North America Native Plant

Clathroporina Tetracerae

Botanical name: Clathroporina tetracerae

USDA symbol: CLTE13

Habit: lichen

Native status: Native to North America  

Clathroporina tetracerae: A Mysterious North American Lichen Ever stumbled across something in your garden that doesn’t quite fit the usual plant categories? Meet Clathroporina tetracerae, a fascinating lichen species native to North America that might just be hiding in plain sight in your outdoor spaces. What Exactly Is Clathroporina tetracerae? ...

Clathroporina tetracerae: A Mysterious North American Lichen

Ever stumbled across something in your garden that doesn’t quite fit the usual plant categories? Meet Clathroporina tetracerae, a fascinating lichen species native to North America that might just be hiding in plain sight in your outdoor spaces.

What Exactly Is Clathroporina tetracerae?

Before we dive deeper, let’s clear up what we’re actually talking about. Clathroporina tetracerae isn’t a plant in the traditional sense – it’s a lichen! Lichens are remarkable partnerships between fungi and algae (or sometimes cyanobacteria) that work together to create something entirely unique in nature.

Think of lichens as nature’s ultimate roommates. The fungal partner provides structure and protection, while the algae or bacteria handle the photosynthesis, creating food for both. It’s a win-win relationship that’s been working beautifully for millions of years.

Where Does It Call Home?

This particular lichen species is native to North America, though specific details about its exact range and preferred habitats remain somewhat mysterious. Like many specialized lichen species, Clathroporina tetracerae likely has very specific environmental requirements that limit where it can thrive.

Is This Lichen Friend or Foe in Your Garden?

Here’s the good news: if you discover Clathroporina tetracerae in your garden, you’ve likely got a healthy ecosystem on your hands! Lichens are excellent indicators of air quality and environmental health. They’re incredibly sensitive to pollution, so their presence often signals clean air and a balanced environment.

Lichens like this one are generally beneficial garden inhabitants because they:

  • Indicate good air quality in your area
  • Don’t compete with your plants for nutrients
  • Add subtle texture and interest to natural garden areas
  • Support tiny ecosystems of microscopic life
  • Help with soil formation over very long periods

Spotting Clathroporina tetracerae

Identifying specific lichen species can be tricky business, even for experts! Clathroporina tetracerae would require close examination and possibly microscopic analysis to distinguish it from similar species. If you’re curious about lichens in your garden, your best bet is to:

  • Look for crusty, scaly, or leafy growths on rocks, bark, or soil
  • Notice their subtle colors – often gray, green, yellow, or orange
  • Observe where they’re growing – different species prefer different surfaces
  • Consider reaching out to local naturalist groups or university extension services for identification help

The Bottom Line for Gardeners

While you probably won’t be actively planting Clathroporina tetracerae in your garden (lichens don’t work that way!), discovering it growing naturally is actually a wonderful sign. It means your garden environment is healthy enough to support these sensitive organisms.

Rather than trying to remove or manage lichens, the best approach is simply to appreciate them as part of your garden’s natural ecosystem. They’re doing their own thing quietly and efficiently, asking for nothing from you while contributing to the overall health and biodiversity of your outdoor space.

So next time you’re wandering through your garden, take a moment to look closely at those crusty patches on rocks or tree bark – you might just be looking at one of nature’s most successful partnerships!

Clathroporina Tetracerae

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Pyrenulales

Family

Trichotheliaceae Bittner & F. Schill.

Genus

Clathroporina Müll. Arg. - clathroporina lichen

Species

Clathroporina tetracerae (Ach.) R.C. Harris

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