Alpine Bladder-fern vs Fly Agaric

Cystopteris alpina compared with Amanita muscaria

Key Differences

Alpine Bladder-fern is Near Threatened while Fly Agaric is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Fly Agaric
Kingdom	Plantae (植物)	Fungi (菌界)
Phylum	Tracheophyta	Basidiomycota (担子菌門)
Class	Polypodiopsida (ウラボシ綱)	Agaricomycetes (真正担子菌綱)
Order	Polypodiales (ウラボシ目)	Agaricales (ハラタケ目)
Family	Cystopteridaceae	Agaricaceae (Agarics)
Genus	Cystopteris	Amanita (Amanitas)
Species	Cystopteris alpina	Amanita muscaria

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Fly Agaric

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Alpine Bladder-fern	Fly Agaric
Diet	—	Decomposer
Average Lifespan	—	1 years
Average Length	—	20 cm
Average Weight	—	100 g

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

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

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Fly Agaric

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), Oceania and the Pacific (New Zealand), and South America (Brazil, Chile, Colombia).

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Fly Agaric

ベニテングタケ（Amanita muscaria）は地球上で最も象徴的で広く知られる菌類であり、北半球の北方林全域に白いいぼのある鮮やかな赤い傘を広げる。童話のような外見とは裏腹に、ムシモールやイボテン酸などの強力な向精神性化合物を含み、中程度の毒性がある。シラカバ、マツ、トウヒと重要な外生菌根共生関係を形成し、無機栄養素と炭素を交換することで北方林の栄養循環に不可欠な役割を担っている。