Disc Mayweed vs Pacific Spiny-rat

Matricaria discoidea compared with Proechimys decumanus

Key Differences

• Disc Mayweed is Not Evaluated while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Disc Mayweed	Pacific Spiny-rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Asterales (Daisies & Sunflowers)	Rodentia (Rodents)
Family	Asteraceae (Daisy Family)	Echimyidae
Genus	Matricaria	Proechimys
Species	Matricaria discoidea	Proechimys decumanus

Conservation Status

Disc Mayweed

NE — Not Evaluated

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Disc Mayweed	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Disc Mayweed

Habitat

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

Range

Widely distributed across Asia (5 countries), Europe (33 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Argentina, Chile).

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.