North America Native Plant

Arctic Brodoa Lichen

Botanical name: Brodoa oroarctica

USDA symbol: BROR60

Habit: lichen

Native status: Native to North America  

Synonyms: Brodoa intestiniformis (Vill.) Goward (BRIN9)  ⚘  Hypogymnia encausta (Sm.) Walt. Watson (HYEN3)  ⚘  Hypogymnia intestiniformis (Vill.) Rasanen (HYIN3)  ⚘  Hypogymnia oroarctica Krog (HYOR2)  ⚘  Parmelia intestiniformis (Vill.) Ach. (PAIN18)   

Arctic Brodoa Lichen: A Hardy Northern Beauty You Can’t Plant (But Should Appreciate) If you’ve ever wandered through the northern wilderness or high mountain areas and noticed crusty, greyish patches decorating rocks and tree trunks, you might have encountered the arctic brodoa lichen (Brodoa oroarctica). This fascinating organism isn’t your ...

Arctic Brodoa Lichen: A Hardy Northern Beauty You Can’t Plant (But Should Appreciate)

If you’ve ever wandered through the northern wilderness or high mountain areas and noticed crusty, greyish patches decorating rocks and tree trunks, you might have encountered the arctic brodoa lichen (Brodoa oroarctica). This fascinating organism isn’t your typical garden plant – in fact, it’s not a plant at all! Let’s dive into the wonderful world of this hardy northern lichen and discover why it deserves a spot on every nature lover’s radar.

What Exactly Is Arctic Brodoa Lichen?

Here’s where things get interesting: Brodoa oroarctica is actually a lichen, which means it’s a remarkable partnership between a fungus and an algae living together in perfect harmony. Think of it as nature’s ultimate roommate situation – the fungus provides structure and protection, while the algae handles the food production through photosynthesis. This incredible duo has been perfecting their act for millions of years!

You might also see this species referred to by several scientific synonyms in older field guides, including Hypogymnia oroarctica or Parmelia intestiniformis, but don’t let the name changes confuse you – it’s the same fascinating organism.

Where Does Arctic Brodoa Lichen Call Home?

As its common name suggests, this lichen is a true northerner. Arctic brodoa lichen is native to North America and thrives in the chilly embrace of arctic and subarctic regions. You’ll find it making itself at home across Alaska, northern Canada, and even some high-elevation spots in western mountain ranges where the air is crisp and clean.

Can You Add This Lichen to Your Garden?

Here’s the thing about lichens – they march to the beat of their own drum. Unlike the perennials and shrubs you might be used to planting, you can’t simply pick up arctic brodoa lichen at your local nursery and plop it in your garden bed. These organisms are incredibly picky about their living conditions and require very specific environmental factors to survive, including:

  • Extremely clean air (they’re actually great indicators of air quality)
  • Specific moisture levels
  • The right substrate (surface) to grow on
  • Cool temperatures

Instead of trying to cultivate arctic brodoa lichen, think of it as a wild treasure to appreciate during your outdoor adventures. If you’re lucky enough to live in or visit areas where this lichen naturally occurs, consider yourself privileged to witness one of nature’s most successful partnerships in action.

How to Spot Arctic Brodoa Lichen in the Wild

Ready to become a lichen detective? Arctic brodoa lichen forms crusty, greyish-white patches that might remind you of abstract art painted on natural canvases. Look for it growing on:

  • Rock surfaces
  • Tree bark (especially conifers)
  • Sometimes on soil in very specific conditions

The patches often have a somewhat wrinkled or folded appearance, giving them character and making each colony unique. Don’t expect dramatic seasonal changes like you’d see with flowering plants – lichens are masters of subtle beauty and consistent presence.

The Secret Benefits of Having Lichens Around

While arctic brodoa lichen won’t attract butterflies like your favorite native wildflowers, it plays important ecological roles that benefit the broader ecosystem. These quiet heroes help with soil formation as they slowly break down rock surfaces over time, and they serve as food sources for various wildlife, particularly during harsh winter months when other food sources are scarce.

Plus, their presence is actually a good sign – lichens are sensitive to air pollution, so finding healthy lichen communities indicates clean, unpolluted air in the area.

Appreciating Nature’s Slow Artists

Arctic brodoa lichen reminds us that not everything in nature needs to be fast-growing or showy to be valuable. These organisms grow incredibly slowly, sometimes taking decades to establish visible colonies, but they’re also remarkably long-lived and resilient once established.

So the next time you’re exploring northern landscapes, take a moment to appreciate these crusty patches of greyish-white covering rocks and trees. You’re looking at one of nature’s most successful collaborative efforts – a living testament to the power of partnership and adaptation in harsh environments.

While you might not be able to add arctic brodoa lichen to your garden, you can certainly add appreciation for these remarkable organisms to your nature-watching repertoire!

Arctic Brodoa Lichen

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Lecanorales

Family

Parmeliaceae F. Berchtold & J. Presl

Genus

Brodoa Goward - brodoa lichen

Species

Brodoa oroarctica (Krog) Goward - arctic brodoa lichen

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