Green Spleenwort
ExplorePlants
Green Spleenwort
asplenium viride
The Green Spleenwort is a delicate, small, evergreen fern that thrives in the cool, damp microclimates of alpine and subalpine regions. Unlike many of its hardier relatives, this species has a strong preference for calcium-rich substrates, making it an excellent indicator of limestone or other alkaline rock formations. It forms neat, bright green tufts that peer out from rocky fissures, adding a touch of vibrant life to harsh, stony cliffsides.
Habitat: Typically found growing in moist, shaded crevices of calcareous or alkaline rocks, such as limestone, in montane and subalpine environments.
Appearance
This small fern features delicate fronds that typically grow between 5 and 15 centimeters in length. The key identifying feature is its bright green stalk (stipe and rachis) which remains green throughout its entire length, distinguishing it from other spleenworts with dark brown or black stalks. The fronds are once-pinnate, bearing small, oval to round leaflets (pinnae) with gently scalloped or toothed margins arranged alternately along the central stem.
KingdomPlantaePhylumTracheophytaClassPolypodiopsidaOrderPolypodialesFamilyAspleniaceaeGenusAsplenium
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
Because it strictly requires calcium-rich environments, finding this fern is a reliable indicator that the surrounding rock is limestone or dolomite.
Its microscopic spores are light enough to be carried by wind currents for hundreds of miles, allowing it to colonize isolated mountain ranges.
The species name 'viride' is Latin for 'green', referencing the bright green stem that distinguishes it from its dark-stemmed relatives.
Special abilities
Ability
Lithophytic Anchoring
It utilizes highly specialized, fibrous rhizomes that can penetrate and grip microscopic fissures in solid rock faces to secure anchorage and absorb moisture.
Ability
Alkaline Specialization
It possesses physiological adaptations that allow it to absorb nutrients efficiently in highly basic, calcium-rich soils that would stunt other plant species.
Ability
Desiccation Tolerance
During dry spells, the fronds can curl and reduce metabolic activity, quickly rehydrating and recovering when moisture returns.
Measurements & details
- Length
- 5-15 cm
- Lifespan
- 5-15 years
Diet & Feeding
As a photosynthetic autotroph, it produces its own energy using sunlight, water, and carbon dioxide, supplemented by minerals absorbed from damp rock crevices.
Primary Foods
- Sunlight
- Water
- Carbon Dioxide
- Calcium
- Magnesium
Foraging Method
- Photosynthesis
Ecological connections
competitor
Maidenhair Spleenwort
Asplenium trichomanes
Competes for limited space and resources in alkaline rocky crevices.
eaten by
Gray Field Slug
Deroceras reticulatum
Feeds on the delicate young fronds of the fern in damp microclimates.
Traits
No trait badges are assigned for this object yet.
Also known as
No aliases listed yet.
Collections
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Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How to identify Green Spleenwort?
The easiest way to identify Green Spleenwort is to use the Snappit nature identifier app.
How long is Green Spleenwort?
5-15 cm
How long does Green Spleenwort live?
5-15 years
What does Green Spleenwort eat?
As a photosynthetic autotroph, it produces its own energy using sunlight, water, and carbon dioxide, supplemented by minerals absorbed from damp rock crevices.
Where is Green Spleenwort usually found?
Typically found growing in moist, shaded crevices of calcareous or alkaline rocks, such as limestone, in montane and subalpine environments.
How does Green Spleenwort hunt?
Photosynthesis
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