Brook Floater vs Browned Pixie-Cup Lichen

Alasmidonta varicosa compared with Cladonia cervicornis

Key Differences

Brook Floater is Vulnerable while Browned Pixie-Cup Lichen is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Browned Pixie-Cup Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Lecanoromycetes (Lecanoromycetes)
Order	Unionida (Unionida)	Lecanorales (Lecanorales)
Family	Unionidae	Cladoniaceae
Genus	Alasmidonta	Cladonia
Species	Alasmidonta varicosa	Cladonia cervicornis

Conservation Status

Brook Floater

VU — Vulnerable

Browned Pixie-Cup Lichen

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Browned Pixie-Cup Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

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

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Browned Pixie-Cup Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

Browned Pixie-Cup Lichen

The Browned Pixie-cup Lichen (Cladonia cervicornis) is a species in the genus Cladonia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.