Cellar Cup vs Common Silver Hairgrass

Peziza cerea compared with Aira caryophyllea

Key Differences

Cellar Cup is Not Evaluated while Common Silver Hairgrass is Endangered.

Taxonomic Classification

Rank	Cellar Cup	Common Silver Hairgrass
Kingdom	Fungi (فطر)	Plantae (نباتات)
Phylum	Ascomycota (فطريات زقية)	Magnoliophyta (كاسيات البذور)
Class	Pezizomycetes (فنجانيانية)	Liliopsida (زنبقانية)
Order	Pezizales (فنجانيات)	Poales (قبئيات)
Family	Pezizaceae	Poaceae (Grass Family)
Genus	Peziza	Aira
Species	Peziza cerea	Aira caryophyllea

Conservation Status

Cellar Cup

NE — Not Evaluated

Common Silver Hairgrass

EN — Endangered

Physical Characteristics

Attribute	Cellar Cup	Common Silver Hairgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cellar Cup

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium and Norway.

Common Silver Hairgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Cameroon), Asia (Japan, South Korea), Europe (6 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (4 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cellar Cup

The Cellar Cup (Peziza cerea) is a species in the genus Peziza. Distributed across Belgium and Norway.

Common Silver Hairgrass

<em>Aira caryophyllea</em>, commonly known as Common Silver Hairgrass, is a slender annual grass belonging to the family Poaceae within the order Poales. This delicate grass is currently classified as Endangered on the IUCN Red List, reflecting significant conservation concern despite its historically broad distribution. It is typically found across a remarkable diversity of biome types, including tropical and subtropical moist broadleaf forests, grasslands, savannas, and flooded habitats, demonstrating notable ecological versatility. Its geographic range spans multiple continents, with documented populations in Africa (Cameroon), Asia (Japan, South Korea), Europe, North America, Australia, and South America. As an annual grass, it completes its life cycle within a single growing season, reproducing via wind-dispersed seeds. The inflorescence typically bears silvery, shimmering spikelets that give the species its common name. Biological traits such as average lifespan, body dimensions, and dietary specifics follow typical patterns for annual grasses — drawing nutrients from soil through root absorption rather than consuming other organisms. The endangered status suggests populations may be declining due to habitat loss, land-use change, or invasive species pressure across parts of its range.