Frosted Rock Tripe vs small tortoiseshell

Umbilicaria americana compared with Aglais urticae

Key Differences

Frosted Rock Tripe is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Frosted Rock Tripe	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Lecanoromycetes (Lecanoromycetes)	Insecta (Insects)
Order	Umbilicariales (Umbilicariales)	Lepidoptera (Butterflies & Moths)
Family	Umbilicariaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Umbilicaria	Aglais
Species	Umbilicaria americana	Aglais urticae

Conservation Status

Frosted Rock Tripe

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Frosted Rock Tripe	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Frosted Rock Tripe

Habitat

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

Range

Distributed across Norway and United States.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.