North America Native Plant

Schofield’s Andreaea Moss

Botanical name: Andreaea schofieldiana

USDA symbol: ANSC11

Habit: nonvascular

Native status: Native to North America  

Discovering Schofield’s Andreaea Moss: A Rare Rock-Dwelling Beauty Meet Schofield’s andreaea moss (Andreaea schofieldiana), a fascinating little moss that’s more elusive than a garden gnome playing hide-and-seek! This native North American moss belongs to a special group of rock mosses that have mastered the art of making themselves at home ...

Rare plant alert!

Region: Conservation status by state

Status: S2S3: Status is uncertain but is somewhere between the following rankings: 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) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Discovering Schofield’s Andreaea Moss: A Rare Rock-Dwelling Beauty

Meet Schofield’s andreaea moss (Andreaea schofieldiana), a fascinating little moss that’s more elusive than a garden gnome playing hide-and-seek! This native North American moss belongs to a special group of rock mosses that have mastered the art of making themselves at home on the most unlikely surfaces.

What Exactly Is Schofield’s Andreaea Moss?

Andreaea schofieldiana is what botanists call a bryophyte – basically, it’s part of that ancient family of plants that includes mosses, liverworts, and hornworts. Think of it as one of nature’s original ground cover specialists, except this particular specialist prefers the hard life, literally! Rather than cozying up in soft soil like most plants, this tough little moss has a thing for rocks, dead wood, and other solid surfaces where it can anchor itself and thrive.

As a terrestrial plant, it stays firmly planted on land (no floating around in ponds for this one), and like all mosses, it’s completely herbaceous – meaning it’s soft, green, and definitely not developing any woody stems anytime soon.

Where Does It Call Home?

This moss is a proud North American native, though specific details about exactly where you might stumble across it in the wild remain somewhat mysterious. Like many specialized mosses, it likely has particular habitat preferences that make it more common in some regions than others.

A Rare Find Worth Protecting

Here’s where things get interesting – and important. Schofield’s andreaea moss has a Global Conservation Status of S2S3, which puts it in the rare category. This means it’s not exactly common, and if you’re lucky enough to spot it in your wanderings, you’ve discovered something pretty special!

If you’re thinking about adding this moss to your garden collection, please make sure any specimens come from responsible, ethical sources. We definitely don’t want to contribute to making rare plants even rarer.

Is It Beneficial in the Garden?

While we don’t have extensive information about this particular moss’s garden benefits, mosses in general are excellent for:

  • Adding texture and visual interest to rock gardens and stone features
  • Providing ground cover in challenging spots where other plants struggle
  • Creating a sense of age and naturalness in landscape design
  • Requiring minimal maintenance once established
  • Supporting tiny ecosystem inhabitants like microorganisms

How to Identify Schofield’s Andreaea Moss

Identifying this particular species can be tricky without specialized knowledge, as many rock mosses look quite similar to the untrained eye. If you think you’ve found Andreaea schofieldiana, look for:

  • A moss growing on rock surfaces or dead wood rather than soil
  • Small, compact growth form typical of rock mosses
  • Dark green to brownish coloration
  • Cushion-like or mat-forming growth pattern

For definitive identification, you’d really need to consult with a bryophyte specialist or use specialized field guides, as the distinguishing features between Andreaea species often require microscopic examination.

The Bottom Line

Schofield’s andreaea moss represents one of those quiet, specialized members of our native plant communities that often goes unnoticed but plays its own unique role in the ecosystem. While it’s not likely to become a garden center staple anytime soon, appreciating and protecting these rare native species helps maintain the biodiversity that makes our natural world so wonderfully complex.

If you’re interested in incorporating native mosses into your landscape, consider reaching out to native plant societies or specialized growers who can point you toward more readily available species that won’t put rare populations at risk. After all, the best way to honor these fascinating little plants is to ensure they continue thriving in their natural habitats for generations to come!

Schofield’s Andreaea Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Andreaeopsida - Granite mosses

Subclass

Andreaeidae

Order

Andreaeales

Family

Andreaeaceae Dumort.

Genus

Andreaea Hedw. - andreaea moss

Species

Andreaea schofieldiana B.M. Murray - Schofield's andreaea moss

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