North America Native Plant

Undulate Neckeropsis Moss

Botanical name: Neckeropsis undulata

USDA symbol: NEUN2

Habit: nonvascular

Native status: Native to North America  

Synonyms: Neckera undulata Hedw. (NEUN3)   

Undulate Neckeropsis Moss: A Wavy Wonder for Your Woodland Garden If you’ve ever wandered through a shaded forest and noticed those gorgeous, rippling carpets of green moss coating logs and rocks, you might have encountered the charming undulate neckeropsis moss (Neckeropsis undulata). This native North American moss gets its name ...

Undulate Neckeropsis Moss: A Wavy Wonder for Your Woodland Garden

If you’ve ever wandered through a shaded forest and noticed those gorgeous, rippling carpets of green moss coating logs and rocks, you might have encountered the charming undulate neckeropsis moss (Neckeropsis undulata). This native North American moss gets its name from its distinctive wavy, undulating leaf patterns that create beautiful textural interest in natural settings.

What Exactly Is Undulate Neckeropsis Moss?

Undulate neckeropsis moss is a bryophyte – one of those ancient, non-flowering plants that includes mosses, liverworts, and hornworts. Unlike your typical garden plants, this moss doesn’t have true roots, stems, or leaves in the traditional sense. Instead, it’s a simple but elegant organism that forms lush, green mats wherever conditions are just right.

You might also see this moss listed under its scientific synonym, Neckera undulata, in older botanical references. But don’t let the fancy names intimidate you – this is simply a beautiful, low-maintenance addition to any shade garden.

Where Does This Moss Call Home?

This delightful moss is native to North America, where it naturally thrives in the understory of temperate forests. You’ll typically find it decorating the eastern regions of the continent, from southern Canada down through parts of the United States.

How to Spot Undulate Neckeropsis Moss

The key to identifying this moss lies in its name – those distinctive undulating, wave-like patterns in its foliage. Here’s what to look for:

  • Wavy, rippled appearance that gives the moss its undulate name
  • Rich green color that stays vibrant in shaded conditions
  • Forms spreading mats rather than upright clumps
  • Typically grows on rocks, fallen logs, tree bases, or occasionally soil
  • Thrives in consistently moist, shaded environments

Is This Moss Beneficial for Your Garden?

Absolutely! While undulate neckeropsis moss won’t attract bees or butterflies like flowering plants do, it offers plenty of other garden benefits:

  • Natural ground cover: Creates beautiful, living carpets in areas where grass struggles
  • Moisture retention: Helps maintain soil humidity and prevents erosion
  • Wildlife habitat: Provides shelter for tiny creatures like springtails and other beneficial insects
  • Low maintenance: Once established, requires virtually no care
  • Year-round interest: Stays green through most seasons, adding color when other plants are dormant

Perfect Spots for Undulate Neckeropsis Moss

This moss is particularly well-suited for:

  • Woodland and shade gardens
  • Rock gardens with consistent moisture
  • Areas around water features
  • North-facing slopes and foundations
  • Naturalistic landscapes that mimic forest floors

Creating the Right Conditions

If you’re hoping to encourage this moss in your garden, focus on recreating its natural habitat:

  • Shade: Prefers dappled to full shade conditions
  • Moisture: Needs consistent (but not waterlogged) moisture
  • Surface: Loves to grow on rocks, logs, or well-draining soil
  • Clean air: Like most mosses, it’s sensitive to air pollution

The Bottom Line

Undulate neckeropsis moss might not be the showiest plant in your garden, but it’s definitely one of the most reliable and charming. If you have shady, moist areas where other plants struggle, this native moss could be exactly what you need to create a lush, forest-like atmosphere. Plus, you’ll be supporting native biodiversity while enjoying a truly low-maintenance ground cover that’s been perfecting its craft for millions of years!

Remember, mosses generally establish themselves naturally when conditions are right, so patience is key. Create the right environment, and this beautiful moss may just find its way to your garden on its own.

Undulate Neckeropsis Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Leucodontales

Family

Neckeraceae Schimp.

Genus

Neckeropsis Reichardt - neckeropsis moss

Species

Neckeropsis undulata (Hedw.) Reichardt - undulate neckeropsis moss

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