Alligatorweed vs brittlestar

Alternanthera philoxeroides compared with Amphiura filiformis

Key Differences

• Alligatorweed is Not Evaluated while brittlestar is Least Concern.

Taxonomic Classification

Rank	Alligatorweed	brittlestar
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Echinodermata (Echinoderms)
Class	Magnoliopsida (Dicots)	Ophiuroidea (Ophiuroidea)
Order	Caryophyllales (Caryophyllales)	Amphilepidida (Amphilepidida)
Family	Amaranthaceae	Amphiuridae
Genus	Alternanthera	Amphiura
Species	Alternanthera philoxeroides	Amphiura filiformis

Conservation Status

Alligatorweed

NE — Not Evaluated

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Alligatorweed	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alligatorweed

Habitat

Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm.

Range

Widely distributed across Africa (Comoros, Madagascar), Asia (14 countries), Europe (9 countries), North America (Honduras, Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Alligatorweed

The Alligatorweed (Alternanthera philoxeroides) is a species in the genus Alternanthera. Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm.

brittlestar

The Brittlestar (Amphiura filiformis) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden