North America Native Plant

Bering Reindeer Lichen

Botanical name: Cladina arbuscula beringiana

USDA symbol: CLARB

Habit: lichen

Native status: Native to North America  

Synonyms: Cladina beringiana (Ahti) Trass (CLBE5)   

Bering Reindeer Lichen: A Fascinating Arctic Ground Cover for Specialized Gardens If you’ve ever wondered about those peculiar, coral-like gray structures dotting the northern wilderness, you’ve likely encountered the fascinating world of lichens. Among these remarkable organisms, Bering reindeer lichen (Cladina arbuscula beringiana) stands out as a particularly interesting species ...

Bering Reindeer Lichen: A Fascinating Arctic Ground Cover for Specialized Gardens

If you’ve ever wondered about those peculiar, coral-like gray structures dotting the northern wilderness, you’ve likely encountered the fascinating world of lichens. Among these remarkable organisms, Bering reindeer lichen (Cladina arbuscula beringiana) stands out as a particularly interesting species that can add unique texture and character to specialized garden settings.

What Exactly Is Bering Reindeer Lichen?

Before we dive into its garden potential, let’s clear up what this organism actually is. Bering reindeer lichen isn’t a plant at all—it’s a lichen! Lichens are fascinating composite organisms made up of a fungus and an alga (or sometimes a cyanobacterium) living together in a mutually beneficial relationship. Think of it as nature’s ultimate roommate situation where both parties benefit from the arrangement.

This particular lichen species is native to North America, specifically thriving in the harsh Arctic and subarctic regions of Alaska and northern Canada. You might also see it referenced by its synonym, Cladina beringiana.

Identifying Bering Reindeer Lichen

Spotting this lichen in the wild (or in your garden) is relatively straightforward once you know what to look for:

  • Silvery-gray to pale gray coloration
  • Highly branched, coral-like structure that resembles tiny antlers
  • Forms cushion-like mats or patches on the ground
  • Typically grows 2-4 inches tall
  • Has a somewhat brittle, dry texture when touched

Is It Beneficial for Your Garden?

The short answer is: it depends on what you’re trying to achieve! Bering reindeer lichen can be a unique addition to very specific garden types, but it’s definitely not your typical landscaping choice.

Where It Thrives

This Arctic native is hardy in USDA zones 1-6, making it suitable for northern gardeners looking to create authentic cold-climate landscapes. It performs best in:

  • Well-drained, acidic soils
  • Full sun to partial shade conditions
  • Cool, moist environments
  • Areas with good air circulation and minimal pollution

Garden Applications

While you won’t find Bering reindeer lichen at your typical garden center, it can serve specific purposes in specialized gardens:

  • Rock gardens: Creates interesting textural contrast among stones
  • Alpine gardens: Adds authenticity to high-elevation plant displays
  • Native plant gardens: Perfect for northern native plant enthusiasts
  • Xerophytic displays: Requires minimal water once established

The Reality Check

Let’s be honest—growing Bering reindeer lichen isn’t like planting petunias. This organism grows incredibly slowly and can take years to establish. It’s also quite sensitive to air pollution and changes in its environment. If you’re looking for quick results or live in an urban area with poor air quality, this might not be the best choice for your garden.

Additionally, since lichens don’t produce flowers, they won’t attract pollinators like bees or butterflies. However, they do provide some wildlife benefits, particularly as a food source for caribou and reindeer in their native range.

A Unique Addition for the Right Garden

Bering reindeer lichen represents a fascinating intersection between the wild Arctic landscape and specialized gardening. While it’s not suitable for every garden or gardener, those with the patience and proper conditions might find it an intriguing addition to their northern native plant collection. Just remember—this is definitely a slow and steady wins the race kind of organism, perfect for gardeners who appreciate subtle beauty and have a fascination with the unique forms life can take in harsh environments.

If you’re considering adding this lichen to your landscape, make sure you’re committed to providing the cool, clean conditions it needs to thrive. With the right care and environment, Bering reindeer lichen can offer a truly unique glimpse into the remarkable world of Arctic plant communities right in your own backyard.

Bering Reindeer Lichen

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Lecanorales

Family

Cladoniaceae Zenker

Genus

Cladina (Nyl.) Nyl. - reindeer lichen

Species

Cladina arbuscula (Wallr.) Hale & W.L. Culb. - 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