Autumn Snowflake vs Brook Stippleback Lichen

Acis autumnalis compared with Dermatocarpon luridum

Key Differences

Autumn Snowflake is Least Concern while Brook Stippleback Lichen is Critically Endangered.

Taxonomic Classification

Rank	Autumn Snowflake	Brook Stippleback Lichen
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Liliopsida (Monocots)	Eurotiomycetes (Eurotiomycetes)
Order	Asparagales (Asparagales)	Verrucariales (Verrucariales)
Family	Amaryllidaceae	Verrucariaceae
Genus	Acis	Dermatocarpon
Species	Acis autumnalis	Dermatocarpon luridum

Conservation Status

Autumn Snowflake

LC — Least Concern

Brook Stippleback Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Autumn Snowflake	Brook Stippleback Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Autumn Snowflake

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found in Norway.

Brook Stippleback Lichen

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Autumn Snowflake

The Autumn Snowflake (Acis autumnalis) is a species in the genus Acis. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Brook Stippleback Lichen

The Brook Stippleback Lichen (Dermatocarpon luridum) is a species in the genus Dermatocarpon. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.