North America Native Plant

Lophozia Grandiretis

Botanical name: Lophozia grandiretis

USDA symbol: LOGR11

Habit: nonvascular

Native status: Native to North America  

Lophozia grandiretis: A Mysterious North American Liverwort If you’ve ever wondered about those tiny, often overlooked green plants that seem to appear on rocks, logs, and moist surfaces in your garden, you might have encountered a liverwort. Today, we’re diving into the fascinating world of Lophozia grandiretis, a North American ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘

Lophozia grandiretis: A Mysterious North American Liverwort

If you’ve ever wondered about those tiny, often overlooked green plants that seem to appear on rocks, logs, and moist surfaces in your garden, you might have encountered a liverwort. Today, we’re diving into the fascinating world of Lophozia grandiretis, a North American native that belongs to this ancient group of plants that have been quietly thriving on Earth for over 400 million years.

What Exactly Is a Liverwort?

Before we get into the specifics of Lophozia grandiretis, let’s clear up what we’re dealing with. Liverworts are bryophytes – think of them as the cousins of mosses and hornworts. These aren’t your typical garden plants that you’d pick up at the nursery. Instead, they’re tiny, herbaceous plants that prefer to make their homes attached to solid surfaces like rocks, tree bark, or decaying wood rather than growing directly in soil.

Unlike the flowering plants we’re used to gardening with, liverworts don’t have true roots, stems, or leaves. Instead, they have structures that perform similar functions, making them uniquely adapted to their specialized lifestyle.

The North American Native

Lophozia grandiretis is a native species to North America, which means it naturally belongs in our ecosystems and has been here long before European settlement. However, specific details about its exact geographic distribution remain somewhat mysterious, as this species hasn’t been extensively studied or documented in popular botanical literature.

A Plant with Conservation Concerns

Here’s where things get interesting – and a bit concerning. Lophozia grandiretis has a Global Conservation Status of S3?, which indicates there’s some uncertainty about its population status, but it may be of conservation concern. This undefined status suggests that more research is needed to fully understand this species’ current condition and distribution.

If you’re lucky enough to spot this liverwort in your garden or local area, consider yourself a witness to something potentially rare and special.

Is It Beneficial to Have in Your Garden?

While liverworts like Lophozia grandiretis might not provide the showy blooms or dramatic foliage that traditional garden plants offer, they do serve important ecological functions:

  • They help prevent soil erosion on surfaces where they grow
  • They contribute to the overall biodiversity of your garden ecosystem
  • They can indicate healthy, stable environmental conditions
  • They add to the intricate web of life that supports other plants and animals

Think of them as nature’s tiny groundcover specialists, working quietly behind the scenes to maintain ecological balance.

How to Identify Lophozia grandiretis

Here’s the challenge: identifying specific liverwort species like Lophozia grandiretis often requires a microscope and considerable expertise. These plants are incredibly small, and many species look quite similar to the naked eye. If you suspect you’ve found this species, you’d likely need to consult with a bryologist (a scientist who specializes in mosses, liverworts, and hornworts) for positive identification.

What you can look for are the general characteristics of liverworts in your garden:

  • Small, green, flat or leafy structures growing on rocks, logs, or tree bark
  • Preference for moist, shaded areas
  • Growth in patches or mats rather than as individual plants
  • Lack of obvious flowers or seeds

Should You Encourage Liverworts in Your Garden?

The short answer is: if they’re already there naturally, let them be! Liverworts like Lophozia grandiretis aren’t something you typically plant or cultivate intentionally. Instead, they appear on their own when conditions are right.

To create a liverwort-friendly environment, you can:

  • Maintain areas of consistent moisture without overwatering
  • Leave some natural surfaces like logs, rocks, or tree bark undisturbed
  • Avoid using harsh chemicals or fertilizers in areas where bryophytes might grow
  • Create partially shaded areas in your garden

The Bottom Line

Lophozia grandiretis represents the hidden diversity that exists right under our noses in North American gardens and natural areas. While it may not be the star of your landscape design, its presence indicates a healthy, biodiverse environment. Given its potentially uncertain conservation status, any sighting of this species should be appreciated and, if possible, documented.

Remember, gardening isn’t just about the big, showy plants – sometimes the most interesting discoveries come in the smallest packages, quietly doing their part to keep our ecosystems thriving.

Lophozia Grandiretis

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 grandiretis (Lindb. ex Kaal.) Schiffn.

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