North America Native Plant

Sendtner’s Molendoa Moss

Botanical name: Molendoa sendtneriana

USDA symbol: MOSE2

Habit: nonvascular

Native status: Native to North America  

Synonyms: Anoectangium obtusifolium (Broth. & Par.) Grout (ANOB9)  ⚘  Anoectangium sendtnerianum Bruch & Schimp. (ANSE17)  ⚘  Molendoa obtusifolia Broth. & Par. (MOOB)   

Sendtner’s Molendoa Moss: A Tiny Native Worth Knowing Meet Sendtner’s molendoa moss (Molendoa sendtneriana), a petite native bryophyte that you’ve probably walked past dozens of times without noticing. This unassuming little moss might not win any beauty contests, but it plays a surprisingly important role in North American ecosystems – ...

Sendtner’s Molendoa Moss: A Tiny Native Worth Knowing

Meet Sendtner’s molendoa moss (Molendoa sendtneriana), a petite native bryophyte that you’ve probably walked past dozens of times without noticing. This unassuming little moss might not win any beauty contests, but it plays a surprisingly important role in North American ecosystems – and understanding it can help you appreciate the intricate world of tiny plants thriving right under your nose.

What Exactly Is Sendtner’s Molendoa Moss?

Sendtner’s molendoa moss belongs to the fascinating world of bryophytes – those ancient, non-flowering plants that include mosses, liverworts, and hornworts. Unlike the flashy flowering plants in your garden, this moss is all about subtle survival strategies. It’s a terrestrial species, meaning it grows on land rather than in water, and it has a particular fondness for attaching itself to solid surfaces like rocks and wood rather than settling into soil.

Scientifically speaking, this moss has had quite the identity crisis over the years, with botanists shuffling it between different names including Anoectangium obtusifolium and Molendoa obtusifolia. But don’t worry – whatever name it goes by, it’s the same hardy little survivor.

Where You’ll Find This Native Moss

As a North American native, Sendtner’s molendoa moss has been quietly calling this continent home long before European settlers arrived. While specific distribution details are still being mapped by researchers, this moss represents part of our rich native bryophyte heritage that often goes unnoticed in discussions about native plants.

Is This Moss Beneficial for Your Garden?

Here’s where things get interesting. While Sendtner’s molendoa moss isn’t something you’d typically plant or cultivate like a traditional garden plant, it can be beneficial if it shows up naturally on your property. Here’s why:

  • Soil stabilization: Mosses help prevent erosion on slopes and around rock features
  • Microhabitat creation: They provide shelter for tiny insects and other small creatures
  • Natural indicator: The presence of native mosses can indicate healthy, relatively undisturbed growing conditions
  • Low-maintenance ground cover: Once established, mosses require virtually no care

Unlike flowering plants, mosses don’t produce nectar or pollen, so they won’t directly attract pollinators to your garden. However, they do support the broader ecosystem by creating microhabitats for small invertebrates that many birds and other wildlife depend on.

How to Identify Sendtner’s Molendoa Moss

Spotting this particular moss requires a bit of detective work, as it’s quite small and can easily blend into its surroundings. Look for these characteristics:

  • Forms thin patches or small cushions on rocky surfaces
  • Prefers to grow on rocks, dead wood, or other solid substrates rather than soil
  • Appears as a low, herbaceous growth that stays close to its growing surface
  • Often found in partially shaded areas, though it can tolerate some sun

Because moss identification can be quite technical and often requires microscopic examination, you might want to consult with local botanists or bryologists if you’re curious about confirming the identity of mosses on your property.

Should You Encourage This Moss in Your Landscape?

If Sendtner’s molendoa moss appears naturally in your garden or landscape, consider yourself lucky to host this native species. Rather than trying to remove it, you can encourage its presence by:

  • Maintaining consistent moisture levels in the area
  • Avoiding the use of harsh chemicals or fertilizers nearby
  • Preserving the rocky or woody surfaces it prefers
  • Minimizing foot traffic in areas where it’s established

Remember, mosses like this one are part of North America’s natural heritage. They’ve been quietly doing their job of stabilizing surfaces and supporting tiny ecosystems for thousands of years. While they might not be the showstoppers of your garden, they deserve our respect and protection as valuable native species.

The Bottom Line

Sendtner’s molendoa moss might be small, but it’s a perfect example of how native plants – even the tiniest ones – contribute to healthy ecosystems. You probably won’t find this moss at your local nursery, and you don’t need to actively plant it. Instead, appreciate it as one of nature’s quiet workers, doing its part to keep our landscapes healthy and diverse, one tiny patch at a time.

Sendtner’s Molendoa Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Pottiales

Family

Pottiaceae Hampe

Genus

Molendoa Lindb. - molendoa moss

Species

Molendoa sendtneriana (Bruch & Schimp.) Limpr. - Sendtner's molendoa moss

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