North America Native Plant

Melaspilea Lichen

Botanical name: Melaspilea arthonioides

USDA symbol: MEAR13

Habit: lichen

Native status: Native to North America  

Melaspilea Lichen: A Mysterious Native Lichen Worth Knowing If you’ve ever wondered about those crusty, colorful patches you sometimes spot on tree bark or rocks, you might have encountered a lichen! Today, let’s dive into the fascinating world of Melaspilea arthonioides, commonly known as melaspilea lichen – a native North ...

Melaspilea Lichen: A Mysterious Native Lichen Worth Knowing

If you’ve ever wondered about those crusty, colorful patches you sometimes spot on tree bark or rocks, you might have encountered a lichen! Today, let’s dive into the fascinating world of Melaspilea arthonioides, commonly known as melaspilea lichen – a native North American species that’s more mysterious than your average garden resident.

What Exactly Is Melaspilea Lichen?

First things first – melaspilea lichen isn’t actually a plant at all! It’s a lichen, which is one of nature’s most amazing partnerships. Think of it as a biological buddy system where a fungus and an algae (or sometimes cyanobacteria) team up to create something entirely new. The fungus provides structure and protection, while the algae does the photosynthesis magic, creating food for both partners. Pretty cool, right?

Melaspilea arthonioides belongs to the group of crustose lichens, which means it forms a crust-like growth that’s tightly attached to whatever surface it calls home.

Where Does It Call Home?

This lichen is native to North America, though specific details about its exact range and distribution remain somewhat of a scientific mystery. Like many lichen species, it likely has a broader distribution than we currently understand, quietly doing its thing in forests and natural areas across the continent.

Is Melaspilea Lichen Good for Your Garden?

Here’s where things get interesting! While you can’t exactly plant melaspilea lichen like you would a tomato or rose bush, having lichens like this one show up naturally in your garden is actually a fantastic sign. Here’s why:

  • Air quality indicators: Lichens are incredibly sensitive to air pollution, so their presence suggests you’ve got clean, healthy air
  • Ecosystem health: They contribute to biodiversity and support microscopic wildlife communities
  • Natural beauty: Lichens add subtle texture and color to tree trunks, rocks, and other surfaces
  • Low maintenance: Once established, they require absolutely zero care from you

How to Identify Melaspilea Lichen

Identifying specific lichen species can be tricky business, even for experts! Melaspilea arthonioides, like many crustose lichens, forms thin, crusty patches on its substrate. However, definitive identification often requires microscopic examination and chemical tests that are best left to lichenologists (lichen scientists – yes, that’s a real job!).

If you’re curious about lichens in your area, your best bet is to:

  • Take photos and notes about where you found them
  • Contact your local mycological society or university extension office
  • Join a citizen science project that focuses on lichen identification

Encouraging Lichens in Your Garden

While you can’t plant melaspilea lichen directly, you can create conditions that welcome lichens in general:

  • Avoid chemicals: Skip the pesticides and fungicides that can harm these sensitive organisms
  • Maintain older trees: Mature trees with textured bark provide ideal lichen habitat
  • Keep it natural: Leave some untidy corners with rocks, old wood, or undisturbed areas
  • Be patient: Lichens grow incredibly slowly – we’re talking millimeters per year!

The Bottom Line

Melaspilea arthonioides might not be the showiest addition to your garden, but if you’re lucky enough to spot it (or any lichen, for that matter), consider it a badge of honor! These remarkable organisms are living proof that your outdoor space is healthy and thriving. Rather than trying to cultivate them, simply appreciate them as nature’s own artwork – slow-growing, pollution-sensitive masterpieces that have been perfecting their craft for millions of years.

So next time you’re wandering through your garden, take a moment to look closely at those tree trunks and rock surfaces. You might just discover a whole miniature world of lichens, possibly including our mysterious friend, melaspilea lichen!

Melaspilea Lichen

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order
Family

Melaspileaceae Walt. Watson

Genus

Melaspilea Nyl. - melaspilea lichen

Species

Melaspilea arthonioides (Fée) Nyl. - melaspilea lichen

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