vs Grayish Button Lichen

Diplotomma pharcidium compared with Diplotomma alboatrum

Key Differences

• is Endangered while Grayish Button Lichen is Least Concern.

Taxonomic Classification

Rank		Grayish Button Lichen
Kingdom same	Fungi (เห็ดรา)	Fungi (เห็ดรา)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Caliciales (Caliciales)	Caliciales (Caliciales)
Family same	Caliciaceae	Caliciaceae
Genus same	Diplotomma	Diplotomma
Species	Diplotomma pharcidium	Diplotomma alboatrum

Evolutionary Relationship

and Grayish Button Lichen share a common ancestor at the Genus level: Diplotomma.

Conservation Status

EN — Endangered

Grayish Button Lichen

LC — Least Concern

Physical Characteristics

Attribute		Grayish Button Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Grayish Button Lichen

Habitat

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

Range

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

Diplotomma pharcidium is a crustose lichen with a greyish thallus bearing dark, lecideine apothecia on calcareous bark and rock. It inhabits old calcareous rock faces and weathered limestone in temperate European environments. This lichen is sensitive to air pollution and is found primarily in areas with low nitrogen deposition.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden