North America Native Plant

Dicranum Moss

Botanical name: Dicranum majus var. orthophyllum

USDA symbol: DIMAO

Habit: nonvascular

Native status: Native to North America  

Dicranum Moss: A Native Bryophyte for Your Garden Ecosystem Meet Dicranum majus var. orthophyllum, commonly known as dicranum moss – a fascinating little green carpet-maker that’s been quietly doing its thing in North American landscapes long before we started thinking about native gardening. This unassuming bryophyte might not win any ...

Dicranum Moss: A Native Bryophyte for Your Garden Ecosystem

Meet Dicranum majus var. orthophyllum, commonly known as dicranum moss – a fascinating little green carpet-maker that’s been quietly doing its thing in North American landscapes long before we started thinking about native gardening. This unassuming bryophyte might not win any flower show ribbons, but it plays a surprisingly important role in healthy ecosystems.

What Exactly Is Dicranum Moss?

Dicranum moss belongs to that ancient group of plants called bryophytes – think of them as the wise elders of the plant kingdom. Unlike their flashier flowering cousins, mosses like this one are herbaceous plants that prefer to keep things simple. They’re often found cozied up to rocks, fallen logs, or other solid surfaces rather than growing directly in soil.

This particular variety is native to North America, making it a legitimate member of your local plant community. While we don’t have detailed information about its exact geographic range, dicranum mosses are generally found across various North American regions.

Is This Moss Good for Your Garden?

Here’s where things get interesting! While you probably won’t be rushing to your local nursery to buy dicranum moss (spoiler alert: they probably don’t carry it anyway), this little green wonder can actually be quite beneficial if it decides to make itself at home in your garden naturally.

Mosses like dicranum serve several ecological functions:

  • They help prevent soil erosion
  • They retain moisture in the landscape
  • They provide habitat for tiny creatures you never knew existed
  • They add a lovely, soft texture to natural areas

How to Spot Dicranum Moss

Identifying this moss can be tricky since it’s part of a large family of similar-looking species. As a terrestrial moss, you’ll typically find it growing on solid surfaces rather than floating around in water. It forms low, carpet-like patches and has that classic moss appearance – small, densely packed leaves that create a soft, green mat.

The best approach to identification is to observe where it’s growing (usually on rocks, logs, or bark) and note its growth pattern. However, for precise identification of this specific variety, you’d need to consult with a bryologist or moss specialist, as the distinguishing features are quite subtle.

Should You Encourage It in Your Garden?

If dicranum moss shows up in your garden naturally, consider yourself lucky! Rather than trying to cultivate it (which is notoriously difficult with most mosses), simply appreciate it for what it brings to your landscape. You can encourage its presence by:

  • Maintaining moist, shaded conditions where it appears
  • Avoiding disturbing the areas where it grows
  • Keeping chemical fertilizers and pesticides away from moss areas
  • Allowing natural debris like fallen branches to remain as potential moss habitat

Remember, mosses march to their own drummer. They’ll grow where conditions suit them, and trying to force them elsewhere rarely works. The best approach is to create the kind of natural, undisturbed spaces where native mosses feel at home and let them work their quiet magic.

Dicranum Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Dicranales

Family

Dicranaceae Schimp.

Genus

Dicranum Hedw. - dicranum moss

Species

Dicranum majus Sm. - dicranum moss

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