# Waved Silk-moss (*Plagiothecium undulatum*)

Waved Silk-moss is a soft, green plant that grows in damp places. It has wavy leaves that look like little waves, making it fun to touch and see in nature.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 1
- **Habitat:** Forests

![Waved Silk-moss](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Plagiothecium_undulatum_2006.01.08_14.21.27-p1080043.jpg&width=800)

Photo: Michael Becker, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Plagiothecium_undulatum_2006.01.08_14.21.27-p1080043.jpg)

## Appearance

The Waved Silk-moss has vibrant green, flattened shoots with a distinct wavy or corrugated texture. Its glossy, overlapping leaves create a shimmering, silky mat, making it easily distinguishable in its forest habitat.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Bryophyta
- **Class:** Bryopsida
- **Order:** Hypnales
- **Family:** Plagiotheciaceae
- **Genus:** Plagiothecium

## Interesting facts

- Instead of seeds, Waved Silk-moss reproduces using microscopic spores, like tiny plant dust.
- It can survive extreme drying out, then spring back to life when water returns!
- Mosses were among the first plants to grow on land, hundreds of millions of years ago!
- Waved Silk-moss helps create tiny 'forests' for even tinier creatures, like springtails and mites.

## Special abilities

- **Water Magnet:** Waved Silk-moss can absorb and hold many times its weight in water, helping it survive dry periods and keep its environment moist.
- **Creeping Colonizer:** Waved Silk-moss has rhizoids that help it cling tightly to surfaces like rocks and bark, allowing it to grow where other plants can't.
- **Spore Spreader:** Waved Silk-moss can release tiny spores into the wind, enabling it to travel far and colonize new, suitable habitats.

## Measurements & details

- **Height:** 2-5 cm
- **Spread:** 5-20 cm
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial

## Ecological connections

- **Shelter:** Snow Flea (*Hypogastrura socialis*) — Lives and forages within moss mats.
- **Depends on:** [European Beech](https://www.snappit.app/explore/european-beech) (*Fagus sylvatica*) — Often grows epiphytically on its bark as a substrate.
- **Shelter:** Soil Mite (*Scheloribates laevigatus*) — Feeds on detritus and fungi within the moss.

## Traits

- [Nonvascular](https://www.snappit.app/explore/traits/nonvascular): This trait characterizes plants lacking specialized vascular tissues (xylem and phloem) for transporting water and nutrients.
- [Shade Tolerant](https://www.snappit.app/explore/traits/shade-tolerant): Shade tolerant plants are adapted to grow and thrive in areas with low light levels, requiring less direct sunlight.
- [Decomposer](https://www.snappit.app/explore/traits/decomposer): Describes organisms that break down dead organic material, recycling nutrients back into the ecosystem.
- [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Always be gentle when touching plants and mosses to protect them.

## Frequently Asked Questions

### How to identify Waved Silk-moss?

Compare growth form, branching, tiny leaves and any spore capsules. Mosses, liverworts and lichens can share a spot but are very different organisms. Moss Identifier: upload a photo and compare the visible details.

### How tall is Waved Silk-moss?

2-5 cm

### How wide does Waved Silk-moss spread?

5-20 cm

### Is Waved Silk-moss edible?

No

### Is Waved Silk-moss toxic?

None

### What is Waved Silk-moss's lifecycle?

Perennial

### Where is Waved Silk-moss usually found?

Forests

## Where to spot

- [Sitka National Historical Park](https://www.snappit.app/guides/places/sitka-national-historical-park) — US · National Park
- [Roberts Creek Provincial Park](https://www.snappit.app/guides/places/roberts-creek-provincial-park) — British Columbia, CA · State Park
- [Juan de Fuca Provincial Park](https://www.snappit.app/guides/places/juan-de-fuca-provincial-park) — British Columbia, CA · State Park
- [Skookumchuck Narrows Provincial Park](https://www.snappit.app/guides/places/skookumchuck-narrows-provincial-park) — British Columbia, CA · State Park
- [Say Nuth Khaw Yum Provincial Park](https://www.snappit.app/guides/places/say-nuth-khaw-yum-provincial-park) — British Columbia, CA · State Park

[View all places to see Waved Silk-moss](https://www.snappit.app/guides/where-to-see/waved-silk-moss)

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Waved Silk-moss: Facts & Places to See — Snappit](https://www.snappit.app/explore/waved-silk-moss)