North America Native Plant

Bryocrumia Moss

Botanical name: Bryocrumia vivicolor

USDA symbol: BRVI6

Habit: nonvascular

Native status: Native to North America  

Synonyms: Bryocrumia andersonii (E.B. Bartram) L.E. Anderson (BRAN8)  ⚘  Glossadelphus andersonii E.B. Bartram (GLAN)  ⚘  Taxiphyllum andersonii (E.B. Bartram) H.A. Crum (TAAN3)   

Bryocrumia Moss: A Rare Native Treasure Worth Knowing Meet Bryocrumia moss (Bryocrumia vivicolor), one of North America’s lesser-known native moss species that deserves a spot in every nature lover’s field guide. While you might not find this particular moss at your local garden center, understanding what makes it special can ...

Rare plant alert!

Region: Conservation status by state

Status: S1S2: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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) ⚘

Bryocrumia Moss: A Rare Native Treasure Worth Knowing

Meet Bryocrumia moss (Bryocrumia vivicolor), one of North America’s lesser-known native moss species that deserves a spot in every nature lover’s field guide. While you might not find this particular moss at your local garden center, understanding what makes it special can deepen your appreciation for the tiny green carpets that grace our natural landscapes.

What Exactly Is Bryocrumia Moss?

Bryocrumia moss belongs to the fascinating world of bryophytes – those ancient, non-flowering plants that include mosses, liverworts, and hornworts. As a terrestrial species, this moss prefers to make its home attached to solid surfaces like rocks, tree bark, or decaying wood rather than growing directly in soil. Think of it as nature’s way of adding a soft, green cushion to the harder edges of the forest floor.

You might also encounter this species listed under its scientific synonyms, including Bryocrumia andersonii, Glossadelphus andersonii, or Taxiphyllum andersonii – botanists have been busy reorganizing the moss family tree over the years!

Where Does It Call Home?

This moss is native to North America, though specific details about its range remain somewhat mysterious in botanical literature. Like many of our native mosses, it likely plays quiet but important roles in forest ecosystems across the continent.

A Rare Find: Conservation Concerns

Here’s where things get serious – Bryocrumia moss carries a Global Conservation Status of S1S2, which means it’s considered rare to imperiled. This designation puts it in the category of species that need our attention and protection. Finding this moss in the wild would be like discovering a botanical treasure!

If you’re lucky enough to encounter this species during your nature walks, please observe and photograph rather than collect. Its rarity means every population counts for the species’ long-term survival.

Is It Good for Gardens?

While we can’t recommend actively cultivating this rare moss in home gardens, understanding its role in nature can inspire us to create moss-friendly spaces. Native mosses like Bryocrumia provide several ecosystem benefits:

  • Help prevent soil erosion on slopes and around trees
  • Create microhabitats for tiny insects and other small creatures
  • Add year-round green color to shaded areas
  • Require no fertilizers, pesticides, or frequent watering once established

Creating Moss-Friendly Garden Spaces

Instead of trying to grow rare species like Bryocrumia moss, consider encouraging common native mosses already present in your area. You can do this by:

  • Maintaining shaded, moist areas in your landscape
  • Leaving some fallen logs or rock surfaces undisturbed
  • Avoiding the use of chemicals that might harm delicate moss communities
  • Being patient – mosses establish slowly but can last for decades

Identifying Bryocrumia Moss

Moss identification can be tricky and often requires a hand lens or microscope to see the detailed features botanists use for classification. If you suspect you’ve found something rare like Bryocrumia moss, consider reaching out to local botanists, native plant societies, or your state’s natural heritage program for proper identification.

Remember, the joy of discovering rare native species like Bryocrumia moss lies not in possessing them, but in knowing they exist and doing our part to protect the habitats where they thrive. Every moss-friendly corner of your garden is a small tribute to these ancient, resilient plants that have been greening our world for millions of years.

Bryocrumia Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Hypnales

Family

Hypnaceae Schimp.

Genus

Bryocrumia L.E. Anderson - bryocrumia moss

Species

Bryocrumia vivicolor (Dix.) W.R. Buck - bryocrumia moss

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