North America Native Plant

Oregon Fontinalis Moss

Botanical name: Fontinalis antipyretica var. oregonensis

USDA symbol: FOANO

Habit: nonvascular

Native status: Native to North America  

Synonyms: Fontinalis allenii Cardot (FOAL)  ⚘  Fontinalis chrysophylla Cardot (FOCH)  ⚘  Fontinalis howellii Renauld & Cardot (FOHO)  ⚘  Fontinalis kindbergii Renauld & Cardot (FOKI)   

Oregon Fontinalis Moss: The Underwater Wonder for Your Water Garden If you’ve ever peered into a crystal-clear mountain stream and noticed those lush, feathery green cushions swaying gently in the current, you’ve likely spotted Oregon fontinalis moss (Fontinalis antipyretica var. oregonensis). This aquatic moss is like the unsung hero of ...

Oregon Fontinalis Moss: The Underwater Wonder for Your Water Garden

If you’ve ever peered into a crystal-clear mountain stream and noticed those lush, feathery green cushions swaying gently in the current, you’ve likely spotted Oregon fontinalis moss (Fontinalis antipyretica var. oregonensis). This aquatic moss is like the unsung hero of freshwater ecosystems – quietly doing its job while adding natural beauty to any water feature.

What Exactly Is Oregon Fontinalis Moss?

Oregon fontinalis moss is a native North American aquatic moss that belongs to the bryophyte family – those ancient, non-flowering plants that have been around since long before your garden’s fanciest flowers evolved. Unlike its terrestrial moss cousins that carpet forest floors, this variety has adapted to life underwater, creating dense, dark green mats that look almost like miniature underwater forests.

You might also encounter this moss listed under several scientific synonyms, including Fontinalis allenii, Fontinalis chrysophylla, Fontinalis howellii, and Fontinalis kindbergii – botanists sure love their naming conventions!

Where Does It Call Home?

This moss is native to the Pacific Northwest region of North America, with Oregon being a particular stronghold (hence the name!). It thrives in the cool, clean waters of streams, ponds, and lakes throughout this region.

Is It Beneficial for Your Garden?

Absolutely! If you have a water feature, Oregon fontinalis moss can be a fantastic addition for several reasons:

  • Natural water filtration: Like a living sponge, it helps absorb nutrients and pollutants from water
  • Habitat creation: Provides shelter and breeding grounds for small aquatic creatures
  • Erosion control: Its dense growth helps stabilize underwater surfaces
  • Low maintenance: Once established, it pretty much takes care of itself
  • Year-round interest: Stays green even in cooler months

How to Spot Oregon Fontinalis Moss

Identifying this aquatic moss is easier than you might think:

  • Location: Always found in or very close to water – streams, pond edges, or fully submerged
  • Appearance: Forms dense, cushion-like mats of dark green, feathery stems
  • Texture: Soft and spongy when touched, with delicate branching patterns
  • Attachment: Usually anchored to rocks, logs, or other solid underwater surfaces rather than growing in soil
  • Size: Individual plants are small, but colonies can spread to cover large areas

Perfect Spots for This Aquatic Beauty

Oregon fontinalis moss thrives in USDA hardiness zones 6-9, making it suitable for many temperate gardens. It’s perfect for:

  • Natural swimming ponds
  • Water gardens with flowing features
  • Bog gardens with standing water
  • Stream restoration projects
  • Wildlife pond edges

Growing Conditions and Care Tips

The good news is that this moss isn’t fussy – it just has a few specific needs:

  • Water quality: Prefers clean, cool water (think mountain stream, not stagnant puddle)
  • Light: Partial shade to full shade works best
  • Attachment: Needs something solid to anchor to – rocks, driftwood, or concrete work well
  • Flow: Can handle both still and moving water, though gentle movement is ideal
  • Temperature: Prefers cooler water temperatures

To introduce it to your water garden, simply attach small pieces to submerged rocks or wood using fishing line or cotton thread. The moss will gradually establish itself and spread naturally.

A Few Things to Keep in Mind

While Oregon fontinalis moss doesn’t directly attract pollinators like flowering plants (mosses reproduce through spores, not flowers), it supports the broader ecosystem by providing habitat for insects and small aquatic creatures that pollinators might feed on.

This native moss is an excellent choice for gardeners looking to create authentic, low-impact water features that support local ecosystems. It’s not invasive, requires minimal care once established, and adds that natural, I’ve been here forever look to any water garden.

So next time you’re planning a water feature or looking to enhance an existing pond, consider giving Oregon fontinalis moss a try. Your local wildlife – and your low-maintenance gardening schedule – will thank you!

Oregon Fontinalis Moss

Classification

Group

Moss

Kingdom

Plantae - Plants

Subkingdom
Superdivision
Division

Bryophyta - Mosses

Subdivision

Musci

Class

Bryopsida - True mosses

Subclass

Bryidae

Order

Isobryales

Family

Fontinalaceae Schimp.

Genus

Fontinalis Hedw. - fontinalis moss

Species

Fontinalis antipyretica Hedw. - antifever fontinalis moss

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