19/Oct/25, 4:48 PM
Soodla, Raudoja, Harjumaa, Eesti
Mixed forest, under pines, deep in moss, on organic remains
59°23'14.1"N 25°23'34.5"E
🌡️ 8°C 🌥️ Partly sunny 💨 Wind 200° SSW->NNE, 9 km/h
Original Instagram postStropharia caerulea
blue roundhead
- Scientific identification
- Stropharia caerulea Kreisel
- Family
- Strophariaceae
- Class
- Agaricomycetes
- Genus
- Stropharia
Names across languages
- English: blue roundhead
- German: Grünblauer Träuschling
- Finnish: Tarhakaulussieni
- Estonian: Tsüaanvärvik
- Russian: Строфария небесно-синяя
The scientific profile
From the latest record: 2025-10-19.
Hymenium
Gills, crowded and initially pale purplish-brown, maturing to deeper brown as spores develop
Cap
Conical to convex when young, then broadly convex to flat, surface greenish-blue to blue-green when fresh, often sticky/glutinous, with white veil-flecks around the margin
Hymenium Attachment
Adnate to sinuate
Stipe
Cylindrical, pale above the ring zone, green-bluish below; faint ring zone, lower stem with white-scaly fibres.
Spore print
Spore print purple-brown-black
Description
Saprobic, in meadows, roadsides, gardens, and woodchip mulch, on alkaline and humus-rich soils, July to November
Description
Unknown, possible gastric upset
Fruit body
Fruit body medium, stem ~5–12 cm tall
Dimensions
Cap ∅ 2–8 cm
Flesh
Flesh pale bluish-tinged, unchanging when cut
Chemical reactions
No reagent reaction
Odour
Faint mushroomy
Taste
Indistinct
Microscopy
Spores ellipsoid to ovoid, smooth, ~ 8.0-9.0×4.0-5.5 µm, basidia broadly club-shaped, 4-sterigmate, ~ 24–40 × 7–12 µm
Overview
Distinctive bluish-green agaric found in nutrient-rich meadows, gardens and mulch
1979). Beih. Sydowia 8: 229.
Field encounters
Source hashtags
#hongos #strophariacaerulea #stropharia #blueroundhead #tsüaanvärvik #värvik #tarhakaulussieni #grünblauerträuschling #träuschling #mushroomphoto #fungiphoto #fungimacro #naturephotography #seenefotod #pilzefotografieren #фотогрибов #sieniäkuvia #houby #mycology #fungistudy #mushroom #fungi #roundheads #strophariaceae #pilze
Back to the collection · Photography and field notes by @fungarium.info