North America Native Plant

Lecanora Laatokkaensis

Botanical name: Lecanora laatokkaensis

USDA symbol: LELA32

Habit: lichen

Native status: Native to North America  

Lecanora laatokkaensis: A Mysterious Native Lichen Worth Knowing If you’ve ever wondered about those crusty, colorful patches you sometimes spot on rocks or tree bark, you might have encountered a lichen! Today, we’re diving into the world of Lecanora laatokkaensis, a fascinating native North American lichen that’s more interesting than ...

Lecanora laatokkaensis: A Mysterious Native Lichen Worth Knowing

If you’ve ever wondered about those crusty, colorful patches you sometimes spot on rocks or tree bark, you might have encountered a lichen! Today, we’re diving into the world of Lecanora laatokkaensis, a fascinating native North American lichen that’s more interesting than you might think.

What Exactly Is Lecanora laatokkaensis?

First things first – Lecanora laatokkaensis isn’t actually a plant at all! It’s a lichen, which is basically nature’s ultimate partnership. Think of it as a cozy living arrangement between a fungus and algae (and sometimes cyanobacteria too). The fungus provides the structure and protection, while the algae does the photosynthesis magic to create food. It’s like having a roommate who pays rent in groceries!

This particular lichen is native to North America, making it a legitimate part of our local ecosystem. While we don’t have a common name for this species, it belongs to the large and diverse Lecanora genus, which includes many crustose (crusty-looking) lichens.

Geographic Distribution

Lecanora laatokkaensis calls North America home, though specific distribution details for this particular species are not well-documented in readily available sources. Like many lichens, it likely has specific habitat preferences that determine where you might find it.

Is It Beneficial to Have in Your Garden?

Here’s the cool part – you don’t actually plant lichens like you would a flower or shrub. They show up on their own when conditions are right, and that’s actually a good thing! Lichens are excellent indicators of air quality. If you’ve got lichens growing in your space, it’s often a sign that your air is relatively clean.

While Lecanora laatokkaensis might not add the showy blooms you’d get from native wildflowers, it does contribute to the ecosystem in several ways:

  • Provides habitat for tiny insects and other small creatures
  • Helps with soil formation as it slowly breaks down rock surfaces
  • Indicates good environmental conditions
  • Adds subtle texture and interest to natural surfaces

How to Identify This Lichen

Identifying specific lichen species can be tricky even for experts, and Lecanora laatokkaensis is no exception. Without detailed morphological and chemical analysis, it’s challenging to distinguish it from closely related species in the field. If you suspect you’ve found this lichen, you’ll want to look for:

  • A crustose (crust-like) growth form
  • Growth on appropriate substrates (though specific preferences aren’t well-documented)
  • Characteristics typical of the Lecanora genus

For definitive identification, you’d need to consult with a lichenologist or use specialized identification keys.

Creating Lichen-Friendly Spaces

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

  • Minimize air pollution around your property
  • Avoid using chemical pesticides and fertilizers
  • Leave some natural surfaces like rocks or older trees undisturbed
  • Maintain good air circulation
  • Be patient – lichens grow very slowly!

The Bottom Line

Lecanora laatokkaensis might not be the flashiest addition to your landscape knowledge, but it represents the incredible diversity of life that exists all around us. These quiet, slow-growing organisms are doing important work in our ecosystems, even if we don’t always notice them.

If you spot what you think might be this lichen (or any lichen, really), take a moment to appreciate this amazing example of biological cooperation. And remember – their presence is usually a good sign that you’re doing something right with your environmental stewardship!

Lecanora Laatokkaensis

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Lecanorales

Family

Lecanoraceae Körb.

Genus

Lecanora Ach. - rim lichen

Species

Lecanora laatokkaensis (Rasanen) Poelt

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