07/Mar/2026, 1:49 PM
Kadrioru park, Tallinn, Harju, Eesti
Urban park, under old Alder trees, on catkins, wet soil, melting snow
59°26'29.0"N 24°47'31.6"E
🌡️ 7°C ☀️ Cirrus clouds, sunny 💨 Wind 240° WSW->ENE, 13 km/h
Original Instagram postCiboria amentacea f. alba
Catkin cup (white form)
- Scientific identification
- Ciboria amentacea f. alba (Balb.) Fuckel
- Family
- Sclerotiniaceae
- Class
- Leotiomycetes
- Genus
- Ciboria
Names across languages
- English: Catkin cup (white form)
- German: Erlenkätzchen-Becherling
- Finnish: Norkkopikari
- Estonian: Lepa-urvaliudik
- Russian: Цибория сережчатая
The scientific profile
From the latest record: 2026-03-07.
Hymenium
Cup-shaped, often irregular, with a smooth or finely wrinkled inner surface. Typically orange to reddish-brown in color.
Cap
Cup-shaped, with a smooth or finely hairy surface. Colors vary from orange to brown.
Hymenium Attachment
Not applicable, as this species forms cup-shaped fruiting bodies.
Stipe
Absent or rudimentary, not distinct from the cap.
Spore print
Spore print white.
Description
Saprobic, commonly found on catkins (amenta) of various deciduous trees, particularly alders.
Edibility
Not typically considered edible.
Fruit body
Cup diameter ranges from 0.5-2 cm.
Microscopy
Spores are elliptical to oblong, smooth, 7-10 x 4-6 µm.
Odour
Not distinctive.
Overview
Characterized by its small cup-shaped fruiting bodies, often found on alder catkins in early spring. The cups may vary in color from orange to reddish-brown, and they contribute to the decomposition of organic matter.
1870). Jb. Nassau. Ver. Naturk. 23-24: 311 (’1869-70′).
Field encounters
Source hashtags
#hongos #ciboriaamentacea #ciboria #catkincup #lepaurvaliudik #sclerotiniaceae #norkkopikari #erlenkätzchenbecherling #leotiomycetes #mushroomphoto #fungiphoto #fungimacro #naturephotography #seenefotod #pilzefotografieren #фотогрибов #sieniäkuvia #houby #mycology #fungistudy #mushroom #fungi #ascomycete #fungioncatkin #cupfungi #pilze
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