North America Native Plant

Warnstorfia Moss

Botanical name: Warnstorfia fluitans var. falcata

USDA symbol: WAFLF2

Habit: nonvascular

Native status: Native to North America  

Synonyms: Drepanocladus fluitans (Hedw.) Warnst. var. falcatus (Sanio ex C.E.O. Jensen) G. Roth (DRFLF)  ⚘  Drepanocladus fluitans (Hedw.) Warnst. var. uncatus H.A. Crum, Steere & L.E. Anderson (DRFLU)  ⚘  Drepanocladus schulzei G. Roth (DRSC4)   

Warnstorfia Moss: A Delicate Native Bryophyte for Your Shade Garden If you’ve ever wandered through a cool, damp forest and noticed tiny, curved leaves forming delicate green carpets on logs and rocks, you might have encountered warnstorfia moss (Warnstorfia fluitans var. falcata). This charming little bryophyte brings a touch of ...

Warnstorfia Moss: A Delicate Native Bryophyte for Your Shade Garden

If you’ve ever wandered through a cool, damp forest and noticed tiny, curved leaves forming delicate green carpets on logs and rocks, you might have encountered warnstorfia moss (Warnstorfia fluitans var. falcata). This charming little bryophyte brings a touch of woodland magic to gardens, though it’s definitely not your typical landscaping plant!

What Exactly Is Warnstorfia Moss?

Warnstorfia moss is a native North American bryophyte – that’s the fancy term for the plant group that includes mosses, liverworts, and hornworts. Unlike the flowering plants we’re used to, this little green wonder doesn’t have roots, stems, or leaves in the traditional sense. Instead, it’s a collection of tiny, herbaceous structures that love to attach themselves to solid surfaces like rocks, logs, or even tree bark.

What makes this particular moss special are its distinctive sickle-shaped (falcate) leaves that give it its scientific variety name. The plant forms loose, delicate mats that add texture and visual interest to shaded areas.

Where Does It Come From?

This moss is a true North American native, with a range extending across the northern regions of the continent. You’ll typically find it in boreal forests and cooler climates, where it thrives in the consistently moist, shaded conditions these areas provide.

Is Warnstorfia Moss Beneficial in Your Garden?

While warnstorfia moss won’t attract pollinators like flowering plants do (mosses reproduce through spores, not flowers), it offers several unique benefits:

  • Creates natural-looking ground cover in shaded areas where grass struggles
  • Adds texture and visual interest to rock gardens and woodland settings
  • Helps retain soil moisture and prevent erosion
  • Provides authentic native character to naturalistic landscapes
  • Requires virtually no maintenance once established

How to Identify Warnstorfia Moss

Spotting this moss in the wild (or in your garden) is all about looking for the right characteristics:

  • Small, curved, sickle-shaped leaves that give the plant its distinctive appearance
  • Loose, mat-like growth pattern rather than dense cushions
  • Preference for attachment to solid surfaces like wood, rocks, or bark
  • Typically found in consistently moist, shaded locations
  • Cool-climate preference – thrives in northern regions

Creating the Right Conditions

If you’re hoping to encourage warnstorfia moss in your garden, think cool forest floor. This moss loves:

  • Consistent moisture (but not waterlogged conditions)
  • Shade or filtered light
  • Cool temperatures
  • Slightly acidic conditions
  • Surfaces to attach to, like rocks or decaying wood

Keep in mind that this is primarily a northern species, thriving in USDA hardiness zones 2-6. If you live in warmer climates, this moss likely won’t be happy in your garden.

The Bottom Line

Warnstorfia moss isn’t for everyone, but if you’re creating a naturalistic woodland garden in a cooler climate and want authentic native ground cover, this delicate bryophyte could be a wonderful addition. Just remember – patience is key with mosses, and you’ll need to provide the consistently cool, moist, shaded conditions this little plant craves.

While you probably won’t find this moss at your local garden center, you might discover it naturally establishing itself if you create the right habitat. And sometimes, the best garden plants are the ones that choose you!

Warnstorfia Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Hypnales

Family

Amblystegiaceae Kindb.

Genus

Warnstorfia Loeske - warnstorfia moss

Species

Warnstorfia fluitans (Hedw.) Loeske - warnstorfia moss

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