# Bud-headed Groove-moss (*Aulacomnium androgynum*)

Bud-headed Groove-moss is a soft, green plant that grows in damp places. It looks like tiny cushions and helps keep the soil healthy while providing homes for tiny creatures.

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

![Bud-headed Groove-moss](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Aulacomnium_androgynum.jpg&width=800)

Photo: Lars Jensen, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Aulacomnium_androgynum.jpg)

## Appearance

The Bud-headed Groove-moss has vibrant, light to yellowish-green leaves forming dense, upright tufts or cushions. Its distinctive feature is slender, reddish-brown stalks, often visible in summer, topped with yellowish, bud-like clusters of asexual reproductive gemmae.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Bryophyta
- **Class:** Bryopsida
- **Order:** Aulacomniales
- **Family:** Aulacomniaceae
- **Genus:** Aulacomnium

## Interesting facts

- If you look closely, its 'bud-heads' are actually mini-moss plants ready to grow!
- It helps kickstart new ecosystems by slowly breaking down rocks to create soil!
- This tiny plant has no true roots; it anchors itself with tiny threads called rhizoids!
- Unlike most plants, its 'leaves' are usually only one cell thick, making it super delicate yet tough!

## Special abilities

- **Budding Power:** Bud-headed Groove-moss can sprout new plants from tiny, detachable 'buds' called gemmae for super-fast reproduction.
- **Drought Shield:** Bud-headed Groove-moss has a special ability to dry out completely and then revive when water returns, surviving harsh periods.
- **Spore Launcher:** Bud-headed Groove-moss can release microscopic spores that are carried by the wind to colonize new, distant places.

## Measurements & details

- **Height:** 2-10 cm
- **Spread:** 5-30 cm
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial

## Ecological connections

- **Depends on:** tinder fungus (*Fomes fomentarius*) — grows on decaying wood where moss thrives.
- **Shelter:** armored water bear (*Echiniscus testudo*) — lives protected within moss mats.
- **Eats:** European red slug (*Arion rufus*) — grazes on damp moss carpets.

## 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.
- [Grass-Like](https://www.snappit.app/explore/traits/grass-like): Grass-like plants are herbaceous plants that visually resemble true grasses, typically having long, narrow leaves.
- [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.
- [Ancient Lineage](https://www.snappit.app/explore/traits/ancient-lineage): This trait signifies organisms belonging to a very old evolutionary group with ancestors dating back millions of years.
- [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.
- [Longevous](https://www.snappit.app/explore/traits/longevous): This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind.
- [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Always be gentle when touching plants and avoid eating any you find outside.

## Frequently Asked Questions

### How to identify Bud-headed Groove-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 Bud-headed Groove-moss?

2-10 cm

### How wide does Bud-headed Groove-moss spread?

5-30 cm

### Is Bud-headed Groove-moss edible?

No

### Is Bud-headed Groove-moss toxic?

None

### What is Bud-headed Groove-moss's lifecycle?

Perennial

### Where is Bud-headed Groove-moss usually found?

Forests

## Where to spot

- [Allison Lake Provincial Park](https://www.snappit.app/guides/places/allison-lake-provincial-park) — British Columbia, CA · State Park

## 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: [Bud-headed Groove-moss: Facts & Places to See — Snappit](https://www.snappit.app/explore/bud-headed-groove-moss)