North America Native Plant

Bolander’s Claopodium Moss

Botanical name: Claopodium bolanderi

USDA symbol: CLBO10

Habit: nonvascular

Native status: Native to North America  

Synonyms: Thuidium bolanderi (Best) Par. (THBO3)   

Bolander’s Claopodium Moss: A Delicate Pacific Northwest Native If you’ve ever wandered through the misty forests of the Pacific Northwest and noticed delicate, feathery green carpets adorning tree trunks and rocks, you may have encountered Bolander’s claopodium moss (Claopodium bolanderi). This charming little bryophyte is one of those quiet garden ...

Bolander’s Claopodium Moss: A Delicate Pacific Northwest Native

If you’ve ever wandered through the misty forests of the Pacific Northwest and noticed delicate, feathery green carpets adorning tree trunks and rocks, you may have encountered Bolander’s claopodium moss (Claopodium bolanderi). This charming little bryophyte is one of those quiet garden heroes that adds subtle beauty and ecological value to naturalistic landscapes.

What Is Bolander’s Claopodium Moss?

Bolander’s claopodium moss is a terrestrial bryophyte native to North America, particularly thriving in the coastal regions of California and Oregon. Unlike the flowering plants we typically think of when planning our gardens, this moss belongs to an ancient group of plants that reproduce through spores rather than seeds. You might also see it referred to by its scientific synonym, Thuidium bolanderi, in older botanical references.

This moss has a distinctive growth habit, often attaching itself to solid surfaces like rocks, tree bark, or decaying wood rather than rooting directly in soil. It’s completely herbaceous, meaning it stays soft and green year-round in suitable conditions.

Identifying Bolander’s Claopodium Moss

Recognizing this moss in the wild (or in your garden) is part of the fun of appreciating these often-overlooked plants. Here’s what to look for:

  • Feathery, pinnately branched fronds that create delicate, lace-like patterns
  • Bright to deep green coloration that stays vibrant in moist conditions
  • Low-growing, mat-forming habit that hugs surfaces
  • Preference for shaded, humid locations with good air circulation
  • Often found on tree bark, rocks, or decaying wood in woodland settings

Is Bolander’s Claopodium Moss Beneficial in Gardens?

Absolutely! While this moss won’t attract pollinators like flowering plants do, it offers several unique benefits to garden ecosystems:

Aesthetic Value: The delicate, textural quality of Bolander’s claopodium moss adds a sophisticated, naturalistic element to shade gardens and woodland landscapes. Its feathery fronds create beautiful patterns that change subtly with light and moisture levels.

Habitat Creation: Moss mats provide important microhabitats for tiny invertebrates, which in turn support larger wildlife like birds and small mammals. They also help retain moisture and create favorable conditions for other native plants.

Erosion Control: Though small in stature, moss colonies help stabilize soil and prevent erosion on slopes and around tree bases.

Low Maintenance: Once established in suitable conditions, native mosses like Bolander’s claopodium require virtually no care, making them perfect for low-maintenance, sustainable gardens.

Where Does Bolander’s Claopodium Moss Thrive?

This moss is happiest in conditions that mimic its native Pacific Northwest habitat. Think cool, moist, and shaded areas with good air circulation. It’s particularly well-suited for:

  • Woodland and shade gardens
  • Rock gardens with northern exposures
  • Areas around water features
  • Naturalistic landscapes that emphasize native Pacific Coast flora
  • Zones 8-10, where coastal moisture and mild temperatures prevail

Creating Moss-Friendly Conditions

While you can’t exactly plant moss like you would a perennial, you can certainly encourage its natural establishment in your garden. Bolander’s claopodium moss will likely appear on its own if you provide the right conditions:

  • Maintain consistent moisture without waterlogging
  • Provide filtered shade or indirect light
  • Ensure good air circulation to prevent stagnation
  • Avoid using chemical fertilizers or pesticides in moss areas
  • Be patient – moss establishment takes time but is worth the wait

A Gentle Addition to Pacific Gardens

Bolander’s claopodium moss represents the quiet beauty of the Pacific Northwest’s native plant communities. While it may not make a bold statement like a blooming rhododendron, its subtle presence adds depth, texture, and ecological value to gardens that embrace the region’s natural character. If you’re lucky enough to have this delicate moss appear in your garden, consider it a sign that you’re creating a healthy, balanced ecosystem that honors the native landscape.

Bolander’s Claopodium Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Hypnales

Family

Leskeaceae Schimp.

Genus

Claopodium (Lesq. & James) Renauld & Cardot - claopodium moss

Species

Claopodium bolanderi Best - Bolander's claopodium moss

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