Flat Green Feather Algae vs Fly Agaric

Caulerpa mexicana compared with Amanita muscaria

Key Differences

Flat Green Feather Algae is Not Evaluated while Fly Agaric is Least Concern.

Taxonomic Classification

Rank	Flat Green Feather Algae	Fly Agaric
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Chlorophyta (Chlorophyta)	Basidiomycota (Club Fungi)
Class	Ulvophyceae (Ulvophyceae)	Agaricomycetes (Mushrooms)
Order	Bryopsidales (Bryopsidales)	Agaricales (Gilled Mushrooms)
Family	Caulerpaceae	Agaricaceae (Agarics)
Genus	Caulerpa	Amanita (Amanitas)
Species	Caulerpa mexicana	Amanita muscaria

Conservation Status

Flat Green Feather Algae

NE — Not Evaluated

Fly Agaric

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Flat Green Feather Algae	Fly Agaric
Diet	—	Decomposer
Average Lifespan	—	1 years
Average Length	—	20 cm
Average Weight	—	100 g

Habitat & Geographic Range

Flat Green Feather Algae

Habitat

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

Range

Distributed across Brazil, Israel, and Lebanon.

Fly Agaric

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), Oceania and the Pacific (New Zealand), and South America (Brazil, Chile, Colombia).

Among the most iconic and recognizable fungi on Earth, fly agaric mushrooms display striking red caps with white flecked warts across boreal forests of the Northern Hemisphere. Despite their fairy-tale appearance, they contain potent psychoactive compounds including muscimol and ibotenic acid and are moderately toxic. They form critical mycorrhizal symbioses with birch, pine, and spruce trees, exchanging mineral nutrients for carbon and playing essential roles in boreal forest nutrient cycling.