Common Pouchwort vs Nees pouchwort

Calypogeia fissa compared with Calypogeia neesiana

Key Differences

• Common Pouchwort is Vulnerable while Nees pouchwort is Least Concern.

Taxonomic Classification

Rank	Common Pouchwort	Nees pouchwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Marchantiophyta (liverwort)	Marchantiophyta (liverwort)
Class same	Jungermanniopsida (Jungermanniopsida)	Jungermanniopsida (Jungermanniopsida)
Order same	Jungermanniales (Jungermanniales)	Jungermanniales (Jungermanniales)
Family same	Calypogeiaceae	Calypogeiaceae
Genus same	Calypogeia	Calypogeia
Species	Calypogeia fissa	Calypogeia neesiana

Evolutionary Relationship

Common Pouchwort and Nees pouchwort share a common ancestor at the Genus level: Calypogeia.

Conservation Status

Common Pouchwort

VU — Vulnerable

Nees pouchwort

LC — Least Concern

Physical Characteristics

Attribute	Common Pouchwort	Nees pouchwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Pouchwort

Habitat

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

Range

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

Nees pouchwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States).

Common Pouchwort

The Common Pouchwort, <em>Calypogeia fissa</em>, is a liverwort in the family Calypogeiaceae, a group of non-vascular plants within the division Marchantiophyta. It is a leafy liverwort characterized by its creeping, pale green to yellowish shoots bearing overlapping, asymmetric leaves arranged in two lateral rows and a row of smaller underleaves. The species is typically found growing on moist, acidic soil, rotting wood, and shaded banks in temperate forests and moorlands. Its geographic range encompasses Asia, Europe, and North America, where it occupies humid woodland habitats and montane environments with stable moisture regimes. <em>Calypogeia fissa</em> reproduces both sexually via spores and vegetatively through gemmae, which are small propagules produced in specialized cups at shoot tips. As a bryophyte, it lacks true roots, stems, and leaves in the vascular sense, absorbing water and nutrients directly through its surface. The species is assessed as Vulnerable on the IUCN Red List, reflecting concerns about habitat loss and the degradation of moist woodland environments across parts of its range. Biological traits such as average lifespan, body size, and specific dietary preferences remain poorly documented for this species.

Shared Countries

Both species can be found in 6 countries:

🇱🇺 Luxembourg 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States