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Mucor mucedo

common pinmould

Mucor mucedo — 2026-07-12
Scientific identification
Mucor mucedo Fresen.
Family
Mucoraceae
Class
Mucoromycetes
Genus
Mucor

Names across languages

  • English: common pinmould
  • German: Gemeiner Köpfchenschimmel
  • Estonian: Harilik nutthallik
  • Russian: Мукор обыкновенный

The scientific profile

From the latest record: 2026-07-12.

Sporangia

Terminal, globose, non-apophysate; white to yellowish when immature, becoming grey-brown to dark grey at maturity; borne on tall, erect sporangiophores with prominent columellae

Colony

Rapidly growing, cottony to fluffy, initially white, later grey

Description

Spore mass Grey-brown to dark grey or nearly black at maturity

Ecology

Saprobic on soil, dung, compost, decaying plant matter, stored grain, fruit and other moist organic substrates; widespread and often appearing under cool, humid conditions

Edibility

Inedible microscopic mould

Fruit body

Microscopic mould colony, often growing several centimetres high

Dimensions

Sporangia generally ~60–300 µm

Microscopy

Hyphae broad, coenocytic or sparsely septate; sporangiophores tall, simple or occasionally branched, lacking basal rhizoids; sporangia globose with a prominent columella and residual collarette; sporangiospores smooth, globose to slightly elongated, approximately 4–8 µm; heterothallic, producing dark, thick-walled, ornamented zygospores when compatible mating types meet

Overview

Common fast-growing pin mould forming tall white cottony colonies that darken as spherical grey-black sporangia mature

1850). Beitr. Mykol. 1: 7.

Field encounters

12/Jul/2026, 8:30 AM

Tivoli elurajoon, Tallinn, Harju, Eesti

Urban buildings, Oaks park, on dog feces

59°26'30.7"N 24°46'60.0"E

🌡️ 21°C 🌤️ Passing clouds 💨 Wind 40° NE->SW, 9 km/h

Original Instagram post

Source hashtags

#mucormucedo #mushroomphotos #fungi #macro #naturephotography #hongos #morchellaesculenta #morchella #yellowmorel #ümarmürkel #mürkel #pallohuhtasieni #speisemorchel #morchel #mushroomphoto #fungiphoto #fungimacro #seenefotod #pilzefotografieren #фотогрибов #sieniäkuvia #houby #mycology #fungistudy #mushroom #ascomycete #morel #pezizales #pilze

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