Black-Veined White vs Smooth Map Lichen

Aporia crataegi compared with Rhizocarpon hochstetteri

Key Differences

• Black-Veined White is Endangered while Smooth Map Lichen is Vulnerable.

Taxonomic Classification

Rank	Black-Veined White	Smooth Map Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Lecanoromycetes (Lecanoromycetes)
Order	Lepidoptera (Butterflies & Moths)	Rhizocarpales (Rhizocarpales)
Family	Pieridae	Rhizocarpaceae
Genus	Aporia	Rhizocarpon
Species	Aporia crataegi	Rhizocarpon hochstetteri

Conservation Status

Black-Veined White

EN — Endangered

Smooth Map Lichen

VU — Vulnerable

Physical Characteristics

Attribute	Black-Veined White	Smooth Map Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Veined White

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 Asia (Cyprus) and Europe (39 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Smooth Map 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 Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-Veined White

Black-Veined White (Aporia crataegi) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 4 countries:

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