Common Nut Truffle vs アメリカイソシギ

Hymenogaster vulgaris compared with Actitis macularius

Key Differences

• Common Nut Truffle is Data Deficient while アメリカイソシギ is Least Concern.

Taxonomic Classification

Rank	Common Nut Truffle	アメリカイソシギ
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)	Charadriiformes (チドリ目)
Family	Hymenogastraceae	Scolopacidae
Genus	Hymenogaster	Actitis
Species	Hymenogaster vulgaris	Actitis macularius

Conservation Status

Common Nut Truffle

DD — Data Deficient

アメリカイソシギ

LC — Least Concern

Physical Characteristics

Attribute	Common Nut Truffle	アメリカイソシギ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Nut Truffle

Habitat

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

Range

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

アメリカイソシギ

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Common Nut Truffle

<em>Hymenogaster vulgaris</em>, the common nut truffle, is a hypogeous (below-ground) fungus in the family Hymenogastraceae, order Agaricales. This sequestrate species produces enclosed, truffle-like fruiting bodies that mature underground and rely primarily on small mammals and invertebrates for spore dispersal, as the sporocarps never open to release spores aerially. <em>Hymenogaster vulgaris</em> typically forms ectomycorrhizal associations with hardwood tree species, particularly oaks and beeches, in temperate European forests. Its geographic range includes Denmark, Norway, Portugal, Sweden, and the United States, reflecting a somewhat scattered distribution across temperate zones. The species is currently assessed as Data Deficient by the IUCN, indicating that insufficient information exists to evaluate its conservation status, likely because hypogeous fungi are difficult to survey and their population trends are poorly known. Biological traits such as lifespan, body size, and diet remain poorly documented for this species. As an ectomycorrhizal fungus, <em>Hymenogaster vulgaris</em> plays a critical role in facilitating nutrient uptake in host trees and supporting forest health across its temperate range.

アメリカイソシギ

アメリカイソシギ（Actitis macularius）はIUCNレッドリストで軽度懸念（LC）に分類される。分布域全体に広く分布して個体数が豊富であり、個体群は安定していて即座の保全上の懸念はない。

Shared Countries

Both species can be found in 4 countries:

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