# Crescent-cup liverwort (*Lunularia cruciata*)

The Crescent-cup liverwort is a small, green plant that grows close to the ground. It looks like tiny cups and loves to live in damp places like forests and gardens.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 4
- **Habitat:** Forests

![Crescent-cup liverwort](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Lunularia_cruciata.jpg&width=800)

Photo: Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Lunularia_cruciata.jpg)

## Appearance

The Crescent-cup liverwort has a flat, ribbon-like body (thallus) that is bright to dark green and often shiny. It features distinctive crescent-shaped cups on its upper surface, which are crucial for its unique reproduction. These cups make it visually stand out from many other small ground-covering plants.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Marchantiophyta
- **Class:** Marchantiopsida
- **Order:** Lunulariales
- **Family:** Lunulariaceae
- **Genus:** Lunularia

## Interesting facts

- Crescent-cup liverwort is one of the oldest types of land plants on Earth!
- It needs water for its male reproductive cells to swim and find female parts!
- Its tiny 'gemmae' are like miniature clones, ready to sprout into new plants!
- These fascinating plants can thrive in many places, even inside your greenhouse!

## Special abilities

- **Splash-Cup Reproducer:** Crescent-cup liverwort has tiny gemma cups that splash out plantlets when raindrops hit them, spreading new plants!
- **Direct Water Absorber:** It can absorb water directly through its entire surface, allowing it to thrive in damp places without true roots.
- **Anchorless Survivor:** Crescent-cup liverwort has simple rhizoids (not true roots) that just help it anchor, letting it live on rocks or bark.

## Measurements & details

- **Height:** 0.5-2 cm
- **Spread:** 1-5 cm
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Water

## Ecological connections

- **Eaten by:** [Black slug](https://www.snappit.app/explore/black-slug) (*Arion ater*) — Slugs may graze on its moist thallus
- **Eaten by:** [Garden snail](https://www.snappit.app/explore/garden-snail) (*Helix aspersa*) — Snails can consume parts of the liverwort
- **Shelter:** White springtail (*Folsomia candida*) — Provides microhabitat for small invertebrates

## 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.
- [Spore Producing](https://www.snappit.app/explore/traits/spore-producing): Spore-producing organisms reproduce by releasing small, often single-celled, reproductive units called spores.
- [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.
- [Miniature](https://www.snappit.app/explore/traits/miniature): Pertaining to species that are significantly smaller than typical or average for their kind.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Always look but don't touch plants unless you know they are safe.

## Frequently Asked Questions

### How to identify Crescent-cup liverwort?

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 Crescent-cup liverwort?

0.5-2 cm

### How wide does Crescent-cup liverwort spread?

1-5 cm

### Is Crescent-cup liverwort edible?

No

### Is Crescent-cup liverwort toxic?

None

### What is Crescent-cup liverwort's lifecycle?

Perennial

### How is Crescent-cup liverwort pollinated?

Water

### Where is Crescent-cup liverwort usually found?

Forests

## Where to spot

- [Regional Parks Botanic Garden](https://www.snappit.app/guides/places/regional-parks-botanic-garden) — California, US · Botanical Garden
- [El Sereno Open Space](https://www.snappit.app/guides/places/el-sereno-open-space) — California, US · Park
- [Martha Springer Botanical Garden](https://www.snappit.app/guides/places/martha-springer-botanical-garden) — Oregon, US · Botanical Garden
- [Nitobe Memorial Garden](https://www.snappit.app/guides/places/nitobe-memorial-garden) — British Columbia, CA · Botanical Garden
- [Portland Aquarium](https://www.snappit.app/guides/places/portland-aquarium) — Oregon, US · Zoo
- [Fairview Park](https://www.snappit.app/guides/places/fairview-park) — California, US · Park

[View all places to see Crescent-cup liverwort](https://www.snappit.app/guides/where-to-see/crescent-cup-liverwort)

## 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: [Crescent-cup liverwort: Facts & Places to See — Snappit](https://www.snappit.app/explore/crescent-cup-liverwort)
