Dwarf rockweed vs Flat Wrack

Fucus cottonii compared with Fucus spiralis

Key Differences

• Dwarf rockweed is Near Threatened while Flat Wrack is Least Concern.

Taxonomic Classification

Rank	Dwarf rockweed	Flat Wrack
Kingdom same	Chromista (色藻界)	Chromista (色藻界)
Phylum same	Ochrophyta (淡色藻门)	Ochrophyta (淡色藻门)
Class same	Phaeophyceae (褐藻纲)	Phaeophyceae (褐藻纲)
Order same	Fucales (墨角藻目)	Fucales (墨角藻目)
Family same	Fucaceae	Fucaceae
Genus same	Fucus	Fucus
Species	Fucus cottonii	Fucus spiralis

Evolutionary Relationship

Dwarf rockweed and Flat Wrack share a common ancestor at the Genus level: Fucus.

Conservation Status

Dwarf rockweed

NT — Near Threatened

Flat Wrack

LC — Least Concern

Physical Characteristics

Attribute	Dwarf rockweed	Flat Wrack
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf rockweed

Habitat

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

Range

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

Flat Wrack

Habitat

Found across multiple habitat types including temperate coniferous forests, montane grasslands and shrublands, and Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Africa (Morocco) and Europe (9 countries).

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway