North America Native Plant

Frullanoides Corticalis

Botanical name: Frullanoides corticalis

USDA symbol: FRCO10

Habit: nonvascular

Native status: Native to North America  

Frullanoides corticalis: The Mysterious North American Liverwort Ever stumbled across tiny, leaf-like growths clinging to tree bark or rocks and wondered what they were? You might have encountered a liverwort! Today, we’re diving into the fascinating world of Frullanoides corticalis, a native North American liverwort that’s more common than you ...

Frullanoides corticalis: The Mysterious North American Liverwort

Ever stumbled across tiny, leaf-like growths clinging to tree bark or rocks and wondered what they were? You might have encountered a liverwort! Today, we’re diving into the fascinating world of Frullanoides corticalis, a native North American liverwort that’s more common than you might think, even if you’ve never noticed it before.

What Exactly Is a Liverwort?

Before we get into the specifics of Frullanoides corticalis, let’s talk about what liverworts actually are. These aren’t your typical garden plants – they’re part of an ancient group of plants called bryophytes, which also includes mosses and hornworts. Think of them as the great-great-great (add about a million more greats) grandparents of all land plants!

Liverworts are always herbaceous, meaning they stay soft and green rather than developing woody stems. What makes them particularly interesting is their preference for hitching rides on solid surfaces like rocks, tree bark, or even old wooden structures, rather than growing directly in soil like most plants we’re familiar with.

Meet Frullanoides corticalis

Frullanoides corticalis is a native species that calls North America home. While it may not have a catchy common name that rolls off the tongue, this little liverwort plays its part in our native ecosystems. As a terrestrial species, you’re most likely to spot it growing on various surfaces in its natural habitat.

Is It Beneficial to Have in Your Garden?

Here’s where things get interesting! While you probably won’t be rushing to the nursery to buy Frullanoides corticalis (spoiler alert: they don’t sell it), having liverworts like this one show up naturally in your garden is actually a good sign. Here’s why:

  • They indicate good air quality – liverworts are sensitive to pollution
  • They contribute to the overall biodiversity of your outdoor space
  • They help retain moisture in their immediate environment
  • They’re part of the natural ecosystem that supports other wildlife

Think of them as tiny, green environmental monitors that tell you your garden is healthy enough to support these sensitive little plants.

How to Spot Frullanoides corticalis

Identifying specific liverwort species can be tricky, even for experts, but here are some general characteristics to look for:

  • Small, flattened, leaf-like structures
  • Growing attached to bark, rocks, or other solid surfaces
  • Green coloration (though this can vary with moisture and light conditions)
  • Often found in shaded, humid locations
  • Typically forms small patches or colonies

Remember, liverworts are quite small, so you might need to look closely to notice them. They’re masters of blending into their surroundings!

Creating Liverwort-Friendly Conditions

While you can’t exactly plant liverworts in the traditional sense, you can create conditions that welcome them to your garden naturally:

  • Maintain areas of natural shade and humidity
  • Avoid using harsh chemicals or pesticides
  • Leave some natural surfaces like rocks or old wood undisturbed
  • Keep some areas of your garden a bit wilder and less manicured

The Bottom Line

Frullanoides corticalis might not be the showstopper of your garden, but it represents something pretty special – a connection to ancient plant lineages and healthy ecosystems. If you’re lucky enough to have liverworts growing naturally in your outdoor space, consider it a compliment to your gardening practices. You’ve created an environment clean and balanced enough for these sensitive little plants to thrive.

So next time you’re wandering around your garden, take a moment to look closely at those tree trunks and rock surfaces. You might just spot some of these fascinating tiny plants that have been quietly doing their thing for millions of years!

Frullanoides Corticalis

Classification

Group

Liverwort

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Hepaticophyta - Liverworts

Subdivision

Hepaticae

Class

Hepaticopsida

Subclass

Jungermanniae

Order

Jungermanniales

Family

Lejeuneaceae Rostovzev

Genus

Frullanoides Slageren

Species

Frullanoides corticalis (Lehm. & Lindenb.) Slageren

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