Black-Veined White vs Brittle Bladderfern

Aporia crataegi compared with Cystopteris tenuis

Key Differences

• Black-Veined White is Endangered while Brittle Bladderfern is Not Evaluated.

Taxonomic Classification

Rank	Black-Veined White	Brittle Bladderfern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Tracheophyta
Class	Insecta (Insects)	Polypodiopsida (Polypodiopsida)
Order	Lepidoptera (Butterflies & Moths)	Polypodiales (Polypodiales)
Family	Pieridae	Cystopteridaceae
Genus	Aporia	Cystopteris
Species	Aporia crataegi	Cystopteris tenuis

Conservation Status

Black-Veined White

EN — Endangered

Brittle Bladderfern

NE — Not Evaluated

Physical Characteristics

Attribute	Black-Veined White	Brittle Bladderfern
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.

Brittle Bladderfern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Canada and United States.

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.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.