North America Native Plant

Alabama Paraparmelia Lichen

Botanical name: Paraparmelia alabamensis

USDA symbol: PAAL21

Habit: lichen

Native status: Native to North America  

Synonyms: Parmelia alabamensis Hale & McCull. (PAAL22)  ⚘  Pseudoparmelia alabamensis (Hale & McCull.) Hale (PSAL2)   

Alabama Paraparmelia Lichen: A Fascinating Native You Can’t Plant (But Should Appreciate!) If you’ve ever wondered about those crusty, gray-green patches you see growing on tree bark and rocks in the southeastern United States, you might have encountered the Alabama paraparmelia lichen (Paraparmelia alabamensis). While this native species won’t be ...

Alabama Paraparmelia Lichen: A Fascinating Native You Can’t Plant (But Should Appreciate!)

If you’ve ever wondered about those crusty, gray-green patches you see growing on tree bark and rocks in the southeastern United States, you might have encountered the Alabama paraparmelia lichen (Paraparmelia alabamensis). While this native species won’t be gracing your garden beds anytime soon, it’s definitely worth getting to know!

What Exactly Is Alabama Paraparmelia Lichen?

Let’s clear something up right away: Paraparmelia alabamensis isn’t a plant you can buy at your local nursery. It’s a lichen – a fascinating organism that’s actually a partnership between a fungus and algae working together in perfect harmony. Think of it as nature’s original collaboration!

This native North American lichen has had a few name changes over the years. Scientists have also called it Parmelia alabamensis and Pseudoparmelia alabamensis, but don’t let the scientific shuffle confuse you – it’s still the same remarkable organism.

Where Can You Find This Native Wonder?

Alabama paraparmelia lichen is native to the southeastern United States, with Alabama being its claim to fame (hence the name!). You’ll typically spot it in the wild growing on tree bark and rock surfaces throughout the region.

What Does It Look Like?

Identifying Alabama paraparmelia lichen is like becoming a nature detective. Look for:

  • Gray-green to bluish-gray crusty or scaly patches
  • Growth on tree bark, particularly hardwood trees
  • Flat, spreading growth pattern that hugs its host surface
  • Texture that might remind you of dried paint or a natural mosaic

Is It Beneficial to Have Around Your Garden?

Absolutely! While you can’t plant Alabama paraparmelia lichen, having it show up naturally in your landscape is actually a wonderful sign. Here’s why you should celebrate its presence:

  • Air quality indicator: Lichens are incredibly sensitive to air pollution, so their presence suggests you have clean air in your area
  • Ecosystem health: They’re part of a healthy, functioning ecosystem and indicate environmental balance
  • Wildlife habitat: Some small creatures use lichens for shelter and nesting material
  • Natural beauty: They add subtle, textural interest to tree bark and create living art on natural surfaces

The Reality Check: You Can’t Grow This One

Here’s the thing about lichens – they’re not something you can cultivate in the traditional gardening sense. Alabama paraparmelia lichen requires very specific environmental conditions, clean air, and the right host surfaces to thrive. You can’t buy seeds, seedlings, or divisions of this species.

Instead of trying to grow it, focus on creating conditions that might naturally attract lichens to your property:

  • Maintain healthy, mature trees (especially hardwoods)
  • Avoid using harsh chemicals or pesticides that could harm these sensitive organisms
  • Support clean air initiatives in your community
  • Leave some natural, undisturbed areas in your landscape

Appreciating What You Can’t Control

Sometimes the best gardening wisdom is learning to appreciate the wild visitors that show up on their own terms. Alabama paraparmelia lichen represents the magic of nature doing its own thing – creating beauty and supporting ecosystems without any help from us gardeners.

If you’re lucky enough to spot this native lichen in your area, take a moment to appreciate its subtle beauty and what its presence says about your local environment. It’s a reminder that some of nature’s most interesting residents are the ones we never planted but are grateful to have around!

So while Alabama paraparmelia lichen won’t be joining your planned garden beds, it might just be quietly making your outdoor space more beautiful and ecologically rich than you ever realized.

Alabama Paraparmelia 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

Paraparmelia Elix & J. Johnst. - paraparmelia lichen

Species

Paraparmelia alabamensis (Hale & McCull.) Elix & J. Johnst. - Alabama paraparmelia lichen

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