Common Fieldcap vs

Agrocybe pediades compared with Urocystis agropyri

Key Differences

• Common Fieldcap is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Common Fieldcap
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Basidiomycota (Club Fungi)	Basidiomycota (Club Fungi)
Class	Agaricomycetes (Mushrooms)	Ustilaginomycetes (Ustilaginomycetes)
Order	Agaricales (Gilled Mushrooms)	Urocystidales (Urocystidales)
Family	Strophariaceae	Urocystidaceae
Genus	Agrocybe	Urocystis
Species	Agrocybe pediades	Urocystis agropyri

Evolutionary Relationship

Common Fieldcap and share a common ancestor at the Phylum level: Basidiomycota. (Club Fungi)

Conservation Status

Common Fieldcap

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Common Fieldcap

Habitat

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

Range

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

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (6 countries).

Common Fieldcap

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.

Urocystis agropyri is a smut fungus in the order Urocystidales, causing flag smut disease in wheat and related grasses, recognized as an economically damaging pathogen of cereal crops globally. The fungus infects wheat (Triticum aestivum) and other gramineous hosts including Agropyron species, penetrating seedling tissues systemically and eventually producing dark, sooty spore masses (sori) on flag leaves and stems, which rupture to release teliospores and dramatically reduce grain yield. Infected plants often show characteristic streaking and shredding of leaf tissue before spore release. Urocystis agropyri survives in soil and on seed surfaces, making seed-borne transmission a primary infection route. Historic outbreaks devastated wheat harvests before the widespread adoption of seed treatment fungicides and the development of resistant cultivars. Modern control relies on certified disease-free seed, seed dressing with systemic fungicides, and cultivation of resistant varieties. The pathogen remains a concern in regions where resistant varieties are not widely deployed or where fungicide resistance may emerge. Its distribution mirrors global wheat cultivation zones across temperate regions of Europe, Asia, North America, and Australia.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden