American Rosette Lichen vs Halbkugeliger Ackerling

Physcia americana compared with Agrocybe pediades

Key Differences

• American Rosette Lichen is Not Evaluated while Halbkugeliger Ackerling is Least Concern.

Taxonomic Classification

Rank	American Rosette Lichen	Halbkugeliger Ackerling
Kingdom same	Fungi (Pilze)	Fungi (Pilze)
Phylum	Ascomycota (Schlauchpilze)	Basidiomycota (Ständerpilze)
Class	Lecanoromycetes (Lecanoromycetes)	Agaricomycetes (Mushrooms)
Order	Caliciales (Caliciales)	Agaricales (Champignonartige)
Family	Physciaceae	Strophariaceae
Genus	Physcia	Agrocybe
Species	Physcia americana	Agrocybe pediades

Evolutionary Relationship

American Rosette Lichen and Halbkugeliger Ackerling share a common ancestor at the Kingdom level: Fungi. (Pilze)

Conservation Status

American Rosette Lichen

NE — Not Evaluated

Halbkugeliger Ackerling

LC — Least Concern

Physical Characteristics

Attribute	American Rosette Lichen	Halbkugeliger Ackerling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Rosette Lichen

Habitat

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

Range

Distributed across Norway and United States.

Halbkugeliger Ackerling

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

American Rosette Lichen

The American Rosette Lichen (Physcia americana) is a species in the genus Physcia. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Halbkugeliger Ackerling

The Common Fieldcap (<em>Agrocybe pediades</em>) is a saprotrophic fungus belonging to the genus Agrocybe within the family Strophariaceae. It typically produces small, tan to pale brown cap-shaped fruiting bodies and is often found growing in clusters or scattered on lawns, grassy areas, forest floors, decomposing wood, and soil-rich ecosystems. The species typically inhabits forest floors, decomposing wood, and soil ecosystems, obtaining nutrients by breaking down dead organic matter. Its geographic range includes several European countries — Belgium, Denmark, Norway, Portugal, and Sweden — as well as the United States in North America. <em>Agrocybe pediades</em> is assessed as Least Concern on the IUCN Red List, reflecting its broad distribution and apparent stability. Biological traits of this species, including specific data on fruiting body size, lifespan, and ecological preferences, remain poorly documented in the scientific literature. Like other members of its genus, it typically fruits during warmer months and often appears after rainfall in nutrient-rich grassland and woodland habitats.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States