Alternating Dog Lichen vs Frog Pelt Lichen

Peltigera didactyla compared with Peltigera degenii

Key Differences

• Alternating Dog Lichen is Least Concern while Frog Pelt Lichen is Critically Endangered.

Taxonomic Classification

Rank	Alternating Dog Lichen	Frog Pelt Lichen
Kingdom same	Fungi (เห็ดรา)	Fungi (เห็ดรา)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Peltigerales (Peltigerales)	Peltigerales (Peltigerales)
Family same	Peltigeraceae	Peltigeraceae
Genus same	Peltigera	Peltigera
Species	Peltigera didactyla	Peltigera degenii

Evolutionary Relationship

Alternating Dog Lichen and Frog Pelt Lichen share a common ancestor at the Genus level: Peltigera.

Conservation Status

Alternating Dog Lichen

LC — Least Concern

Frog Pelt Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Alternating Dog Lichen	Frog Pelt Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alternating Dog Lichen

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

Frog Pelt Lichen

Habitat

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

Range

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

Alternating Dog Lichen

The Alternating Dog Lichen (Peltigera didactyla) is a species in the genus Peltigera. It is currently classified as Least Concern on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 5 countries:

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