North America Native Plant

Anthracothecium Lichen

Botanical name: Anthracothecium canellaealbae

USDA symbol: ANCA35

Habit: lichen

Native status: Native to North America  

Anthracothecium Lichen: A Mysterious Native Species Worth Knowing If you’ve ever wondered about those crusty, patch-like growths you sometimes spot on tree bark during your garden walks, you might have encountered a lichen! Today, we’re diving into the fascinating world of Anthracothecium canellaealbae, commonly known as anthracothecium lichen—a native North ...

Anthracothecium Lichen: A Mysterious Native Species Worth Knowing

If you’ve ever wondered about those crusty, patch-like growths you sometimes spot on tree bark during your garden walks, you might have encountered a lichen! Today, we’re diving into the fascinating world of Anthracothecium canellaealbae, commonly known as anthracothecium lichen—a native North American species that’s more interesting than you might think.

What Exactly Is Anthracothecium Lichen?

Let’s clear up a common misconception right away: lichens aren’t plants at all! Anthracothecium lichen is actually a symbiotic organism—a partnership between a fungus and algae (or sometimes cyanobacteria) living together in perfect harmony. Think of it as nature’s ultimate roommate situation, where both partners benefit from the arrangement.

This particular lichen species is native to North America, making it a legitimate part of our continent’s natural heritage. While it might not be the showstopper you’d typically think of when planning a garden, it plays important ecological roles that are worth appreciating.

Where You’ll Find This Native Species

Anthracothecium lichen calls North America home, though specific details about its exact geographic distribution remain somewhat mysterious—which is actually pretty typical for many lichen species. These organisms often have specific habitat requirements that make them quite particular about where they’ll set up shop.

Is It Beneficial to Your Garden?

Here’s where things get interesting! While you can’t exactly plant anthracothecium lichen in your garden like you would a tomato or a rose bush, its presence can actually be a good sign. Lichens are excellent indicators of air quality, and finding them in your area suggests relatively clean air—something both you and your garden plants can appreciate.

Benefits of having lichens around include:

  • They serve as natural air quality indicators
  • They contribute to the ecosystem by providing habitat for tiny organisms
  • They add subtle visual interest to tree bark and other surfaces
  • They’re part of the complex web of native biodiversity

How to Identify Anthracothecium Lichen

Spotting this particular lichen species can be tricky since many lichens look quite similar to the untrained eye. Unfortunately, detailed identification characteristics for Anthracothecium canellaealbae aren’t widely documented in accessible sources, which makes field identification challenging even for enthusiasts.

If you think you’ve spotted this or any lichen species in your area, consider:

  • Taking photos and consulting with local naturalist groups
  • Connecting with university extension offices that might have lichenologists
  • Using citizen science apps that help with species identification
  • Simply appreciating the diversity of these fascinating organisms without worrying about exact species identification

Living Alongside Native Lichens

The best way to support anthracothecium lichen and other native lichen species is surprisingly simple: leave them alone! These slow-growing organisms are sensitive to disturbance and pollution, so maintaining clean air and avoiding unnecessary disruption to their habitat is key.

If you’re interested in supporting native biodiversity in your garden, consider planting native flowering plants, shrubs, and trees that create the kind of healthy ecosystem where lichens can thrive naturally. While you might not be able to cultivate lichens directly, you can certainly create an environment where they’re welcome guests.

The Bigger Picture

Anthracothecium lichen might not be the star of your garden show, but it represents something important: the incredible diversity of native species that make up our North American ecosystems. Every organism, no matter how small or seemingly insignificant, plays a role in the complex web of life that supports our native plants and wildlife.

So next time you’re out in your garden or exploring natural areas, take a moment to appreciate these quiet, unassuming organisms. They’ve been here long before our gardens existed, and with a little care and respect for our environment, they’ll hopefully be here long after we’re gone.

Anthracothecium Lichen

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Pyrenulales

Family

Pyrenulaceae Rabenh.

Genus

Anthracothecium Hampe ex A. Massal. - anthracothecium lichen

Species

Anthracothecium canellae-albae (Fée) Müll. Arg. - anthracothecium lichen

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