North America Native Plant

Felt Lichen

Botanical name: Peltigera malacea

USDA symbol: PEMA60

Habit: lichen

Native status: Native to North America  

Felt Lichen: The Fuzzy Forest Floor Friend You Should Know Have you ever been walking through a forest and noticed what looks like leafy patches scattered across the ground, feeling surprisingly soft underfoot? You might have encountered felt lichen (Peltigera malacea), one of North America’s most distinctive ground-dwelling lichens. While ...

Felt Lichen: The Fuzzy Forest Floor Friend You Should Know

Have you ever been walking through a forest and noticed what looks like leafy patches scattered across the ground, feeling surprisingly soft underfoot? You might have encountered felt lichen (Peltigera malacea), one of North America’s most distinctive ground-dwelling lichens. While you can’t exactly plant this fascinating organism in your garden like a typical flower or shrub, understanding felt lichen can help you appreciate the incredible biodiversity that might already be thriving in your natural landscape.

What Exactly Is Felt Lichen?

Felt lichen isn’t actually a plant at all – it’s a remarkable partnership between a fungus and algae working together as one organism. This collaborative relationship, called symbiosis, allows lichens to survive in places where neither partner could live alone. Think of it as nature’s ultimate roommate situation, where everyone contributes to the household!

Peltigera malacea gets its felt common name from the distinctive texture on its underside, which feels remarkably similar to craft felt. The upper surface appears gray-green to brownish, with broad, leaf-like lobes that can spread several inches across.

Where You’ll Find Felt Lichen

This native North American species has made itself at home across much of the continent, from Canada down through various regions of the United States. You’re most likely to spot felt lichen in temperate and boreal forests, where it carpets the forest floor alongside mosses and other woodland treasures.

Identifying Felt Lichen in the Wild

Ready to become a lichen detective? Here’s what to look for when identifying felt lichen:

  • Size and shape: Broad, flat lobes that can reach 2-4 inches across
  • Color: Gray-green to brownish on top, with a contrasting pale underside
  • Texture: The underside feels distinctly fuzzy or felt-like
  • Habitat: Growing on soil, decaying logs, or among mosses on the forest floor
  • Growth pattern: Forms loose, spreading patches rather than tight clusters

The Secret Life of Felt Lichen

Unlike plants that need soil nutrients, felt lichen gets everything it needs from the air and rain. It’s incredibly sensitive to air pollution, which actually makes it a natural air quality indicator. If you find healthy populations of felt lichen in your area, congratulations – you’re breathing some pretty clean air!

This lichen plays several important ecological roles that benefit forest ecosystems:

  • Helps prevent soil erosion with its spreading growth habit
  • Provides shelter and food for tiny forest creatures like springtails and mites
  • Contributes to nutrient cycling as it breaks down organic matter
  • Serves as nesting material for some bird species

Can You Grow Felt Lichen in Your Garden?

Here’s where we need to set realistic expectations: you can’t cultivate felt lichen like you would a tomato or rose bush. Lichens are incredibly finicky about their growing conditions and don’t transplant well. Attempting to move them usually results in their death, so it’s best to appreciate them where nature intended.

However, if you’re lucky enough to have felt lichen naturally occurring on your property, here’s how to help it thrive:

  • Avoid using chemical fertilizers or pesticides in areas where lichen grows
  • Minimize foot traffic over lichen patches
  • Maintain natural moisture levels by avoiding excessive drainage
  • Keep the area free from excessive leaf litter buildup
  • Protect from direct disturbance during landscaping activities

Creating Lichen-Friendly Spaces

While you can’t plant felt lichen directly, you can create conditions that might encourage it and other native lichens to establish naturally over time. Focus on maintaining clean air quality, preserving natural soil conditions, and avoiding chemical treatments in woodland areas of your property.

If you’re interested in supporting similar ecosystem functions in your cultivated garden spaces, consider native ground covers like wild ginger, wintergreen, or native mosses that can provide some of the same soil-stabilizing and wildlife-supporting benefits.

The Bottom Line

Felt lichen represents one of nature’s most successful partnerships, quietly doing important work in forest ecosystems across North America. While it’s not a garden plant in the traditional sense, recognizing and protecting this fascinating organism helps preserve the complex web of life that makes our natural areas so special. Next time you’re exploring a woodland area, take a moment to appreciate these humble but remarkable creatures living right under your feet!

Felt Lichen

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Peltigerales

Family

Peltigeraceae Dumort.

Genus

Peltigera Willd. - felt lichen

Species

Peltigera malacea (Ach.) Funck - felt lichen

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