North America Native Plant

Lophozia Hyperarctica

Botanical name: Lophozia hyperarctica

USDA symbol: LOHY4

Habit: nonvascular

Native status: Native to North America  

Lophozia hyperarctica: A Rare Arctic Liverwort Worth Knowing Ever heard of Lophozia hyperarctica? Unless you’re a bryophyte enthusiast or Arctic researcher, probably not! This tiny, inconspicuous plant is actually a liverwort – one of nature’s most ancient and fascinating plant groups. While you won’t find it at your local garden ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Lophozia hyperarctica: A Rare Arctic Liverwort Worth Knowing

Ever heard of Lophozia hyperarctica? Unless you’re a bryophyte enthusiast or Arctic researcher, probably not! This tiny, inconspicuous plant is actually a liverwort – one of nature’s most ancient and fascinating plant groups. While you won’t find it at your local garden center, this remarkable species tells an incredible story of survival in some of Earth’s most challenging environments.

What Exactly Is a Liverwort?

Before we dive into the specifics of Lophozia hyperarctica, let’s talk about what liverworts are. These aren’t your typical garden plants – they’re bryophytes, which means they’re more closely related to mosses than to flowering plants. Think of them as nature’s pioneers: small, simple, and incredibly resilient green plants that have been around for over 400 million years!

Liverworts are always herbaceous (non-woody) and often attach themselves to solid surfaces like rocks, tree bark, or decaying wood rather than growing in soil. They’re like nature’s tiny carpets, spreading across surfaces in ways that would make any ground cover envious.

Meet Lophozia hyperarctica

Lophozia hyperarctica is a terrestrial liverwort native to North America, specifically thriving in the frigid Arctic and subarctic regions. This little survivor has adapted to some of the planet’s most extreme conditions, making it a true testament to nature’s ingenuity.

Unfortunately, this species doesn’t have a widely recognized common name – it’s one of those plants that scientists know well, but most gardeners have never encountered. In the scientific community, it’s simply known by its Latin name, which roughly translates to Arctic crest – quite fitting for its preferred habitat!

Where Does It Call Home?

This liverwort makes its home in the harsh, cold climates of Arctic North America. You’ll find it clinging to rocks, soil, and organic matter in areas where most other plants simply can’t survive. It’s perfectly adapted to extremely cold temperatures and short growing seasons.

A Conservation Concern

Here’s where things get serious: Lophozia hyperarctica has a Global Conservation Status of S1, which means it’s critically imperiled. With typically 5 or fewer known occurrences and very few remaining individuals (fewer than 1,000), this tiny liverwort is hanging on by a thread. Its extreme rarity makes it especially vulnerable to extinction.

This rarity status means that while we should appreciate and protect this species, it’s not something you’d want to – or even could – cultivate in your garden. Any specimens should be left undisturbed in their natural habitats.

Is It Beneficial to Gardens?

While Lophozia hyperarctica itself isn’t a garden plant, liverworts as a group can actually be quite beneficial to have around:

  • They help prevent soil erosion
  • They create microhabitats for tiny soil creatures
  • They can indicate healthy, unpolluted environments
  • They add to biodiversity in natural garden settings

However, this particular species is adapted to such specific, extreme conditions that it wouldn’t survive in typical garden environments anyway.

How to Identify Liverworts

If you’re curious about identifying liverworts in general (though you’re unlikely to spot Lophozia hyperarctica unless you’re trekking through the Arctic), here’s what to look for:

  • Small, flat, green plants growing close to surfaces
  • Often have a slightly translucent appearance
  • May have lobed or divided structures
  • Prefer moist, shaded areas
  • No true roots, stems, or leaves like flowering plants

The Bottom Line

Lophozia hyperarctica might not be destined for your garden beds, but it represents something incredibly important: the amazing diversity of plant life that exists beyond our typical gardening horizons. As a critically endangered species, it reminds us that conservation efforts extend far beyond the charismatic megafauna we usually hear about.

While you can’t – and shouldn’t try to – grow this rare liverwort, you can appreciate the incredible world of bryophytes that might already be thriving in the shadier, moister corners of your garden. Next time you spot some small, green, carpet-like growth on a rock or tree, take a moment to appreciate these ancient survivors that have been quietly doing their thing since long before flowers even existed!

Lophozia Hyperarctica

Classification

Group

Liverwort

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Hepaticophyta - Liverworts

Subdivision

Hepaticae

Class

Hepaticopsida

Subclass

Jungermanniae

Order

Jungermanniales

Family

Jungermanniaceae Rchb.

Genus

Lophozia (Dumort.) Dumort.

Species

Lophozia hyperarctica R.M. Schust.

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