Andersson's arctic moss vs Common Houseleek

Arctoa anderssonii compared with Sempervivum tectorum

Key Differences

• Andersson's arctic moss is Endangered while Common Houseleek is Least Concern.

Taxonomic Classification

Rank	Andersson's arctic moss	Common Houseleek
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Bryophyta	Magnoliophyta (Flowering Plants)
Class	Bryopsida (Bryopsida)	Magnoliopsida (Dicots)
Order	Dicranales (Dicranales)	Saxifragales (Saxifragales)
Family	Rhabdoweisiaceae	Crassulaceae
Genus	Arctoa	Sempervivum
Species	Arctoa anderssonii	Sempervivum tectorum

Evolutionary Relationship

Andersson's arctic moss and Common Houseleek share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Andersson's arctic moss

EN — Endangered

Common Houseleek

LC — Least Concern

Physical Characteristics

Attribute	Andersson's arctic moss	Common Houseleek
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andersson's arctic moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Common Houseleek

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Taiwan), Europe (17 countries), and North America (Canada, United States).

Andersson's arctic moss

The Andersson's arctic moss (Arctoa anderssonii) is a species in the genus Arctoa. It is currently classified as Endangered on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Common Houseleek

<em>Sempervivum tectorum</em>, commonly known as the common houseleek or hen and chicks, is a succulent perennial in the family Crassulaceae. It is classified as Least Concern on the IUCN Red List, with a broad distribution spanning Asia (including Taiwan), 17 European countries, and North America. The species typically grows on rocky outcrops, old walls, rooftops, and dry, well-drained soils in temperate and montane environments. Adapted to harsh, nutrient-poor conditions, it has been cultivated for centuries as both an ornamental and a plant with traditional medicinal uses. Diet information for this species is not available in current records. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden