North America Native Plant

Porocyphus Lichen

Botanical name: Porocyphus coccodes

USDA symbol: POCO32

Habit: lichen

Native status: Native to North America  

Synonyms: Porocyphus furfurellus (Nyl.) Forss. (POFU4)   

Porocyphus Lichen: A Tiny Environmental Champion in Your Garden Have you ever noticed those small, crusty patches growing on tree bark or rocks in your yard and wondered what they were? You might be looking at porocyphus lichen (Porocyphus coccodes), a fascinating organism that’s actually doing your garden a big ...

Porocyphus Lichen: A Tiny Environmental Champion in Your Garden

Have you ever noticed those small, crusty patches growing on tree bark or rocks in your yard and wondered what they were? You might be looking at porocyphus lichen (Porocyphus coccodes), a fascinating organism that’s actually doing your garden a big favor just by being there!

What Exactly Is Porocyphus Lichen?

Here’s where things get interesting: porocyphus lichen isn’t actually a plant at all! It’s a lichen, which is a remarkable partnership between a fungus and an algae (and sometimes bacteria too). Think of it as nature’s ultimate roommate situation – the fungus provides structure and protection, while the algae produces food through photosynthesis. This tiny powerhouse is native to North America and goes by the scientific name Porocyphus coccodes, though it was previously known as Porocyphus furfurellus.

Where You’ll Find This Little Wonder

Porocyphus lichen naturally occurs throughout North America, typically making its home on tree bark and occasionally on rocks. It’s not picky about location – you might spot it in forests, parks, and even in your own backyard if conditions are right.

Why This Lichen Is Actually Great News for Your Garden

Before you think about scraping it off, here’s why you should celebrate finding porocyphus lichen in your space:

  • Air quality indicator: Lichens are incredibly sensitive to air pollution, so their presence means you’ve got clean, healthy air in your garden
  • Zero maintenance required: It takes care of itself completely – no watering, fertilizing, or pruning needed
  • Adds natural character: Creates an authentic, aged look that makes your landscape feel more established and wild
  • Harmless to plants: It doesn’t damage trees or other plants – it’s just hitching a ride on the surface

How to Identify Porocyphus Lichen

Spotting this lichen is pretty straightforward once you know what to look for:

  • Forms small, crusty or powdery patches on bark surfaces
  • Typically grayish or whitish in color
  • Creates thin, somewhat rough-textured growths
  • Usually found on the bark of various tree species
  • Doesn’t have the leafy or branching structure you’d see in other types of lichens

Should You Grow Porocyphus Lichen?

Here’s the thing about lichens – you can’t really plant them like you would a flower or shrub. They appear naturally when conditions are right, which includes clean air, appropriate moisture levels, and suitable surfaces to grow on. The best way to encourage lichens in your garden is to maintain a healthy, unpolluted environment and avoid using harsh chemicals that might harm these sensitive organisms.

If you’re lucky enough to have porocyphus lichen already growing in your space, consider it a badge of honor for maintaining an environmentally friendly garden. It’s nature’s way of giving you a thumbs up!

Living Harmoniously with Your Lichen Neighbors

The beauty of porocyphus lichen is that it asks for absolutely nothing from you while giving back clean air confirmation and natural aesthetics. Simply let it be, and enjoy knowing that your garden is healthy enough to support these fascinating little partnerships between fungi and algae. It’s one of nature’s most low-maintenance relationships – and now it’s part of yours too!

Porocyphus Lichen

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Lichinales

Family

Lichinaceae Nyl.

Genus

Porocyphus Körb. - porocyphus lichen

Species

Porocyphus coccodes (Flotow) Körb. - porocyphus lichen

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