Common Water Clover vs Dwarf Water Clover

Marsilea quadrifolia compared with Marsilea minuta

Key Differences

• Common Water Clover is Not Evaluated while Dwarf Water Clover is Least Concern.

Taxonomic Classification

Rank	Common Water Clover	Dwarf Water Clover
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Tracheophyta	Tracheophyta
Class same	Polypodiopsida (Polypodiopsida)	Polypodiopsida (Polypodiopsida)
Order same	Salviniales (Salviniales)	Salviniales (Salviniales)
Family same	Marsileaceae	Marsileaceae
Genus same	Marsilea	Marsilea
Species	Marsilea quadrifolia	Marsilea minuta

Evolutionary Relationship

Common Water Clover and Dwarf Water Clover share a common ancestor at the Genus level: Marsilea.

Conservation Status

Common Water Clover

NE — Not Evaluated

Dwarf Water Clover

LC — Least Concern

Physical Characteristics

Attribute	Common Water Clover	Dwarf Water Clover
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Water Clover

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Asia (India, Vietnam), Europe (5 countries), and North America (Canada, United States).

Dwarf Water Clover

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and mangrove forests and coastal wetlands, among 4 distinct biome types spanning the Indomalayan and Palearctic realms.

Range

Widely distributed across Africa (Algeria, Comoros), Asia (Bhutan, Taiwan, Vietnam), North America (United States), and South America (Brazil).

Common Water Clover

<em>Marsilea quadrifolia</em>, commonly known as the common water clover or European waterclover, is an aquatic fern in the family Marsileaceae. Its conservation status is listed as Not Evaluated by the IUCN. The species has a broad native distribution spanning Asia and Europe, and has been introduced to North America, where it now occurs in scattered freshwater habitats. It typically grows in shallow ponds, rice paddies, slow-moving streams, and muddy lake margins, rooting in soft sediments while its four-leaflet fronds float on or emerge above the water surface. The distinctive four-lobed leaves strongly resemble a four-leaf clover, lending the plant its common name. <em>Marsilea quadrifolia</em> is a heterosporous fern, producing specialized reproductive structures called sporocarps that contain both megaspores and microspores, allowing reproduction under conditions unfavorable for vegetative growth. The plant is remarkably drought-tolerant, as sporocarps can remain viable for decades. It typically spreads through both vegetative rhizome growth and spore dispersal. Biological traits including average lifespan, height, and mass remain poorly documented in standardized databases. The species plays a role in shallow aquatic ecosystems as a colonizing plant, stabilizing soft substrates and providing microhabitat for invertebrates and small vertebrates in the temperate freshwater zones it inhabits.

Shared Countries

Both species can be found in 2 countries:

🇺🇸 United States 🇻🇳 Vietnam