Catkin Yew vs

Amentotaxus argotaenia compared with Comatricha nigra

Key Differences

• Catkin Yew is Near Threatened while is Not Evaluated.

Taxonomic Classification

Rank	Catkin Yew
Kingdom	Plantae (Plants)	Protozoa (protozoa)
Phylum	Coniferophyta (Conifers)	Mycetozoa
Class	Pinopsida (Conifers)	Myxomycetes (Myxomycetes)
Order	Pinales (Pines & Allies)	Stemonitidales
Family	Taxaceae	Stemonitidaceae
Genus	Amentotaxus	Comatricha
Species	Amentotaxus argotaenia	Comatricha nigra

Conservation Status

Catkin Yew

NT — Near Threatened

NE — Not Evaluated

Physical Characteristics

Attribute	Catkin Yew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Catkin Yew

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Belgium, Norway, Sweden), North America (United States), and South America (Brazil).

Catkin Yew

The Catkin Yew (Amentotaxus argotaenia) is a species in the genus Amentotaxus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in temperate and boreal forests, often at higher elevations.

<em>Comatricha nigra</em> is among the more widely distributed species in the genus <em>Comatricha</em>, with documented records from Asia, Europe, North America, and South America. It belongs to the class Myxomycetes, order Stemonitidales, and is recognized by its dark, stalked sporangia with a distinctive capillitium. The species grows on decaying wood, bark, and moist plant debris in forest habitats across its broad geographic range. As with all plasmodial slime molds, <em>C. nigra</em> undergoes a life cycle that includes a motile plasmodial feeding stage and a reproductive sporangial stage. The feeding plasmodium consumes bacteria, fungal spores, and organic particles, playing a role in nutrient cycling and decomposition. The global distribution of <em>C. nigra</em> reflects the capacity of slime mold spores to disperse over long distances via wind currents. No quantitative biological metrics are recorded, and the species has not been assessed by the IUCN.