vs

Rhizocarpon richardii compared with Rhizocarpon viridiatrum

Key Differences

• is Least Concern while is Data Deficient.

Taxonomic Classification

Rank
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 richardii	Rhizocarpon viridiatrum

Evolutionary Relationship

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

Conservation Status

LC — Least Concern

DD — Data Deficient

Physical Characteristics

Attribute
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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 South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Colombia, Denmark, Norway, Portugal, and Sweden.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden