North America Native Plant

Jungermannia Karlmuelleri Karlmuelleri

Botanical name: Jungermannia karlmuelleri karlmuelleri

USDA symbol: JUKAK

Habit: nonvascular

Native status: Native to North America  

Jungermannia karlmuelleri karlmuelleri: A Mysterious North American Liverwort If you’ve ever wondered about the tiny green carpets that sometimes appear in shady, moist corners of your garden, you might have encountered a liverwort. Today, we’re diving into the fascinating world of Jungermannia karlmuelleri karlmuelleri, a lesser-known liverwort species native to ...

Rare plant alert!

Region: Conservation status by state

Status: SUT2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Currently unrankable due to lack of information or due to substantially conflicting information about status or trends. ⚘

Jungermannia karlmuelleri karlmuelleri: A Mysterious North American Liverwort

If you’ve ever wondered about the tiny green carpets that sometimes appear in shady, moist corners of your garden, you might have encountered a liverwort. Today, we’re diving into the fascinating world of Jungermannia karlmuelleri karlmuelleri, a lesser-known liverwort species native to North America that’s more mysterious than your average garden plant.

What Exactly Is This Green Carpet?

Jungermannia karlmuelleri karlmuelleri belongs to the liverwort family, making it quite different from the flowering plants and shrubs you’re probably used to. Liverworts are ancient, non-flowering plants that have been around for millions of years – think of them as nature’s original ground cover! This particular species is a terrestrial plant, meaning it grows on land rather than in water, and it has a peculiar habit of attaching itself to solid surfaces like rocks, fallen logs, or even living tree bark rather than settling into soil like most plants.

Where You Might Find This Elusive Species

As a North American native, Jungermannia karlmuelleri karlmuelleri calls our continent home, though specific details about exactly where it prefers to hang out remain somewhat of a botanical mystery. What we do know is that it’s always herbaceous – meaning it stays soft and green rather than developing woody stems like trees and shrubs.

A Rare Find in Your Garden

Here’s something important to know: this liverwort has a Global Conservation Status of S_T2T3, which essentially means its conservation status is still being figured out by scientists. This uncertain status suggests it might be uncommon or rare in certain areas, so if you’re lucky enough to spot it in your landscape, consider yourself witnessing something special!

Is It Beneficial for Your Garden?

While we don’t have specific information about how Jungermannia karlmuelleri karlmuelleri interacts with pollinators or wildlife, liverworts in general can be beneficial garden residents in subtle ways:

  • They help prevent soil erosion on slopes and bare patches
  • They indicate healthy, moisture-retentive soil conditions
  • They add to the biodiversity of your garden ecosystem
  • They provide habitat for tiny soil creatures

How to Identify This Mysterious Liverwort

Identifying Jungermannia karlmuelleri karlmuelleri can be tricky since it’s part of a large group of similar-looking liverworts. Here’s what to look for:

  • Small, flat, green plant formations that hug surfaces closely
  • Preference for attaching to rocks, logs, or bark rather than growing directly in soil
  • Thrives in shady, moist conditions
  • Forms low, carpet-like patches

Should You Try to Cultivate It?

Given its uncertain conservation status and the limited information available about this specific species, it’s probably best to appreciate Jungermannia karlmuelleri karlmuelleri if you find it naturally occurring rather than trying to cultivate it. If you’re interested in encouraging liverworts in general in your garden, focus on creating the conditions they love: shady spots with consistent moisture and surfaces like rocks or logs where they can attach.

The world of liverworts is full of surprises, and Jungermannia karlmuelleri karlmuelleri is certainly one of the more enigmatic members of this ancient plant family. While we may not know everything about this particular species, its presence in North American landscapes adds to the rich tapestry of native biodiversity that makes our gardens truly special.

Jungermannia Karlmuelleri Karlmuelleri

Classification

Group

Liverwort

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Hepaticophyta - Liverworts

Subdivision

Hepaticae

Class

Hepaticopsida

Subclass

Jungermanniae

Order

Jungermanniales

Family

Jungermanniaceae Rchb.

Genus

Jungermannia L. emend. Dumort.

Species

Jungermannia karl-muelleri Grolle

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