Bladder Fern vs Brown Cobblestone Lichen

Cystopteris fragilis compared with Acarospora fuscata

Key Differences

• Bladder Fern is Not Evaluated while Brown Cobblestone Lichen is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Brown Cobblestone Lichen
Kingdom	Plantae (نباتات)	Fungi (فطر)
Phylum	Tracheophyta	Ascomycota (فطريات زقية)
Class	Polypodiopsida (سراخس رقيقة المباغ)	Lecanoromycetes (لقنورانية)
Order	Polypodiales (سرخسيات)	Acarosporales (Acarosporales)
Family	Cystopteridaceae	Acarosporaceae
Genus	Cystopteris	Acarospora
Species	Cystopteris fragilis	Acarospora fuscata

Conservation Status

Bladder Fern

NE — Not Evaluated

Brown Cobblestone Lichen

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Brown Cobblestone Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

Brown Cobblestone Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and United States.

Bladder Fern

The Bladder Fern (Cystopteris fragilis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

Brown Cobblestone Lichen

The Brown Cobblestone Lichen (Acarospora fuscata) is a species in the genus Acarospora. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇺🇸 United States