Brown oak slender vs cavernous crystalwort

Acrocercops brongniardella compared with Riccia cavernosa

Key Differences

• Brown oak slender is Least Concern while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	Brown oak slender	cavernous crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Marchantiopsida (Marchantiopsida)
Order	Lepidoptera (Butterflies & Moths)	Marchantiales (Marchantiales)
Family	Gracillariidae	Ricciaceae
Genus	Acrocercops	Riccia
Species	Acrocercops brongniardella	Riccia cavernosa

Conservation Status

Brown oak slender

LC — Least Concern

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	Brown oak slender	cavernous crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown oak slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 countries).

cavernous crystalwort

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown oak slender

The Brown Oak Slender (Acrocercops brongniardella) is a species in the genus Acrocercops. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden