alpine leafy moss vs Coastal Flat-body

Plagiomnium medium compared with Agonopterix yeatiana

Key Differences

alpine leafy moss is Least Concern while Coastal Flat-body is Near Threatened.

Taxonomic Classification

Rank	alpine leafy moss	Coastal Flat-body
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Arthropoda (Arthropods)
Class	Bryopsida (Bryopsida)	Insecta (Insects)
Order	Bryales (Bryales)	Lepidoptera (Butterflies & Moths)
Family	Mniaceae	Depressariidae
Genus	Plagiomnium	Agonopterix
Species	Plagiomnium medium	Agonopterix yeatiana

Conservation Status

alpine leafy moss

LC — Least Concern

Coastal Flat-body

NT — Near Threatened

Physical Characteristics

Attribute	alpine leafy moss	Coastal Flat-body
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

alpine leafy moss

Habitat

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

Range

Distributed across Denmark, Luxembourg, Norway, Sweden, and United States.

Coastal Flat-body

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

alpine leafy moss

The Alpine leafy moss (Plagiomnium medium) is a species in the genus Plagiomnium. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Denmark, Luxembourg, Norway, Sweden, and United States.

Coastal Flat-body

Agonopterix yeatiana, the coastal flat-body, is a small moth in the family Depressariidae native to coastal and calcareous grassland habitats across western and northern Europe, with records from Belgium, Denmark, and Sweden. Moths in the family Depressariidae, commonly called flat-body moths due to the depressed posture they adopt when resting with wings held flat against the surface, are associated predominantly with umbellifer plants of the family Apiaceae as larval hosts. Agonopterix yeatiana larvae feed on wild carrot (Daucus carota), wild parsnip (Pastinaca sativa), and related coastal and grassland Apiaceae species, inhabiting the open, often calcareous or sandy habitats where these plants grow. Adult moths have greyish-brown forewing with a distinctive pattern of spots and dashes and reach approximately 8–12 millimeters in wingspan. The species is classified as Near Threatened by the IUCN, reflecting declines associated with the loss of traditional hay meadow management, coastal grassland degradation, and scrub encroachment that eliminates the open, flower-rich grassland habitats supporting its host plants. Agricultural intensification has reduced wild umbellifer populations significantly across lowland Europe, reducing food resources for larvae of specialist moths like A. yeatiana.