North America Native Plant

Scapania Paludicola Var. Viridigemma

Botanical name: Scapania paludicola var. viridigemma

USDA symbol: SCPAV

Habit: nonvascular

Native status: Native to North America  

Discovering Scapania paludicola var. viridigemma: A Rare North American Liverwort If you’ve stumbled across the name Scapania paludicola var. viridigemma in your botanical wanderings, you’ve encountered one of nature’s more elusive characters. This tiny liverwort represents a fascinating piece of North America’s native plant puzzle, though it’s definitely not your ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T4: 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 varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Discovering Scapania paludicola var. viridigemma: A Rare North American Liverwort

If you’ve stumbled across the name Scapania paludicola var. viridigemma in your botanical wanderings, you’ve encountered one of nature’s more elusive characters. This tiny liverwort represents a fascinating piece of North America’s native plant puzzle, though it’s definitely not your typical garden center find!

What Exactly Is This Little Green Wonder?

Scapania paludicola var. viridigemma belongs to the ancient world of liverworts – those small, often overlooked plants that have been quietly doing their thing on Earth for over 400 million years. Unlike the flashy flowering plants that dominate most gardens, liverworts are non-vascular plants that reproduce through spores rather than seeds.

This particular species is what botanists call a terrestrial green plant, meaning it grows on land rather than in water. You won’t find it rooted in soil like your typical garden plants, though. Instead, it prefers to attach itself to solid surfaces like rocks, fallen logs, or even living tree bark.

Where Does It Call Home?

This liverwort is native to North America, making it a true local when it comes to our continent’s natural heritage. However, specific details about where exactly you might encounter it in the wild remain somewhat mysterious – this is clearly a species that prefers to keep a low profile!

The Rarity Factor

Here’s where things get interesting (and a bit concerning). Scapania paludicola var. viridigemma carries a Global Conservation Status of S5T2T4, which indicates some level of conservation concern. While the exact implications of this status aren’t entirely clear, it suggests this little liverwort isn’t exactly common. This rarity makes it more of a look but don’t touch situation for most of us.

Is It Garden-Worthy?

Let’s be honest – this isn’t a plant you’ll be adding to your weekend garden center shopping list anytime soon. Liverworts like Scapania paludicola var. viridigemma aren’t typically cultivated in home gardens, and given its apparent rarity, that’s probably for the best.

However, if you’re lucky enough to spot this species growing naturally on your property, consider yourself blessed with a tiny piece of botanical treasure. These ancient plants play important ecological roles, even if we don’t fully understand all their benefits yet.

Spotting This Elusive Species

Identifying liverworts can be tricky business, even for experienced botanists. Without more specific descriptive details available for this particular variety, your best bet for positive identification would be to:

  • Look for small, green, leaf-like structures growing flat against rocks or wood
  • Check for the characteristic liverwort appearance – they often look like tiny green ribbons or scales
  • Consult with local botanists or mycological societies if you suspect you’ve found something special
  • Take detailed photos and notes about the habitat where you found it

The Bottom Line

Scapania paludicola var. viridigemma represents one of those wonderful botanical mysteries that remind us how much we still have to learn about the natural world. While you won’t be planting it in your perennial border anytime soon, knowing that such specialized species exist in North America’s ecosystems adds richness to our understanding of native biodiversity.

If you’re passionate about supporting native species, focus your garden efforts on the many well-documented native flowering plants, shrubs, and trees that are readily available and proven to support local wildlife. Leave the rare liverworts to the specialists and researchers who can study them responsibly.

Sometimes the most valuable plants are the ones we simply appreciate from a distance, knowing they’re out there quietly contributing to the intricate web of life that makes our natural areas so special.

Scapania Paludicola Var. Viridigemma

Classification

Group

Liverwort

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Hepaticophyta - Liverworts

Subdivision

Hepaticae

Class

Hepaticopsida

Subclass

Jungermanniae

Order

Jungermanniales

Family

Scapaniaceae Mig.

Genus

Scapania (Dumort.) Dumort., nom. cons.

Species

Scapania paludicola Loeske & Müll. Frib.

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