# Lettuce Lichen (*lobaria oregana*)

Lettuce Lichen is a bright green, leafy lichen that looks a bit like lettuce! It grows on trees and rocks, adding a splash of color to the forest floor.

- **Category:** [Fungi](https://www.snappit.app/explore/categories/fungi)
- **Rarity:** Common
- **Danger:** 0/5 · No known danger
- **Snaps:** 6
- **Habitat:** It lives in moist and shaded forests, often on tree trunks and rocks.
- **Also known as:** Green Lichen, Leafy Lichen, Lobaria

![Lettuce Lichen](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Lettucelichen.jpg&width=800)

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

## Appearance

The Lettuce Lichen is a large, leafy lichen with crinkled, lettuce-like lobes. It appears bright green to greenish-gray when wet, turning a duller gray or brownish when dry. Its intricate, ruffled surface makes it visually distinctive from flatter lichens.

## Taxonomy

- **Kingdom:** Fungi
- **Phylum:** Ascomycota
- **Class:** Lecanoromycetes
- **Order:** Peltigerales
- **Family:** Lobariaceae
- **Genus:** Lobaria

## Interesting facts

- A large piece of Lettuce Lichen can be older than your grandparents!
- It can survive losing almost all its water, then spring back to life after rain!
- It's not a plant or a fungus, but an amazing partnership between both!
- Some parts of this lichen can glow faintly under ultraviolet light!

## Special abilities

- **Air Filter Power:** Lettuce Lichen can absorb nutrients and pollutants directly from the air, helping it survive and indicating air quality.
- **Water Collector:** Lettuce Lichen can rapidly soak up and hold moisture from rain or fog, crucial for surviving dry periods.
- **Teamwork Life:** Lettuce Lichen is a super team of fungus and alga, letting them thrive where neither could alone.
- **Slow Motion Growth:** Lettuce Lichen grows extremely slowly, living for decades or centuries by patiently adapting.

## Measurements & details

- **Height:** 1-5 cm
- **Spread:** 10-30 cm
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial

## Ecological connections

- **Eaten by:** [Mule Deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — Deer browse on this lichen, especially in winter.
- **Eaten by:** [Elk](https://www.snappit.app/explore/elk) (*Cervus canadensis*) — Elk graze on hanging lichens when other forage is scarce.
- **Eats:** [Black Slug](https://www.snappit.app/explore/black-slug) (*Arion ater*) — Slugs slowly munch on the soft, hydrated lichen tissues.

## Traits

- [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [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.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.

## Collections

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

## Safety

**Danger:** 0/5 · No known danger

No special safety notes yet.

## Frequently Asked Questions

### How to identify Lettuce Lichen?

Compare the cap shape, the underside, the stem and base, and whether the fungus grows on wood or soil. Some fungi have gills, others pores or teeth. A cap seen only from above often hides the most useful features. Mushroom Identifier: upload a photo and compare the visible details.

### How tall is Lettuce Lichen?

1-5 cm

### How wide does Lettuce Lichen spread?

10-30 cm

### Is Lettuce Lichen edible?

No

### Is Lettuce Lichen toxic?

None

### What is Lettuce Lichen's lifecycle?

Perennial

### Where is Lettuce Lichen usually found?

It lives in moist and shaded forests, often on tree trunks and rocks.

## Where to spot

- [Sitka National Historical Park](https://www.snappit.app/guides/places/sitka-national-historical-park) — US · National Park
- [Hoh Rainforest](https://www.snappit.app/guides/places/hoh-rainforest) — Washington, US · Nature Reserve
- [Nisqually Entrance Historic District](https://www.snappit.app/guides/places/nisqually-entrance-historic-district) — Washington, US · Historic District
- [Paradise Historic District](https://www.snappit.app/guides/places/paradise-historic-district) — Washington, US · Historic District
- [Stamp River Provincial Park](https://www.snappit.app/guides/places/stamp-river-provincial-park) — British Columbia, CA · State Park

[View all places to see Lettuce Lichen](https://www.snappit.app/guides/where-to-see/lettuce-lichen)

## More Fungi

- [Field Mushroom](https://www.snappit.app/explore/field-mushroom) (*Agaricus*)
- [Button Mushroom](https://www.snappit.app/explore/button-mushroom) (*Agaricus*)
- [Portobello Mushroom](https://www.snappit.app/explore/portobello-mushroom) (*Agaricus*)
- [Shiitake](https://www.snappit.app/explore/shiitake) (*Lentinula*)

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Source: [Lettuce Lichen: Facts & Places to See — Snappit](https://www.snappit.app/explore/lettuce-lichen)