Native Plants

Ciliate Reindeer Lichen

Cladina ciliata var. ciliata

USDA symbol: CLCIC

North America: native

Have you ever noticed pale, branching, coral-like growths carpeting the ground in shady areas of your garden? You might be looking at ciliate reindeer lichen (Cladina ciliata var. ciliata), one of nature’s most intriguing organisms that’s neither plant nor animal, but something wonderfully unique. Despite its name suggesting it’s a ...

Discovering Ciliate Reindeer Lichen: A Fascinating Garden Visitor

Have you ever noticed pale, branching, coral-like growths carpeting the ground in shady areas of your garden? You might be looking at ciliate reindeer lichen (Cladina ciliata var. ciliata), one of nature’s most intriguing organisms that’s neither plant nor animal, but something wonderfully unique.

What Exactly Is Ciliate Reindeer Lichen?

Despite its name suggesting it’s a plant, ciliate reindeer lichen is actually a fascinating partnership between a fungus and an algae living together in perfect harmony. This symbiotic relationship creates what we see as a single organism that can thrive in some pretty harsh conditions where regular plants might struggle.

This native North American species forms dense, cushion-like mats of pale gray to whitish branches that can grow several inches tall. The intricate branching structure gives it an almost coral-like appearance, making it a surprisingly beautiful addition to naturalistic landscapes.

Where You’ll Find This Northern Beauty

Ciliate reindeer lichen calls much of northern North America home, thriving in boreal forests and tundra regions. It’s particularly fond of acidic soils in open, pine-dominated forests where it can form extensive carpets across the forest floor.

Identifying Ciliate Reindeer Lichen in Your Garden

Spotting this lichen is easier than you might think once you know what to look for:

  • Dense, branching cushions that look like tiny coral formations
  • Pale gray to whitish coloration
  • Height typically ranging from 2-4 inches
  • Grows directly on acidic soil rather than on trees or rocks
  • Forms extensive mats in suitable conditions
  • Feels somewhat spongy when dry, becoming more pliable when moist

Is It Beneficial to Have in Your Garden?

Absolutely! While you can’t exactly plant ciliate reindeer lichen like a traditional garden plant, having it naturally occur in your landscape is actually a wonderful sign. Here’s why:

  • It indicates clean air quality, as lichens are sensitive to pollution
  • Provides important habitat and food for various wildlife species
  • Helps prevent soil erosion with its mat-like growth
  • Adds unique texture and visual interest to naturalistic gardens
  • Requires absolutely no maintenance once established

Creating Conditions for Natural Establishment

While you can’t grow ciliate reindeer lichen from seed or cuttings, you can encourage its natural establishment if you live within its native range (USDA hardiness zones 1-6). The key is creating the right environment:

  • Maintain acidic soil conditions (pH 4.5-6.0)
  • Ensure areas receive filtered light rather than full sun
  • Avoid using fertilizers or chemicals that might disrupt the delicate balance
  • Keep foot traffic to a minimum in potential lichen areas
  • Be patient – lichens grow incredibly slowly, sometimes taking decades to establish substantial colonies

A Living Indicator of Environmental Health

Perhaps the most exciting thing about discovering ciliate reindeer lichen in your garden is what it tells you about your local environment. These sensitive organisms only thrive in areas with clean air and minimal pollution, making them excellent bioindicators of ecosystem health.

If you’re fortunate enough to have ciliate reindeer lichen naturally occurring in your landscape, consider yourself lucky! You’re witnessing one of nature’s most successful partnerships in action, and your garden is clearly providing the clean, healthy environment these remarkable organisms need to flourish.

Remember, the best approach with any lichen is simply to observe and appreciate rather than disturb. These slow-growing marvels have been perfecting their survival strategy for millions of years – sometimes the best gardening is simply getting out of nature’s way.

Cladina ciliata var. ciliata is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Cladina ciliata var. ciliata is also known as:

Cladina leucophaea Hale & | USDA symbol: CLLE5
Cladonia leucophaea | USDA symbol: CLLE8

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Lichen
Kingdom: Fungi - Fungi
Division: Ascomycota - Sac fungi
Class: Ascomycetes
Order: Lecanorales
Family: Cladoniaceae Zenker
Genus: Cladina (Nyl.) Nyl. - reindeer lichen

Species: Cladina ciliata (Stirt.) Trass - ciliate reindeer lichen

Variety: Cladina ciliata (Stirt.) Trass var. ciliata - ciliate reindeer lichen

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