Boulder Lichen vs small tortoiseshell

Porpidia tuberculosa compared with Aglais urticae

Key Differences

• Boulder Lichen is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Boulder Lichen	small tortoiseshell
Kingdom	Fungi (เห็ดรา)	Animalia (สัตว์)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (สัตว์ขาปล้อง)
Class	Lecanoromycetes (Lecanoromycetes)	Insecta (แมลง)
Order	Lecideales (Lecideales)	Lepidoptera (ผีเสื้อ)
Family	Lecideaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Porpidia	Aglais
Species	Porpidia tuberculosa	Aglais urticae

Conservation Status

Boulder Lichen

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Boulder Lichen	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boulder Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, 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.

Boulder Lichen

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

small tortoiseshell

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.

Shared Countries

Both species can be found in 4 countries:

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