Brown oak slender vs Rock Foam

Acrocercops brongniardella compared with Stereocaulon saxatile

Key Differences

• Brown oak slender is Least Concern while Rock Foam is Near Threatened.

Taxonomic Classification

Rank	Brown oak slender	Rock Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Lecanoromycetes (Lecanoromycetes)
Order	Lepidoptera (Butterflies & Moths)	Lecanorales (Lecanorales)
Family	Gracillariidae	Stereocaulaceae
Genus	Acrocercops	Stereocaulon
Species	Acrocercops brongniardella	Stereocaulon saxatile

Conservation Status

Brown oak slender

LC — Least Concern

Rock Foam

NT — Near Threatened

Physical Characteristics

Attribute	Brown oak slender	Rock Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown oak slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 countries).

Rock Foam

Habitat

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

Range

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

Brown oak slender

The Brown Oak Slender (Acrocercops brongniardella) is a species in the genus Acrocercops. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden