Big Map Lichen vs

Rhizocarpon grande compared with Rhizocarpon richardii

Taxonomic Classification

Rank	Big Map Lichen
Kingdom same	Fungi (Pilze)	Fungi (Pilze)
Phylum same	Ascomycota (Schlauchpilze)	Ascomycota (Schlauchpilze)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Rhizocarpales (Rhizocarpales)	Rhizocarpales (Rhizocarpales)
Family same	Rhizocarpaceae	Rhizocarpaceae
Genus same	Rhizocarpon	Rhizocarpon
Species	Rhizocarpon grande	Rhizocarpon richardii

Evolutionary Relationship

Big Map Lichen and share a common ancestor at the Genus level: Rhizocarpon.

Conservation Status

Big Map Lichen

LC — Least Concern

LC — Least Concern

Physical Characteristics

Attribute	Big Map Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Map Lichen

Habitat

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

Range

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

Habitat

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

Range

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

Big Map Lichen

The Big Map Lichen (Rhizocarpon grande) is a species in the genus Rhizocarpon. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Rhizocarpon richardii is a crustose lichen that forms tightly adhered patches on siliceous rocks, typically displaying a pale greenish-grey to yellowish thallus divided by a dark prothallus. It inhabits exposed rocky outcrops, cliff faces, and boulders in montane and alpine zones across Europe and beyond. This saxicolous species is highly sensitive to atmospheric pollution.

Shared Countries

Both species can be found in 4 countries:

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