Black Maple vs cavernous crystalwort

Acer nigrum compared with Riccia cavernosa

Key Differences

Black Maple is Least Concern while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	Black Maple	cavernous crystalwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Magnoliopsida (Dicots)	Marchantiopsida (Marchantiopsida)
Order	Sapindales (Sapindales)	Marchantiales (Marchantiales)
Family	Sapindaceae	Ricciaceae
Genus	Acer	Riccia
Species	Acer nigrum	Riccia cavernosa

Evolutionary Relationship

Black Maple and cavernous crystalwort share a common ancestor at the Kingdom level: Plantae. (Plants)

View Kingdom: Plantae

Conservation Status

Black Maple

LC — Least Concern

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	Black Maple	cavernous crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Maple

Habitat

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

Range

Distributed across Canada and United States.

cavernous crystalwort

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Maple

The Black Maple (Acer nigrum) is a species in the genus Acer. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.