Black Knot vs common greasewort

Apiosporina morbosa compared with Aneura pinguis

Key Differences

Black Knot is Not Evaluated while common greasewort is Least Concern.

Taxonomic Classification

Rank	Black Knot	common greasewort
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Marchantiophyta (liverwort)
Class	Dothideomycetes (Dothideomycetes)	Jungermanniopsida (Jungermanniopsida)
Order	Venturiales (Venturiales)	Metzgeriales (Metzgeriales)
Family	Venturiaceae	Aneuraceae
Genus	Apiosporina	Aneura
Species	Apiosporina morbosa	Aneura pinguis

Conservation Status

Black Knot

NE — Not Evaluated

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Black Knot	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Knot

Habitat

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

Range

Distributed across Denmark, Norway, and United States.

common greasewort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil, Colombia).

Black Knot

The Black Knot (Apiosporina morbosa) is a species in the genus Apiosporina. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Its geographic range spans Distributed across Denmark, Norway, and United States.

common greasewort

<em>Aneura pinguis</em>, commonly known as common greasewort, is a liverwort belonging to the genus Aneura within the family Aneuraceae. This cryptogamic plant inhabits ecosystems across Asia, Europe, and North America, thriving in moist or waterlogged environments. Its range encompasses Taiwan in Asia, six European countries, the United States in North America, and Brazil and Colombia in South America, indicating a broad geographic distribution across multiple continents. Common greasewort is assessed as Least Concern on the IUCN Red List. The species typically forms flat, ribbon-like thalli in damp habitats such as stream banks, wet rocks, and boggy ground. Biological traits of this species remain poorly documented in the scientific literature.