bog rush vs Common Fieldcap

Juncus stygius compared with Agrocybe pediades

Taxonomic Classification

Rank	bog rush	Common Fieldcap
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Liliopsida (Monocots)	Agaricomycetes (Mushrooms)
Order	Poales (Grasses)	Agaricales (Gilled Mushrooms)
Family	Juncaceae	Strophariaceae
Genus	Juncus	Agrocybe
Species	Juncus stygius	Agrocybe pediades

Conservation Status

bog rush

LC — Least Concern

Common Fieldcap

LC — Least Concern

Physical Characteristics

Attribute	bog rush	Common Fieldcap
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bog rush

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Finland, Norway, and Sweden.

Common Fieldcap

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Found across Europe (5 countries) and North America (United States).

bog rush

The bog rush (Juncus stygius) is a species in the genus Juncus. It is currently classified as Least Concern on the IUCN Red List. Distributed across Finland, Norway, and Sweden.

The Common Fieldcap (<em>Agrocybe pediades</em>) is a saprotrophic fungus belonging to the genus Agrocybe within the family Strophariaceae. It typically produces small, tan to pale brown cap-shaped fruiting bodies and is often found growing in clusters or scattered on lawns, grassy areas, forest floors, decomposing wood, and soil-rich ecosystems. The species typically inhabits forest floors, decomposing wood, and soil ecosystems, obtaining nutrients by breaking down dead organic matter. Its geographic range includes several European countries — Belgium, Denmark, Norway, Portugal, and Sweden — as well as the United States in North America. <em>Agrocybe pediades</em> is assessed as Least Concern on the IUCN Red List, reflecting its broad distribution and apparent stability. Biological traits of this species, including specific data on fruiting body size, lifespan, and ecological preferences, remain poorly documented in the scientific literature. Like other members of its genus, it typically fruits during warmer months and often appears after rainfall in nutrient-rich grassland and woodland habitats.