Polychrome Dot Lichen vs small tortoiseshell

Bacidia polychroa compared with Aglais urticae

Key Differences

Polychrome Dot Lichen is Extinct while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Polychrome Dot Lichen	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Lecanoromycetes (Lecanoromycetes)	Insecta (Insects)
Order	Lecanorales (Lecanorales)	Lepidoptera (Butterflies & Moths)
Family	Ramalinaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Bacidia	Aglais
Species	Bacidia polychroa	Aglais urticae

Conservation Status

Polychrome Dot Lichen

EX — Extinct

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Polychrome Dot Lichen	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Polychrome Dot Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, 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.