North America Native Plant

Polycoccum Sporastatiae

Botanical name: Polycoccum sporastatiae

USDA symbol: POSP16

Habit: lichen

Native status: Native to North America  

Polycoccum sporastatiae: A Mysterious North American Lichen If you’ve ever wondered about the tiny, often overlooked organisms that quietly inhabit our native landscapes, you might be curious about Polycoccum sporastatiae. This little-known lichen species represents one of nature’s fascinating partnerships between fungi and algae, though it remains somewhat of a ...

Polycoccum sporastatiae: A Mysterious North American Lichen

If you’ve ever wondered about the tiny, often overlooked organisms that quietly inhabit our native landscapes, you might be curious about Polycoccum sporastatiae. This little-known lichen species represents one of nature’s fascinating partnerships between fungi and algae, though it remains somewhat of a mystery even to scientists.

What Exactly Is Polycoccum sporastatiae?

Polycoccum sporastatiae is a lichen—not a plant in the traditional sense, but rather a symbiotic organism formed by the partnership of a fungus and algae or cyanobacteria. Like all lichens, it represents one of nature’s most successful collaborations, where the fungus provides structure and protection while the algae produces food through photosynthesis.

Currently, this species doesn’t have a widely recognized common name, which tells us something about how little we know about this particular lichen. It’s one of those quiet inhabitants of our native ecosystems that scientists are still working to understand fully.

Where Does It Come From?

What we do know is that Polycoccum sporastatiae is native to North America, making it a legitimate part of our continent’s natural heritage. However, its specific geographic distribution remains poorly documented in readily available sources.

Is This Lichen Beneficial in Your Garden?

While we can’t provide specific details about this particular lichen’s role in garden ecosystems, lichens in general are:

  • Excellent indicators of air quality—they’re sensitive to pollution
  • Natural colonizers that help establish ecosystems
  • Food sources for various wildlife, including birds and small mammals
  • Contributors to soil formation over time

If you discover lichens in your garden, including potentially this species, it’s generally a good sign that your local air quality is decent and your garden ecosystem is healthy.

How to Identify Lichens in Your Landscape

Identifying specific lichen species like Polycoccum sporastatiae requires expert knowledge and often microscopic examination. However, you can appreciate lichens in general by looking for:

  • Crusty, leafy, or branching growths on rocks, tree bark, or soil
  • Colors ranging from gray and green to bright orange, yellow, or red
  • Organisms that seem to be painted onto surfaces
  • Growth that persists year-round, even in harsh conditions

Should You Encourage Lichens?

The beauty of lichens is that you don’t really need to grow them—they’ll find you if conditions are right. Creating a lichen-friendly environment means:

  • Avoiding pesticides and air pollution when possible
  • Leaving natural surfaces like rocks and old wood undisturbed
  • Being patient—lichens grow very slowly
  • Appreciating them as signs of a healthy ecosystem

The Bigger Picture

While Polycoccum sporastatiae remains somewhat mysterious, it represents the incredible diversity of life forms that make up our native ecosystems. Every lichen species, no matter how small or obscure, plays a role in the complex web of life that supports our local environments.

If you think you’ve spotted this or any other lichen in your garden, consider it a small victory for biodiversity. These remarkable organisms remind us that nature’s partnerships often happen in the most unexpected places, right under our noses—or in this case, right on our rocks and trees.

Polycoccum Sporastatiae

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Dothideales

Family

Dacampiaceae Körb.

Genus

Polycoccum Sauter ex Krober - polycoccum lichen

Species

Polycoccum sporastatiae (Anzi) Arnold

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