Native Plants

Breutel’s Notothylas

Notothylas breutelii

USDA symbol: NOBR3

North America: native

Have you ever wondered about those tiny, flat green patches you sometimes spot on moist soil in shaded areas? You might be looking at Breutel’s notothylas (Notothylas breutelii), a fascinating little hornwort that’s been quietly doing its thing in North American ecosystems for who knows how long. Breutel’s notothylas belongs ...

Meet Breutel’s Notothylas: The Tiny Hornwort You’ve Probably Never Noticed

Have you ever wondered about those tiny, flat green patches you sometimes spot on moist soil in shaded areas? You might be looking at Breutel’s notothylas (Notothylas breutelii), a fascinating little hornwort that’s been quietly doing its thing in North American ecosystems for who knows how long.

What Exactly Is Breutel’s Notothylas?

Breutel’s notothylas belongs to that often-overlooked group of plants called hornworts. Think of hornworts as the understated cousins of mosses and liverworts – they’re all part of the bryophyte family, but hornworts have their own unique charm. This particular species is a small, flat, green plant that forms thin, ribbon-like structures called thalli (that’s the fancy plural of thallus).

You might also see this little guy referenced by its scientific synonyms, including Anthoceros breutelii or Notothylas amazonica, depending on which old botanical text you’re reading. Scientists love to shuffle names around, don’t they?

Where Does It Call Home?

Breutel’s notothylas is native to North America, particularly thriving in the warmer, more humid regions. You’ll likely find it in the southeastern United States, where the climate provides the perfect balance of warmth and moisture that these little plants crave.

Spotting Breutel’s Notothylas in the Wild

Identifying this hornwort requires a bit of detective work since it’s quite small and unassuming. Here’s what to look for:

  • Flat, green, ribbon-like structures growing close to the ground
  • Usually found on moist, rich soil in shaded areas
  • Often attached to organic matter like decaying wood or leaf litter
  • Tiny and easy to miss – you might need to get down on your hands and knees
  • No flowers or traditional leaves (remember, it’s a hornwort!)

Is It Good for Your Garden?

Here’s the thing about Breutel’s notothylas – you can’t really plant it in the traditional sense. This isn’t a species you’ll find at your local nursery, and you certainly can’t sow seeds or transplant divisions. Hornworts like this one appear naturally when conditions are just right.

But if you’re lucky enough to have Breutel’s notothylas show up in your garden naturally, consider it a good sign! Its presence often indicates:

  • Healthy, undisturbed soil with good organic content
  • Proper moisture levels in shaded areas
  • A balanced ecosystem that supports diverse plant life

Creating Hornwort-Friendly Conditions

While you can’t actively grow Breutel’s notothylas, you can certainly create conditions that might encourage it (and other beneficial bryophytes) to appear naturally:

  • Maintain shaded, moist areas in your garden
  • Add organic matter like leaf litter to soil
  • Avoid disturbing quiet corners of your landscape
  • Keep soil consistently moist but not waterlogged
  • Minimize chemical treatments that might harm delicate plant communities

The Bigger Picture

Breutel’s notothylas might be tiny, but it plays an important role in its ecosystem. Like other bryophytes, it helps with soil stabilization, water retention, and provides microhabitats for even smaller organisms. It’s part of that intricate web of life that makes healthy ecosystems tick.

So the next time you’re wandering through a shaded, moist area and spot some tiny green ribbons on the ground, take a moment to appreciate Breutel’s notothylas. It might not be the showiest plant in your garden, but it’s definitely one of the most interesting – a living link to some of the earliest land plants on Earth, quietly doing its part to keep our ecosystems healthy and diverse.

Notothylas breutelii is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Notothylas breutelii is also known as:

Anthoceros breutelii | USDA symbol: ANBR16
Notothylas amazonica | USDA symbol: NOAM
Notothylas cubana | USDA symbol: NOCU2

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Hornwort
Kingdom: Plantae - Plants
Division: Anthocerotophyta - Hornworts
Subdivision: Anthocerotae
Class: Anthocerotopsida
Order: Anthocerotales
Family: Notothyladaceae Müll. Frib. ex Prosk.
Genus: Notothylas Sull. - notothylas

Species: Notothylas breutelii (Gottsche) Gottsche - Breutel's notothylas

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