Ammodile vs Cliff Scalewort

Ammodillus imbellis compared with Porella cordaeana

Key Differences

• Ammodile is Data Deficient while Cliff Scalewort is Least Concern.

Taxonomic Classification

Rank	Ammodile	Cliff Scalewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Jungermanniopsida (Jungermanniopsida)
Order	Rodentia (Rodents)	Porellales (Porellales)
Family	Muridae (Mice & Rats)	Porellaceae
Genus	Ammodillus	Porella
Species	Ammodillus imbellis	Porella cordaeana

Conservation Status

Ammodile

DD — Data Deficient

Cliff Scalewort

LC — Least Concern

Physical Characteristics

Attribute	Ammodile	Cliff Scalewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ammodile

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Cliff Scalewort

Habitat

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

Range

Found across Europe (6 countries) and North America (United States).

Ammodile

The Ammodile (Ammodillus imbellis) is a species in the genus Ammodillus. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.

Cliff Scalewort

Cliff Scalewort, Porella obtusata, is a leafy liverwort in the family Porellaceae found on cliff faces, shaded rock surfaces, and the bark of trees in moist, humid environments across Europe and North America. Porella is one of the most diverse and widely distributed leafy liverwort genera, with species adapted to a range of substrates from bark and rock to soil in forests and coastal habitats. Cliff Scalewort forms flat, overlapping mats of small, scale-like leaves arranged in two lateral rows and a row of smaller underleaves, creating a texture that gives the plant its common name. The green to brownish-green plants are tightly appressed to the surface, extracting moisture from rainfall and condensation. Liverworts in this family reproduce sexually when conditions are favorable, producing small capsules on delicate setae, as well as vegetatively through fragmentation. Porella species on cliff faces are sensitive to air pollution, particularly sulfur dioxide, and have declined in many industrial regions of Europe, recovering more recently as air quality has improved. They serve as indicators of habitat continuity and air quality in ecological assessments. Cliff Scalewort is not globally threatened but may be locally rare in heavily polluted or drought-prone areas.