24/Aug/24, 6:28 PM
Kloostrimetsa, Tallinn, Harjumaa, Estonia
Pine wood, cemetery hedgerow, in pine needle remains
59°28'08.0"N 24°52'08.7"E
🔆 Evening sun, partial shaded open spot
Original Instagram postGeastrum fimbriatum
sessile earthstar
- Scientific identification
- Geastrum fimbriatum Fr.
- Family
- Geastraceae
- Class
- Agaricomycetes
- Genus
- Geastrum
Names across languages
- English: sessile earthstar
- German: Gewimperter Erdstern
- Finnish: Ripsimaatähti
- Estonian: Ripsmeline maatäht
- Russian: Звездовик бахромчатый
The scientific profile
From the latest record: 2024-08-24.
Hymenium
Internal, forming a gleba that is brownish and powdery at maturity, containing the spores
Cap
No distinct cap, fruiting body begins as a round, smooth, and pale tan to brownish peridium, splitting into star-like rays that curve downward, exposing the spore sac in the center
Hymenium Attachment
N/A
Stipe
Absent, the spore sac sits on a small, sessile base formed by the rays
Spore print
Spore Print brown
Ecology
Saprobic, grows in leaf litter, mossy areas, and nutrient-rich soils, often in deciduous or mixed forests, late summer to autumn
Edibility
Edibility inedible
Fruit body
Fruit Body small to medium, rays extend to 2–5 cm wide when fully open, spore sac 1–2 cm in diameter
Chemical reactions
No significant KOH reaction
Odour
Odour indistinct or slightly earthy
Taste
Taste indistinct
Microscopy
Spores globose, warted, brown, 3.5–5 µm in diameter, with a hyaline perisporium, basidia not well-developed
Overview
small earthstar fungus with a smooth, tan to brown outer peridium that splits into 5–10 pointed rays, forming a star shape
1829). Syst. Mycol. (Lundae) 3(1): 16.
Field encounters
03/Aug/24, 6:07 PM
Treppoja Cascade, Kloogaranna, Harjumaa, Estonia
In mixed forest, on mossy ground, near stumps of trees
59°21'06.3"N 24°15'59.8"E
🔆 Deep forest shade, sunny still weather, evening sun
Original Instagram postSource hashtags
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Back to the collection · Photography and field notes by @fungarium.info