material was ethically propagated, not wild-collected.

Is This Moss Beneficial for Your Garden?

Absolutely! While Reese’s fissidens moss might not attract pollinators like flowering plants do (mosses don’t produce flowers), it offers other valuable benefits:

  • Creates a living mulch that helps retain soil moisture
  • Provides habitat for tiny beneficial insects and microorganisms
  • Adds year-round green color to shaded areas where little else will grow
  • Helps prevent soil erosion on slopes and around tree bases
  • Requires no fertilizers or pesticides – it’s completely low-maintenance once established

Perfect Spots for This Moss

If you’re designing a woodland garden or working with challenging shady spots, this moss could be your new best friend. It thrives in:

  • Consistently moist, shaded areas
  • Rock gardens with good air circulation
  • Along pathway edges in wooded settings
  • Around the base of mature trees
  • On or near fallen logs and natural wood features

How to Identify Reese’s Fissidens Moss

Spotting this moss in the wild requires a keen eye and possibly a magnifying glass! Look for these identifying features:

  • Small size – typically forming low, compact patches
  • Distinctive two-ranked leaf arrangement (leaves arranged in two rows along the stem)
  • Flattened appearance that looks almost like tiny, green feathers
  • Preference for attachment to hard surfaces rather than growing in soil
  • Deep green coloration that stays vibrant year-round

Creating the Right Conditions

While you shouldn’t collect this moss from the wild, understanding its preferred growing conditions can help you create suitable habitat in your garden for other native moss species:

  • Provide consistent shade – morning sun is okay, but avoid hot afternoon sun
  • Maintain steady moisture without waterlogging
  • Ensure good air circulation to prevent stagnant conditions
  • Avoid using chemical fertilizers or pesticides in the area
  • Be patient – mosses grow slowly but are incredibly long-lived once established

The Bottom Line

Reese’s fissidens moss is a remarkable native species that showcases the incredible diversity of North American plant life. While its rarity means you should think twice before trying to cultivate it, learning to identify and appreciate this moss can deepen your connection to the natural world right in your own backyard.

Consider it a bonus prize – if this moss decides to make itself at home in your garden naturally, you’ll know you’ve created an exceptionally healthy, native-friendly environment. And that’s something worth celebrating!

Reese’s 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 reesei H.A. Crum & L.E. Anderson - Reese's 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