Aquatic Pygmyweed vs Scilly Pigmyweed

Crassula aquatica compared with Crassula decumbens

Key Differences

• Aquatic Pygmyweed is Vulnerable while Scilly Pigmyweed is Not Evaluated.

Taxonomic Classification

Rank	Aquatic Pygmyweed	Scilly Pigmyweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Saxifragales (Saxifragales)	Saxifragales (Saxifragales)
Family same	Crassulaceae	Crassulaceae
Genus same	Crassula	Crassula
Species	Crassula aquatica	Crassula decumbens

Evolutionary Relationship

Aquatic Pygmyweed and Scilly Pigmyweed share a common ancestor at the Genus level: Crassula.

Conservation Status

Aquatic Pygmyweed

VU — Vulnerable

Scilly Pigmyweed

NE — Not Evaluated

Physical Characteristics

Attribute	Aquatic Pygmyweed	Scilly Pigmyweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aquatic Pygmyweed

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries) and North America (Canada, United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Scilly Pigmyweed

Habitat

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

Range

Distributed across Belgium, France, Netherlands, and United Kingdom.

Aquatic Pygmyweed

The Aquatic Pygmyweed (Crassula aquatica) is a species in the genus Crassula. It is currently classified as Vulnerable on the IUCN Red List. Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 1 countries:

🇫🇷 France