Common Stump Brittlestem vs オオタカ

Psathyrella piluliformis compared with Accipiter gentilis

Key Differences

• Common Stump Brittlestem is Least Concern while オオタカ is Near Threatened.

Taxonomic Classification

Rank	Common Stump Brittlestem	オオタカ
Kingdom	Fungi (菌界)	Animalia (動物)
Phylum	Basidiomycota (担子菌門)	Chordata (脊索動物)
Class	Agaricomycetes (真正担子菌綱)	Aves (鳥類)
Order	Agaricales (ハラタケ目)	Accipitriformes (タカ目)
Family	Psathyrellaceae	Accipitridae (Hawks & Eagles)
Genus	Psathyrella	Accipiter
Species	Psathyrella piluliformis	Accipiter gentilis

Conservation Status

Common Stump Brittlestem

LC — Least Concern

オオタカ

NT — Near Threatened

Physical Characteristics

Attribute	Common Stump Brittlestem	オオタカ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Stump Brittlestem

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil).

オオタカ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Stump Brittlestem

<em>Psathyrella piluliformis</em>, the common stump brittlestem, is a saprotrophic basidiomycete fungus in the family Psathyrellaceae, order Agaricales. It has a broad distribution across Asia, Europe, and the Americas, typically found growing in dense clusters on or near the stumps and buried roots of deciduous trees, particularly oaks and beeches, from autumn through to early winter. The fruitbodies are hygrophanous, changing colour dramatically depending on moisture content, ranging from pale buff when dry to a rich honey-brown when wet. <em>Psathyrella piluliformis</em> plays an important ecological role as a wood decomposer, facilitating the breakdown of lignin and cellulose and contributing to nutrient cycling in forest ecosystems. The fragile, brittle gills and thin-walled spores are characteristic of the genus. Biological traits including average mycelial lifespan, fruiting body dimensions under natural conditions, and specific substrate preferences remain poorly documented. The species is assessed as Least Concern by the IUCN, reflecting its wide distribution and apparent abundance across temperate woodland habitats in the Northern Hemisphere and beyond.

オオタカ

オオタカ（Accipiter gentilis）はIUCNレッドリストで準絶滅危惧（NT）に分類されています。保全措置なしには脆弱になる可能性があり、絶滅危惧に近い個体群として評価されています。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States