Caesar's Amanita vs Mourning Cloak

Amanita caesarea compared with Nymphalis antiopa

Key Differences

Caesar's Amanita is Least Concern while Mourning Cloak is Critically Endangered.

Taxonomic Classification

Rank	Caesar's Amanita	Mourning Cloak
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Agaricales (Gilled Mushrooms)	Lepidoptera (Butterflies & Moths)
Family	Agaricaceae (Agarics)	Nymphalidae (Brush-footed Butterflies)
Genus	Amanita (Amanitas)	Nymphalis
Species	Amanita caesarea	Nymphalis antiopa

Conservation Status

Caesar's Amanita

LC — Least Concern

Mourning Cloak

CR — Critically Endangered

Physical Characteristics

Attribute	Caesar's Amanita	Mourning Cloak
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caesar's Amanita

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Taiwan, and United States.

Mourning Cloak

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries) and North America (Canada, United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Caesar's Amanita

The Caesar's Amanita (Amanita caesarea) is a species in the genus Amanita. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Mourning Cloak

Mourning Cloak (Nymphalis antiopa) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.