Brown Cobblestone Lichen vs Oak Mildew

Acarospora fuscata compared with Erysiphe alphitoides

Key Differences

• Brown Cobblestone Lichen is Least Concern while Oak Mildew is Not Evaluated.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Oak Mildew
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class	Lecanoromycetes (Lecanoromycetes)	Leotiomycetes (Leotiomycetes)
Order	Acarosporales (Acarosporales)	Helotiales (Helotiales)
Family	Acarosporaceae	Erysiphaceae
Genus	Acarospora	Erysiphe
Species	Acarospora fuscata	Erysiphe alphitoides

Evolutionary Relationship

Brown Cobblestone Lichen and Oak Mildew share a common ancestor at the Phylum level: Ascomycota. (Sac Fungi)

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Oak Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Oak Mildew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Oak Mildew

Habitat

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

Range

Found across Europe (6 countries) and North America (United States).

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