Bitter Scalewort vs Black Bent

Porella arboris-vitae compared with Agrostis gigantea

Key Differences

• Bitter Scalewort is Vulnerable while Black Bent is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	Black Bent
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Jungermanniopsida (Jungermanniopsida)	Liliopsida (Monocots)
Order	Porellales (Porellales)	Poales (Grasses)
Family	Porellaceae	Poaceae (Grass Family)
Genus	Porella	Agrostis
Species	Porella arboris-vitae	Agrostis gigantea

Evolutionary Relationship

Bitter Scalewort and Black Bent share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Bitter Scalewort

VU — Vulnerable

Black Bent

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	Black Bent
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Scalewort

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Bent

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (11 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (5 countries).

Bitter Scalewort

The Bitter Scalewort (Porella arboris-vitae) is a species in the genus Porella. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Black Bent

The Black Bent (Agrostis gigantea) is a species in the genus Agrostis. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden