North America Native Plant

Kohlmeyera Lichen

Botanical name: Kohlmeyera complicatula

USDA symbol: KOCO3

Habit: lichen

Native status: Native to North America  

Synonyms: Mastodia tesselata Hook. f. & Harv. (MATE15)  ⚘  Turgidosculum complicatulum (Nyl.) Kohlm. & E. Kohlm. (TUCO4)   

Kohlmeyera Lichen: The Mysterious Marine Fungus You’ll Never Garden With If you’ve stumbled across the name kohlmeyera lichen while researching native plants for your garden, you might be scratching your head wondering where to plant this North American native. Well, here’s the plot twist that might surprise you: Kohlmeyera complicatula ...

Kohlmeyera Lichen: The Mysterious Marine Fungus You’ll Never Garden With

If you’ve stumbled across the name kohlmeyera lichen while researching native plants for your garden, you might be scratching your head wondering where to plant this North American native. Well, here’s the plot twist that might surprise you: Kohlmeyera complicatula isn’t actually something you can grow in your backyard at all!

What Exactly Is Kohlmeyera Complicatula?

Despite its common name suggesting it’s a lichen, Kohlmeyera complicatula is actually a marine fungus that lives a very different life than the plants we typically think about for our gardens. This tiny organism makes its home inside marine algae and seaweeds along North American coastlines, living as what scientists call an endophyte – essentially a fungal tenant that lives within its host plant.

You might also see this species referred to by its scientific synonyms, including Mastodia tesselata or Turgidosculum complicatulum, but regardless of the name, it’s the same fascinating marine organism.

Where Does It Live?

This native North American species calls the intertidal zones of our coastlines home. You’ll find it doing its microscopic thing within seaweeds and marine algae that get splashed by ocean waves and covered by tides.

Is It Beneficial to Your Garden?

Here’s where we need to manage expectations: Kohlmeyera complicatula simply cannot survive in a traditional garden setting. This marine fungus requires:

  • Salt water environments
  • Specific marine host plants (seaweeds and algae)
  • Intertidal conditions with regular wave action
  • Ocean-specific environmental factors

So while it’s undoubtedly playing an important ecological role in marine ecosystems, it won’t be contributing to your terrestrial garden’s biodiversity or helping your pollinator friends.

How to Identify It

Unless you’re a marine biologist with access to specialized equipment, you’re not likely to spot Kohlmeyera complicatula in the wild. This microscopic fungus lives within its host plants and requires laboratory identification techniques to distinguish it from other marine fungi.

If you’re beachcombing and examining seaweeds, remember that this little fungus might be there, quietly doing its part in the marine ecosystem – you just won’t be able to see it with the naked eye!

The Bottom Line for Gardeners

While Kohlmeyera complicatula is a fascinating example of North American native biodiversity, it’s definitely not destined for your garden beds, containers, or landscape design. If you’re looking to support native ecosystems in your garden, you’ll want to focus on terrestrial native plants that can actually thrive in soil-based environments.

Consider this a fun piece of natural history trivia rather than a gardening opportunity – sometimes the most interesting natives are the ones we can admire from afar while leaving them in their specialized habitats where they belong!

Kohlmeyera Lichen

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order
Family

Mastodiaceae Zahlbr.

Genus

Kohlmeyera Schatz - kohlmeyera lichen

Species

Kohlmeyera complicatula (Nyl.) Schatz - kohlmeyera lichen

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