North America Native Plant

Neofuscelia Lichen

Botanical name: Neofuscelia infrapallida

USDA symbol: NEIN4

Habit: lichen

Native status: Native to North America  

Synonyms: Parmelia infrapallida Essl. (PAIN15)   

Neofuscelia Lichen: A Quiet Garden Helper You Might Already Have Have you ever noticed those crusty, grayish patches on tree bark in your yard and wondered what they were? There’s a good chance you’re looking at a lichen, possibly the neofuscelia lichen (Neofuscelia infrapallida). While this might not be the ...

Neofuscelia Lichen: A Quiet Garden Helper You Might Already Have

Have you ever noticed those crusty, grayish patches on tree bark in your yard and wondered what they were? There’s a good chance you’re looking at a lichen, possibly the neofuscelia lichen (Neofuscelia infrapallida). While this might not be the showiest addition to your garden palette, this humble organism is actually doing some pretty amazing work behind the scenes.

What Exactly Is Neofuscelia Lichen?

Here’s where things get interesting: lichens aren’t actually plants at all! They’re fascinating partnerships between fungi and algae (or sometimes cyanobacteria) that work together in perfect harmony. The neofuscelia lichen appears as pale, crusty growths that form irregular patches on tree bark and occasionally on rocks.

You might also see this species listed under its scientific synonym, Parmelia infrapallida, in older field guides or research papers.

Where You’ll Find This North American Native

Neofuscelia infrapallida is native to North America, where it has been quietly going about its business for centuries. You’re most likely to spot it in western regions, though its exact distribution across the continent isn’t completely mapped out yet.

Why Your Garden Benefits From Lichens

Before you think about removing those weird crusty things from your trees, consider the valuable services they provide:

  • Air quality indicators: Lichens are incredibly sensitive to air pollution, so their presence suggests you have relatively clean air in your area
  • Ecosystem health: They’re part of a complex web of organisms that contribute to biodiversity
  • No harm to trees: Despite what some people think, lichens don’t damage healthy trees – they just use the bark as a place to live
  • Wildlife habitat: Many small creatures use lichens for shelter and nesting material

How to Identify Neofuscelia Lichen

Spotting neofuscelia lichen is pretty straightforward once you know what to look for:

  • Pale grayish or whitish crusty patches
  • Grows directly on tree bark, appearing almost painted on
  • Forms irregular, spreading patches rather than distinct shapes
  • Surface may appear slightly powdery or granular
  • More commonly found on older trees with textured bark

Can You Cultivate Lichens?

Here’s the thing about lichens – you can’t really plant them like you would a flower or shrub. They establish themselves naturally when conditions are right, and trying to transplant or encourage them usually doesn’t work. The good news? If you’re seeing lichens in your garden, it means your local ecosystem is healthy enough to support them naturally.

Instead of trying to cultivate lichens, focus on creating conditions that support overall biodiversity:

  • Avoid using chemical pesticides and fungicides
  • Maintain mature trees when possible
  • Reduce air pollution sources around your property
  • Allow some wild spaces in your landscape

The Bottom Line

Neofuscelia lichen might not win any garden beauty contests, but it’s a valuable indicator that your outdoor space is supporting a healthy, diverse ecosystem. Rather than viewing these crusty patches as something to remove, consider them a badge of honor – proof that your garden is clean, healthy, and supporting life in ways both big and small.

Next time you’re wandering around your yard, take a moment to appreciate these quiet garden helpers. They’ve been perfecting their partnership for millions of years, and they’re still here, doing their part to keep our world a little bit healthier.

Neofuscelia 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

Neofuscelia Essl. - neofuscelia lichen

Species

Neofuscelia infrapallida (Essl.) Essl. - neofuscelia lichen

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