Calamus vs Rock Foam

Acorus calamus compared with Stereocaulon saxatile

Key Differences

Calamus is Least Concern while Rock Foam is Near Threatened.

Taxonomic Classification

Rank	Calamus	Rock Foam
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Liliopsida (Monocots)	Lecanoromycetes (Lecanoromycetes)
Order	Acorales (Acorales)	Lecanorales (Lecanorales)
Family	Acoraceae	Stereocaulaceae
Genus	Acorus	Stereocaulon
Species	Acorus calamus	Stereocaulon saxatile

Conservation Status

Calamus

LC — Least Concern

Rock Foam

NT — Near Threatened

Physical Characteristics

Attribute	Calamus	Rock Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Calamus

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (30 countries), and North America (Canada, United States).

Rock Foam

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Calamus

The Calamus (Acorus calamus) is a species in the genus Acorus. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.