Spiny Threadwort vs spreading threadwort

Cephaloziella spinigera compared with Cephaloziella divaricata

Key Differences

• Spiny Threadwort is Least Concern while spreading threadwort is Endangered.

Taxonomic Classification

Rank	Spiny Threadwort	spreading threadwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Marchantiophyta (liverwort)	Marchantiophyta (liverwort)
Class same	Jungermanniopsida (Jungermanniopsida)	Jungermanniopsida (Jungermanniopsida)
Order same	Jungermanniales (Jungermanniales)	Jungermanniales (Jungermanniales)
Family same	Cephaloziellaceae	Cephaloziellaceae
Genus same	Cephaloziella	Cephaloziella
Species	Cephaloziella spinigera	Cephaloziella divaricata

Evolutionary Relationship

Spiny Threadwort and spreading threadwort share a common ancestor at the Genus level: Cephaloziella.

Conservation Status

Spiny Threadwort

LC — Least Concern

spreading threadwort

EN — Endangered

Physical Characteristics

Attribute	Spiny Threadwort	spreading threadwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Spiny Threadwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

spreading threadwort

Habitat

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

Range

Widely distributed across Europe (5 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden