Grayish Button Lichen vs Indian Ocean humpback dolphin

Diplotomma alboatrum compared with Sousa plumbea

Key Differences

• Grayish Button Lichen is Least Concern while Indian Ocean humpback dolphin is Endangered.

Taxonomic Classification

Rank	Grayish Button Lichen	Indian Ocean humpback dolphin
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Caliciales (Caliciales)	Cetacea (Whales & Dolphins)
Family	Caliciaceae	Delphinidae (Oceanic Dolphins)
Genus	Diplotomma	Sousa
Species	Diplotomma alboatrum	Sousa plumbea

Conservation Status

Grayish Button Lichen

LC — Least Concern

Indian Ocean humpback dolphin

EN — Endangered

Physical Characteristics

Attribute	Grayish Button Lichen	Indian Ocean humpback dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.