Native Plants

Imbricate Lorentziella Moss

Lorentziella imbricata

USDA symbol: LOIM

North America: native

Meet one of North America’s more mysterious botanical residents: the imbricate lorentziella moss (Lorentziella imbricata). This tiny terrestrial moss might not be the showstopper you’d typically think of when planning your garden, but it represents something quite special in the world of native bryophytes. Lorentziella imbricata belongs to the fascinating ...

Imbricate Lorentziella Moss may be listed as rare in your area.
Global Conservation Status

Status: S2S3 | Vulnerable: Found only in a restricted range (even if abundant at some locations). Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals.

Imbricate Lorentziella Moss: A Rare North American Bryophyte

Meet one of North America’s more mysterious botanical residents: the imbricate lorentziella moss (Lorentziella imbricata). This tiny terrestrial moss might not be the showstopper you’d typically think of when planning your garden, but it represents something quite special in the world of native bryophytes.

What Exactly Is Imbricate Lorentziella Moss?

Lorentziella imbricata belongs to the fascinating world of mosses – those small, non-flowering plants that have been quietly carpeting our planet for millions of years. Unlike the familiar garden plants we usually discuss, this moss is a bryophyte, meaning it reproduces through spores rather than seeds and lacks the traditional roots, stems, and leaves of flowering plants.

This particular moss species is terrestrial, meaning it grows on land rather than in water. What makes it especially interesting is its tendency to attach itself to solid objects like rocks, fallen logs, or even living tree bark, rather than settling directly into soil like many other plants.

Where Does It Call Home?

Imbricate lorentziella moss is native to North America, though specific details about its exact range remain somewhat of a botanical mystery. The species has historically been known by other scientific names, including Acaulon megalosporum and Acaulon runyoni, which might explain why information about it can be scattered across different sources.

A Word of Caution: Rarity Status

Here’s where things get important for any nature enthusiast: Lorentziella imbricata carries a Global Conservation Status of S2S3, indicating it’s considered uncommon to rare in its natural habitat. This means if you’re lucky enough to encounter this moss in the wild, it deserves your respect and protection.

Rather than attempting to collect or cultivate this rare species, consider it a special find to observe and appreciate in its natural setting. Disturbing rare moss populations can have lasting impacts on these slow-growing, specialized communities.

Is It Beneficial in Gardens?

While we can’t recommend actively introducing this particular moss to your garden due to its rarity, mosses in general can be wonderful additions to the right landscape:

  • They help prevent soil erosion
  • Create habitat for tiny beneficial creatures
  • Add year-round green color to shady spots
  • Require no mowing, fertilizing, or watering once established
  • Provide a soft, natural carpet effect

How to Identify This Elusive Moss

Unfortunately, detailed identification characteristics for Lorentziella imbricata aren’t widely documented in accessible resources. If you suspect you’ve found this rare moss, consider reaching out to local botanists, university extension offices, or native plant societies who might have bryophyte experts on hand.

Generally, when exploring moss identification, you’ll want to note:

  • The substrate it’s growing on (rock, soil, wood, etc.)
  • The overall growth pattern and size
  • The shape and arrangement of individual moss leaves
  • Whether reproductive structures (sporophytes) are present

Supporting Native Moss Communities

Instead of trying to cultivate this rare species, consider these moss-friendly practices in your landscape:

  • Leave fallen logs and natural debris in shady areas
  • Avoid using fungicides and pesticides that can harm bryophyte communities
  • Create moist, shaded microclimates where native mosses can naturally establish
  • Participate in citizen science projects that help document moss populations

Remember, the best way to appreciate rare native plants like imbricate lorentziella moss is to protect their natural habitats and support conservation efforts. While it might not become part of your garden design, knowing about these hidden botanical gems enriches our understanding of the incredible diversity right in our own backyards.

Lorentziella imbricata is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Lorentziella imbricata is also known as:

Acaulon megalosporum | USDA symbol: ACME5
Acaulon runyoni | USDA symbol: ACRU10

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Moss
Kingdom: Plantae - Plants
Division: Bryophyta - Mosses
Subdivision: Musci
Class: Bryopsida - True mosses
Subclass: Bryidae
Order: Funariales
Family: Gigaspermaceae A. Jaeger & Sauerb.
Genus: Lorentziella Müll. Hal. - lorentziella moss

Species: Lorentziella imbricata (Mitt.) Broth. - imbricate lorentziella moss

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