ExplorePlants

Wall Screw-moss

Tortula muralis

Wall Screw-moss is a tiny green plant that loves to grow on walls and rocks. It looks like a soft carpet and helps keep the environment healthy by holding onto soil and water.

Habitat: Urban areas

Appearance

The Wall Screw-moss is a small plant forming dense, velvety mats. Its leaves are bright green when wet, but curl tightly and become duller when dry, giving them a distinctive screw-like appearance. It often grows in circular patches.

KingdomPlantaePhylumBryophytaClassBryopsidaOrderPottialesFamilyPottiaceaeGenusTortula
Wall Screw-moss
nonvascular trait badgedrought_tolerant trait badgesymbiotic trait badgedecomposer trait badge
Wall Screw-moss

Category

Plants

Rarity

Common

Danger

1/5 · Very low

Snaps

Be the first to snap!

Interesting facts

Its tiny spores can travel huge distances in the wind, helping it spread to new walls and roofs.

Mosses like this one are among the oldest land plants on Earth, evolving over 450 million years ago!

Some mosses can survive being frozen solid for years, then simply thaw out and start growing again!

Wall Screw-moss doesn't have true roots; it uses tiny rhizoids just to anchor itself, not to absorb water!

Special abilities

Ability

Water Wizardry

Wall Screw-moss can dry out completely and appear dead, only to rehydrate and revive when water becomes available.

Ability

Spore Slingers

Wall Screw-moss has a specialized capsule with twisted 'teeth' that help slowly release its tiny spores into the wind.

Ability

Rock Hugger

Wall Screw-moss can anchor itself to bare, hard surfaces like concrete and rock, thriving where other plants can't.

Measurements & details

Height
0.5-2 cm
Spread
2-5 cm
Edible
No
Toxicity
None
Lifecycle
Perennial
Pollination Method
Wind

Ecological connections

eats

Garden Snail

Cornu aspersum

Snails graze on the moss mats.

shelters

Common Springtail

Isotoma viridis

Tiny springtails find shelter and moisture within the moss cushions.

shelters

Water Bear

Macrobiotus hufelandi

Microscopic water bears live protected within the moss's damp environment.

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5 · Very low

It's safe to touch, but be gentle to protect the moss.

Frequently Asked Questions

How tall is Wall Screw-moss?

0.5-2 cm

How wide does Wall Screw-moss spread?

2-5 cm

Is Wall Screw-moss edible?

No

Is Wall Screw-moss toxic?

None

What is Wall Screw-moss's lifecycle?

Perennial

How is Wall Screw-moss pollinated?

Wind

Where is Wall Screw-moss usually found?

Urban areas

Snap Map

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